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Grineer

One of the three biggest factions in Warframe, and the first enemy faction that the Tenno will encounter.
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    Grineer in general 
https://static.tvtropes.org/pmwiki/pub/images/tv_tropes_grineer_faction_1430.jpg
Tenno SKOOM!
"Atusun Grineer! Tenno daryo no'ef! Gar argreogre'ef! Tu huscra'ef unsu natake no tosonias!"
Grineer Queens Regulator Message (glory to the Queens)

A brutally militarized race of warriors, the imperialistic Grineer depend on cloning for reproduction, and so are slowly dying out due to clone degeneration so severe that they need extensive cybernetics to even function. Motivated by a fascist ideology centered around their own supremacy and loyalty to their Twin Queens, they are determined to destroy the Tenno, the only ones with any hope to stop them.

They rely on their heavy armor, numbers, dakka-spewing rifles, and careful deployment of specialized units such as Heavy Gunners or Shield Bearers to match the Tenno in battle. Due to extensive organ failure and decay from cloning, many of the Grineer are cybernetically augmented to some degree.

According to the codex entries, the Grineer were originally created as miners and workers who eagerly served the Orokin. However, when the Orokin first fought the Infested and later the Sentients, the Grineer were repurposed as soldiers in pure desperation, with the modifications that made them able to fight as soldiers leading to them rebelling. When the Tenno finally defeated the Sentients and turned on the Orokin, the Grineer gained their freedom and became one of the dominant powers in the Origin System in the ensuing power vacuum.


  • Amazon Brigade: The Grineer have both men and women serve in the frontline military, but notably their space fighter pilots seem to be exclusively women.
  • Archaic Weapon for an Advanced Age: Despite their efficient construction techniques, cloning technology and cybernetics, the Grineer have never changed their desire for simple but effective ballistic weaponry. This may have been due to their repurposing as soldiers against the Sentients by the Orokin, as the Sentients were more vulnerable to primitive "zero-tech" weaponry compared to high-tech Orokin weapons.
  • Artificial Human: The vast majority - if not entirety - of Grineer personnel are vat-grown clones, born from a hidden toxic womb. Helps explain how their leaders keep coming back no matter how often you kill them, and how they have so many mooks to throw at you.
  • Attack Pattern Alpha: Grineer are fond of "Combat Formation Bravo", which apparently means "stand in front of the space ninjas and shoot at them".
  • Artificial Limbs: Most have them, as the average Grineer is so deformed they'd die without them.
  • The Beastmaster: It comes in flavors, such as the Hyekka Master and the Drahk Master.
  • Body Horror
    • The "tubemen" on Uranus give us a glimpse of how badly the Grineer can degenerate. Special mention go to the Dreg pilots, who look like little more than a head atop a giant cancerous bulbous mass.
    • The Ghouls are even worse - they're failed, malnourished or underdeveloped clones with every corner cut in favor of rapid gestation. They look horrifying. Also, their blood is not just toxic, but it acts as a neuro-paralytic agent, which is reflected by it affecting you with both Cold and Toxin procs if you get splattered with it in melee.
  • Catchphrase: "Glory to the Queens," "For the Queens," and "Tenno SKOOM!".
  • Clone Army: The Grineer were originally a worker class to the Orokin, cloned to do more menial labor, but were later repurposed for military uses.
  • Clone Degeneration: As copies of copies of copies, mass-produced on an industrial scale, many are born so deformed that it'd be impossible for them to survive without cybernetics, and have a lifespan of only a few decades, becoming more decrepit with age. As a result, the oldest Grineer are barely recognizable as human. Councillor Vay Hek, to use an example, has visibly flaking, dead-looking skin, and looks downright grotesque. This is not helped by them making clones out of already-made Grineer, which exacerbates the problems further and further.
    • This is especially evident with the new intro shown at Tennocon 2019, where the original Grineer under the Orokin make an appearance...and don't look that different from a normal human.
  • Composite Character: Every boss in this faction is fittingly a King Mook mash-up for two or more common enemies shown in the game so far; Captain Vor for the Seekers and Flameblades, General Sargas Ruk for the Scorches and Napalms, Tyl Regor for the Manics and Kela De Thaym for the Scorpions and Ballistas.
  • Conlang: As of Update 10 they use a unique language that's largely made up of corruptions of English terms alongside completely original phrases and words.
  • Cute Monster: The Kuva Jesters under the Grineer Queens' command are basically smaller than Rollers. They're made specifically to make a Colossus Climb on you.
  • Cyborg: The Grineer make heavy use of cybernetic augmentation to counter their degeneration. On most male Grineer this is covered by their heavy armor, but female Grineer and officers like Vor and Lech Kril display it as well. Vay Hek currently possesses the most extensive augmentation, being little more than a head stuck to a robotic chassis.
  • Day of the Jackboot: First, the Grineer invaded Saturn, which used to be a prosperous (and possibly independent) trade planet, and publicly executed all resistance leaders. They instated their typical government, turning it into a foothold to control interplanetary traffic. This happened again with Mars, where they ultimately proved victorious, driving out the Corpus, and subjecting humanity on Mars to slavery and extermination, which was exacerbated by the fact that the Grineer were helped by the Tenno, under the promise that the former would help save Tenno in cryosleep that would otherwise be used by Alad V's Zanuka Project. Earlier with Mars (originally Phobos), they also showed up in the territory of the Martian Sand People and proceeded to murder every last one of them for living space, with only one survivor escaping the madness: Baro Ki'Teer.
  • Diesel Punk: A Darker and Edgier version of it. Grineer designs looked rusty and caged-in, diesel engines are replaced with dirty fusion reactors, guns in general are bulbous and heavily gritted in 30's paint and logos, while reminiscences of Steam Punk bulbs are hailed from spacecraft giving a sense that the Grineer is hideous and have no sense of individualism, especially being freed away from the much cleaner, yet very corrupt Orokin by the Sentients.
  • Drone Deployer: While this Corpus are normally the ones who use robots, the Grineer get in on this as well:
    • Seekers can deploy latcher drones, which latch onto players, then explode.
    • Vay Hek can deploy drones that either buff his forces or call down artillery strikes on you.
    • Finally, several Tusk Grineer can deploy tusk seeker drones, which call in reinforcements on the Plains of Eidolon. This can range from just more Grineer, to group of Dargyn fighters, to Ogma Bombers, and even Tusk Bolkor gunships.
  • Dying Race:
    • The Grineer are suffering slow but steady 'genetic decay' with each generation of clones. They face a race against time to find a cure for the degeneration; the intervention of the Tenno certainly can't be helping them much.
    • The comms on Tenno ships feature Grineer marines making breathy radio transmissions, which could be a result of the degeneration. The Grustrag Three have a particularly-difficult time speaking or breathing.
  • Elite Mook:
  • Expendable Clone: Anyone that isn't in a position of power.
  • Facial Horror: As shown in their faction image, the Grineer faces are heavily wrinkled, Covered with Scars and have eyes radiated in orange due to the effects of industrial cloning. This even extends further when their faces actually show expression that are in deep pain as they die in the hundreds of various ways of you managing to kill them.
    • On a similar note, Ghouls have hideous faces even by Grineer standards - the Expired are skeletal, and the Augers don't even have eyelids.
  • Glass Cannon: Most Grineer melee warriors like the Butcher, Powerfist or Flameblade crumple with ease under almost any attack... but if they connect with their superheated cleaver, powered gauntlet or burning axes respectively, a Critical Hit usually ensues, eating a large part of your shields or health.
  • Godzilla Threshold: Arming the Grineer was, for the Orokin, as much of a desperation move as creating the Tenno. The Grineer Lancer Synthesis Imprint shows that many of the modern Grineer were soldiers descended from the genetic stock of Grineer workers who were tough enough to survive and fight off Sentient attacks.
  • Guilt-Free Extermination War: Their depending mindset, especially when it is aimed at the Corpus.
  • Human Resources: Grineer are dissolved in cloning tanks in order to produce more Grineer.
  • Incredibly Durable Enemies: Even the basic Lancers and Troopers can eat a few bursts before going down if you don't go for the head, and the Heavies only make things worse, especially at higher levels.
  • In-Series Nickname: Corpus seems to respect them as "dogs", due to their Undying Loyalty towards the Twin Queens.
  • Irony: The Grineer's expired Ghouls are noted to be excellent shock troopers, as the rational parts of their mind succumbed to hunger or genetic defects during maturation, reducing them to animalistic monsters running solely on their backup nervous systems. Said ghouls are also the only ghouls used as rescue targets during a ghoul defector bounty on the Plains of Eidolon, implying those backup nervous systems are good enough to interfere with their suicidal tendencies.
  • Kill 'Em All: The basic objective of the Grineer, to eradicate everyone that is not them and repopulate the system with them.
  • Knife Nut: Disarmed from their firearms, any Grineer Mook will automatically pull out a superheated knife out of their holster that deals painful slash damage.
  • Lady Land: Downplayed. It's heavily implied that Grineer as a whole, due to having been ruled by the same female rulers for their entire existence as a state, is rather matriarchal in its power structure. Female soldiers are universally fitted with cyber-augmentations and wield better weapons than males.
  • Large and in Charge: Grineer bosses usually stand a head taller than the common grunts.
  • Mook Chivalry: You wish. This is the first faction that was made into the game and is astoundingly intelligent in taking and making use of covers, piloting turrets and attacking you in large groups where everything traditional in RPG gets swatted back at your face. Heck, sending giants, like a Napalm, will only continue their assault against you.
  • More Dakka: The basis of many of their weapons - the Sobek, Grakata, Gorgon, Viper, and Stubba, to name a few.
  • Obligatory War Crime Scene:
    • Their encyclopedia entry shows them killing innocent civilians. They also have offscreen moments, such as murdering asteroid colonies, killing people just because they sympathize with the Tenno, etc.
    • The comms on Tenno ships feature reports from Grineer vessels, which include arresting civilians for expired documents and the elimination of suspected smugglers.
  • Our Liches Are Different: The Grineer can utilize Kuva to create Kuva Liches - immortal warriors that can steal the powers of warframes and use them to grow stronger. Permanently killing them requires the usage of the Parazon.
  • Praetorian Guard: The Kuva Guardians, introduced in The War Within, are the personal guards of the Queens and are much tougher than the typical Grinner soldier.
  • Punch-Clock Villain:
    • Some of them are mere customs agents, trying to uphold the laws of the Grineer Empire as best as they can.
    • Defective clones that lack genetically-conditioned loyalty to the Queens can occur with some regularity, and at least some of them (like the Kavor pacifists) are implied to be forced to take part in wartime atrocities they wanted no part in, with incineration being the only alternative.
  • Red Eyes, Take Warning: All Grineer have black eyeballs with a red iris.
  • Shoulders of Doom: Even their women have them.
  • Slave Race: The Orokin created the first Grineer as an easily-controlled slave race.
  • Tomato in the Mirror: Their propaganda demonizes the Orokin and claims they are completely rid of their influence, but never reveals that the Twin Queens themselves are of the Orokin bloodline, using Grineer cloning to create new bodies for themselves for multiple generations.
  • Touched by Vorlons: Tyl Regor's dialogue during the "Natah" mission indicates that the Sentients freed them from Orokin control, instigating the rebellion and eventual creation of the Grineer Empire. This is a bit subverted in The War Within when the Queens are revealed to be Orokin themselves.
  • Trial by Combat: The Rathuum Court of Kela de Thaym, in which the guilty must face Executioners in live arena combat to prove their innocence. In practice, it's more or less a Kangaroo Court used to keep the pawns in line. However, an obscure rule allows the defendant to call someone to fight for their defense, which leads to Cressa Tal asking the Tenno for help.
  • Undying Loyalty: Most Grineer have a gene that induces this. Whatever it is, it seems to have terrible effects on the body. A few are born without it, though, which is why the Steel Meridian exists.
  • We Are as Mayflies: The common Grineer laborers have a lifespan measured in only a few decades, and only the ones who prove to be either very compliant or high-performing get the cybernetic modifications to let them survive for longer. The most effective, powerful, and wealthy Grineer get cloned body parts and heavy-duty augmentations that can render them virtually immortal.
  • We Can Rebuild Him: The backstory notes that most Grineer are born so deformed that they would not survive without heavy augmentations. It's also noted that Grineer are better at fixing things than creating them.
  • Weaksauce Weakness: Grokdul, a normally benign substance according to the Lotus (although the item description says it's a "noxious mix of polysaccharides and long-chain polymers") is toxic to gestating Grineer Ghouls, making it the most efficient weapon to purging mass Ghoul burial sites. If the Ghoul is mature, though, Grokdrul will just make them angry and provoke them into exiting their warrens to attack you.
  • We Have Reserves: Being a clone race, the Grineer can raise armies very quickly indeed, as is reflected by the wave after wave of troops the average Tenno will slice through in a single mission (their reaction to Extermination missions is essentially "mark site for repopulation.") Unfortunately for the Grineer, their weapon and armor tech is so primitive compared to Tenno technology that a single Tenno can wipe out an entire legion of Grineer troops singlehandedly. This is not helped by their severe Clone Degeneration, which the Tenno have probably directly contributed to by wiping out billions of them.
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Main Bosses

    Captain Vor 
https://static.tvtropes.org/pmwiki/pub/images/vorportrait_d.png
'Another dead Tenno!'
"Foolish Tenno, do you realize your Lotus has sent you to die?"

The first boss of the game, Vor is the Grineer officer tasked by the Queens with locating and exterminating the Tenno before they awake. He is responsible for awakening the player character from stasis in an Orokin structure on Earth, and attaching the Ascaris restraining device on them in an attempt to capture them for experimentation. The player character has to eliminate him in order to disable the Ascaris.

He is faced on Mercury and as a dual boss on Ceres. Initially, the Lotus targeted him due to suspicion of his possessing powerful Orokin artifacts.


  • A Father to His Men: Update 14 shows that he cares deeply for his men, calling them his "sons" and gets increasingly pissed as the Tenno cuts through his forces.
  • Authority Equals Asskicking: He's much more resilient and powerful than any of his soldiers, and significantly smarter. And if the Ghouls comics are any indication, Vor made it out alive from an Orokin Derelict filled with Infested and Corrupted all alone after the portal he came through was closed.
  • Bolivian Army Ending: At the end of the Ghouls comic miniseries his army is smashed, his soldiers corrupted, the Tenno he tried to capture had escaped and he is stuck on the Orokin ship he wanted to take over, surrounded by vicious Infested. In the last frame we see of him, he's Defiant to the End. Impressively enough, he somehow managed to survive and get off that ship, since the comic takes place prior to the start of the game.
  • Bond Villain Stupidity: His assurance that the Ascaris he plants on the player Tenno is a checkmate, and that Lotus could do nothing more for them, results in Vor walking out of the awakening chamber with his leftover forces to contain the Tenno. The instant he's gone, Lotus overloads the Tenno's Warframe, giving them the chance to fight back and escape as his plans go up in smoke shortly thereafter. If he had personally bothered to contain the Tenno himself, given that he's invulnerable in the tutorial, the game would've been over before it began.
  • Came Back Strong/Wrong: The first time you met Vor, he got blown up in half. The second time you see him in the Void, half of his upper torso is connected by a beam of energy to his lower one and is stronger compared to the other bosses you've dealt with.
  • Close-Range Combatant: Before Update 9's revamp.
  • Create Your Own Hero: It's through his actions and attaching the Ascaris to the player character that he is defeated in short-term afterwards, before the player gets to run loose on ths rest of the Grineer.
  • Death Seeker: Update 14 reveals that the reason he's so obsessed with the Tenno is because he wants to use them to reverse the Grineer's clone degradation so he can finally die for good.
  • Degraded Boss: Before the revamp in Update 9, he was the template for the Flameblades.
  • Dual Boss: He fights alongside Lech Kril in Ceres.
  • Dynamic Difficulty: After Update 9, his health and damage scales with the levels on the players' Warframe and weapons. For a while, this could push his level past 100, making him extremely hard to kill and equally deadly.
  • Energy Being: He becomes one after being resurrected and transported to the Void.
  • Even Evil Has Standards: In the comic, he expresses distaste with ransacking the Ostron villages and slaughtering any who resist—if only because it's a waste of time.
  • Evil Old Folks: His post-Update 9 appearance is visibly aged. In the PS4 trailer he is addressed as "Old Man" by a Grineer officer. His facial features also look more human than said officers, implying less degeneration and an earlier generation.
  • Flunky Boss: One of his attacks is to hide behind an energy shield and warp-in reinforcements.
  • Hypocrite: He tells you to fight with honour, then summons flunkies, teleports around the arena, uses mines and generally doesn't practice what he preaches. Then again, the moment he gets close to a Tenno it's generally over for him.
  • Infallible Babble: As Corrupted Vor. If you progress through the game's quest you will realise that he's surprisingly aware and on point about some of the twists in the game's lore. Such as the Tenno being led by an impostor who is a stranger to the Void.
  • Love Freak: He lives for the love of the Queens, and to be loved by his Grineer children and grandchildren.
  • Love Makes You Evil: Loving the Grineer Queens, of all people, has changed him for the worse.
  • The Musketeer: After Update 9, he has a Seer pistol for range and a Cronus for melee.
  • Nice Job Fixing It, Villain!: Vor had a firm idea of using a Tenno to try to reverse-engineer their divine blood so that a cure for the Clone Degradation of his species can be developed. But the Twin Queens wanted all Tenno to be killed on-sight for a reason, and as his brief moment of Bond Villain Stupidity demonstrates, awakening the player Tenno was a horrible mistake as they're now let loose to slaughter all evil across the Origin system, especially his own allies.
  • Ring of Power: Vor's special abilities largely stem from his (possibly damaged or modified) Orokin Void Key.
  • Starter Villain: He's the villain of the tutorial questline that teaches you the basics, though he makes appearances later on.
  • Took a Level in Badass: At one point, he was both the lowest and highest level boss in the game, as Captain Vor and Corrupted Vor respectively.
  • Turns Red: If you damage him enough, he'll throw out Nervos mines to act like Vauban's Tesla. Bring him even closer to death and he starts using his Void Key as a Wave Motion Gun.
  • Villain Teleportation: In his earlier incarnation, Vor liked to teleport behind you if you got too far away. Now he'll teleport closer (though rarely into melee) or away from you as the situation demands.
  • Villainous Valor / Noble Demon: In the Ghouls comic has several moments that reveal a sense of honor rather uncharacteristic for a Grineer. He's still fanatically devoted to his Queens, loyal to his soldiers and willing to murder scores of civillians, but he is also willing to negotiate and accept surrender, and seems to have a sort of grudging respect for his enemies, which are things other Grineer officers rarely display.
  • Worthy Opponent: Certainly seems to see the Tenno (and the Lotus) as this, both in the comic and the game.
  • You Have Failed Me: He used to be Admiral Vor, but was demoted to Captain after disobeying the Queens by capturing the player Tenno instead of killing them, and thus allowing them to escape.

    Councillor Vay Hek 
"I knew this day would come. I prepared, changed myself. I made sacrifices! Tenno... are you ready for a SACRIFICE!?"
https://static.tvtropes.org/pmwiki/pub/images/vayhekportraitr_1774.png
'The first Grineer who brings me the head of a Tenno will be permitted... TO WEAR ITS SKULL AS A HELMET!'

The boss of Earth. A corrupt diplomat who has assassinated multiple political opponents, Vay Hek serves as the Grineer Propaganda Minister and is behind a number of very dangerous projects, including the Grustrag Three death squad and the growing fleet of Balor Fomorian warships, which he plans to use to conquer the Origin System.

Targeted for assassination by the Lotus as he is a hindrance to the stability of the system. Drops blueprints for Hydroid.


  • Admiring the Abomination: Upon seeing an Eidolon Teralyst for the first time, he shows shades of this before ordering his men to attack.
    "It's... beautiful... it's so beautiful... KILL IT."
  • Asskicking Equals Authority: The Lotus suspects that Councilor Vay Hek obtained his position through violent elimination of his political rivals. Whether one of those rivals included his predecessor is never mentioned.
  • Blood Knight: A clear token among councilors, which is usually a boring job, whose personality is basically a mirror-reflection of the same villain stereotype since World War II , lavishes a lot of screaming while killing out other parties to prove his Grineer-ness for his queens.
  • Body Horror: After Update 13, his body has been... changed. He's now basically a head attached to the body of a giant robot. Also, if you look closely, you can see his lips are blue, likely due to extended cyanosis (blue tint due to a lack of oxygen)
  • Boss in Mook Clothing: Prior to Update 13, apart from his nonstandard gun, looked like a Lancer at first glance.
  • Catchphrase: "MAGGOTS!"
  • Chewing the Scenery: Good lord, where do we begin? Just... look at Large Ham below.
  • Dark and Troubled Past: Played for Dark Comedy. He once was a more approachable Grineer when he proposed his ascendancy as the commander of the Grineer Ghouls. Considering his first debut to the high ranks was immediately with the Grineer Queens, his play as a host got his superiors insulted (the queens told him that he said 'hello' to guests out of rank order, and should have started with them). He then gets humiliated and literally mutilated for his efforts, all a while getting his Ghoul project approved regardless.
  • Dramatic Pause: The taunting speech that he delivers in the third bullet point under Large Ham is positively littered with dramatic pauses, making the already overdramatic monologue sound even hammier.
  • Evil Laugh: "Ho hah hah HAH HAH HAH HAH HAH HAH HAH!"
  • From Nobody to Nightmare: To a certain extent. He was once a lowly Councilor mocked by other Grineer, killed off while presenting the Ghouls. He was only kept alive by Doctor Tengus on the Queens' order because they found him amusing. Now he's one of the highest-ranked Grineer with the most sway and presence and a constant threat to the Tenno.
  • "Get Back Here!" Boss:
    • A very tough boss, almost legitimately in every way, but shooting his head will likely to make him pull his butt closer to the Boss Room and is the only thing you could possibly be doing in order to make him fly out of the planet.
    • He comes back as an endgame boss, more precisely a Goddamned Puzzle Boss.
  • The Heavy: Most Grineer-related plot threads in the game - Fomorian Invasions, Ghouls, the Cicero Crisis, and his personal command of the Tusk Grineer that roam the Plains of Eidolon, the poisoning of the Infested Boil during Operation Plague Star - involve him in some way, and he's usually the most vocally opposed to the Tenno.
  • Hoist by His Own Petard: It's revealed that he lost most of his body parts after being eaten alive by his own Ghouls.
  • Humongous Mecha: The final stage of his boss battle has him ditch his smaller, drone-like body in favor of putting himself in a gigantic and agile mech. Ironically, this actually makes him more vulnerable than before thanks to this new body not having invulnerable armor like his other body.
  • Hypocrite: Listen when he says that the Orokin plants on Earth are "Genetically modified monstrosities", then look back and ask why his face looks like it came out of a belt-sander and what's left of him. It also doubles out as Hypocritical Humor when he insults the Tenno as "Maggots" when he appears to be more accurately portrayed than his victims in question.
  • I Was Quite a Looker: His old self in the Ascension was made him more approachable than his other Butcher comrades but was immediately turned into one of the most grotesque Grineer who have ever sat into power.
  • Large Ham: Damn near everything that Vay Hek says is delivered in a loud and bombastic manner.
    • "TENNO ARE WORSE THAN WEEEEEEEEDS!"
    • "TENNO BONES WILL MAKE GRINEER HOMES!"
    • "TENNO! TENNO! TENNO! YOU THINK YOU'RE WINNING? YOU... HAVE ONLY... BEEN ATTACKING... THE AUXILIARY CORPS! DID YOU REALLY BELIEVE... IT WOULD BE THIS EASY? YOU ARE RUNNING OUT OF TIME! THERE WILL BE NOWHERE... TO HIDE... FROM MY FOMORIANS! AND WHEN... THE LAST... OF YOU IS GONE! I WILL PERSONALLY... THROW... YOUR BELOVED LOTUS... INTO THE SUN!"
    • The Hamminess continues throughout the Eyes of Blight event, where he screams at the Tenno at the top of his lungs as they raid his Balor Fomorians.
    • "TENNO! TENNO! TENNO ARE HERE! STOP THEM MY BROTHERS! THEY CANNOT HALT OUR DESTINY!"
    • "HELLO... INSECTS! FOR TOO LONG YOU HAVE BEEN A PARASITE UPON THE GREAT GRINEER MACHINE! NO LONGER! THE TENNO MUST LEARN HOW TRULY INSIGNIFICANT THEY ARE. FOMORIAN COMMANDER... FIRE! AT! WILL!
  • Laughably Evil: While he is by no means adorable or reasonably fair in any way, he is arguably the both most hated and most amusing boss in the Grineer empire due to his bombastic personality and a knack of gory violence. Getting a spotlight in the Plains of Eidolon doesn't help get rid of his unusual moments.
    Councilor Vay Hek: [after seeing an Eidolon Teralyst]It's beautiful. It's so beautiful... [beat] KILL IT.
  • Losing Your Head: Having most parts of his body composed of machinery, the only visible parts that can be seen moving organically are his head and his surprisingly long spinal cord. His comic debut in the Ascension directs to what have caused his complete mutilation.
  • Mighty Glacier: Prior to Update 13, he was slow but with a shotgun (The Hek) that could quickly ruin your day.
  • A Nazi by Any Other Name: Make the following substitutions: "Orokin weeds" for "Jews", "Tenno" for "Communists", "herbicide" for "genocide", "homes" for "lebensraum", "Cicero toxin" for "final solution".
  • No Indoor Voice: While he was already loud, it's taken Up to Eleven post-update 13.
  • Retcon: Before the comic established how he got to his current state, it was implied (and still is implied, as the voice lines were not changed after the comic release) through his boss fight dialogue that he changed himself voluntarily, preparing for when the Tenno eventually come for him.
  • Sanity Slippage: After Grineer Ghouls ate his limbs, he went a bit off the deep end.
  • Suddenly Voiced: As of the Cicero event, though his boss fight taunts are still Speaking Simlish.
  • Tactical Suicide Boss: Post-Update 13, his body is heavily armoured to the point that attacks will do no damage... until he raises his faceplate to scream propaganda at you.
  • Too Dumb to Live: During Operation Plague Star, Hek orders the Grineer on the Plains of Eidolon to ignore the infested boil on the plains so that it can wipe out Cetus. To clarify, the boil is the size of a rather large house and is sending out a horde of Body Horror Technically Living Zombies that, at their most dangerous, can control entire ships, and are pretty much unstoppable if allowed to fester. Worse still, he has all of the materials needed to, if not kill the boil, then at least force it into dormancy, and yet he doesn't - he wants Cetus destroyed that badly.
  • Villain: Exit, Stage Left: Drop Vay Hek down to 10% health and he just up and flies away, still very much alive and dangerous. This happens in both his boss fight on Earth and in Law of Retribution. Lotus somehow still considers this a "successful assassination".
  • You Have Outlived Your Usefulness: By the end of Archwing.
    Councilor Vay Hek: Frohd Bek! Consider our contracts canceled! THIS IS A HOSTILE TAKE OVER!

    General Sargas Ruk 
https://static.tvtropes.org/pmwiki/pub/images/photo_1.png
'You Tenno, you fight for treasure. You are just another Corpus machine to me!'
"You think you are guardians? Grineer rule supreme! Grineer protect all!"

The boss of Saturn. Sargas Ruk is the top artifact hunter in of the Grineer, a profession which he uses to feed his addiction to cybernetic augmentation. he is also one of the people responsible for the infamous Gravidus Dilemma, in which he and Alad V went to war over a cache of Tenno found in hibernation on Mars. Drops blueprints for Ember.


  • Friendly Enemy: At the end of the Gradivus Dilemma, siding with the Grineer makes Sargas welcome you with a friendly message and a powerful shotgun pistol that you would gladly use to kill him and his army.
  • Having a Blast: Majority of Ruk's abilities cause nasty explosions to the players' faces. One of them involves small but plentiful volcanic eruptions that deals deathly damage to anyone moving at a snail pace.
  • Hoist by His Own Petard: His pre-Update 11 incarnation could invoke this on players with the Reversal Field, which acts like Mag's Bullet Attractor.
  • In-Series Nickname: Alad V calls him a "test tube dog".
  • It's Personal: He was really pissed off by Cressa Tal's betrayal of him.
  • More Dakka: Before Update 11, used a Gorgon machine gun.
  • Noble Demon: The only Grineer boss who seem to have some notion of honour on his mind. During Gradivus Dillema he was welcoming and supportive of you and your skills if you sided with him, and appealed to your sense of honour if you sided with Corpus. When you come to kill him on Saturn he also appeals to your honour and sense of worth, and as you damage him enough admits that you fight well. His letter to councilor Vay Hek, chiding him for creating the Grustrag Three, reveal that Ruk also despises traitors and those who turn against their own.
  • Playing with Fire: His Update 11 incarnation uses fire moves, including a flamethrower, and ripoffs of Ember's "Fire Blast" and "World On Fire".
  • Puzzle Boss: After Update 11, you need to wait for him to expose his weak points after attacking before you can harm him.
  • "The Reason You Suck" Speech:
    • If you support the Corpus against him during the Gradivus Dilemma, he will call you out as willing to sacrifice your own and die for a worthless cause.
    • After Update 11, one of the lines he can deliver in his boss mission has him calling you a mercenary and asking what happened to the Tenno sense of honour. Another one calls you as fighting for treasure and another Corpus machine.
  • Shoulders of Doom: His post-Update 11 left pauldron is gigantic.Justified in that it seems to house some kind of exhaust/cooling system.
  • Speaking Simlish: Noticeably averted by his Update 11 incarnation, which speaks to you in English. This started with the Gradivus Dilemma.
  • Turns Red: His Update 11 incarnation has three phases, each with added moves and a different weakspot.
  • Worthy Opponent: If you support him and the Grineer during the Gradivus Dilemma, on the other hand, he will praise your fighting prowess. While fighting him, if you get him down to less than a third of his health he'll begrudgingly admit "you fight (wheeze) well..."

    Kela De Thaym 
https://static.tvtropes.org/pmwiki/pub/images/event_kelasarena_web.jpg
'I'll be back, right after these missiles!'
"This is my show, my audience! I call the shots!"

The boss of Sedna. Kela De Thaym was enlisted for mandatory military service like all other Grineer females, and loved it so much she extended her term for a decade. After an exemplary career she was allowed to act as judge for the Grineer Trial by Combat event, Rathuum. She was targeted by the Lotus on request from the Steel Meridian, in an attempt to rescue a group of Grineer dissidents Kela had captured. Drops blueprints for Saryn.


  • And There Was Much Rejoicing: During her fight, her audience actually boos her, which pisses her off. Her defeat is met with thunderous applause.
  • Attention Whore: Pleasurably seeks favor from her crowd, as it becomes more visible the more restraints she imposes to the match.
  • Bad Boss: According to the Lotus, her underlings are as much for her amusement as her protection.
  • Blood Knight: Oh yes.
  • Blood Sport/Trial by Combat: While Rathuum in nominally a court dedicated to trial by combat, it's functionally a combat arena and a major Grineer sporting event. It's not certain if this is the Grineer's idea of a court, or if Kela had a hand in turning it into a public entertainment event. Actual courts of law, ideally, are very formal and usually quiet events dedicated to impartial and objective application of the law. Rathuum runs contrary to that in every way.
  • Combat Commentator: Provides commentary for your Rathuum matches.
  • Dirty Coward: Unforgivably flunky, to the point that Cressa lampshades it. If you get the upper hand, she runs away and tries to just bomb the stadium you're in from orbit.
  • Drone Deployer: Constantly hurls Rollers at you, which can stagger you and leave you open to a rocket blast.
  • Expy: Between being Lean and Mean, high collar armor that evokes a mink coat, and sharing more than a few design cues, she was likely inspired by Cruella de Vil.
  • Glass Cannon: Her pre-rework version had lower than average health (compared to bosses), and her shields didn't recharge on their own. She does, however, have a very powerful rocket launcher. Her redesign gave her a lot more health and makes her a full-on Lightning Bruiser.
  • Grappling-Hook Pistol: She can be seen latching from wall to wall around the arena.
  • Hanging Judge: To go with her makeover in Operation Rathuum, she oversees the Rathuum 'trials' that are supposed to the Trial by Combat version of a Kangaroo Court. Of course, what screws up her plans is overlooking a rule that allows the accused to have more capable fighters compete in their stead. Of course, she holds the Tenno in contempt for "cheating" and tries to execute the prisoners herself, giving the Tenno an excuse to hunt her down and take her out in front of her own audience.
  • Having a Blast: Something that didn't change in her rework was her love of rocket launchers. Her own modified version of the Bombard's rocket launcher has been upgraded to a cluster missile battery, ans she will occasionally step out of the arena to summon orbital bombardments to deal with you.
  • Hypocrite: She decides you're cheating after you repeatedly beat her Executioner gladiators and gets pissed about it. Her boss fight mechanics entirely revolve around her calling a friggin Kill Sat to kill you without her endangering herself. Even the Grineer decide she's scum after that.
  • Intoxication Ensues: The Dog Days event - which involves fighting Rathuum with water soakers, - can be traced back to a gas leak that Kela happened to inhale.
  • Iron Lady: Downplayed. While aggressive and imposing for a strong sense of duty in shaping Grineer order, she has no qualms to cheating and explicitly making Rathuum nothing more than a Blood Sport. Much to the Steel Meridians' concern.
  • King Mook: Prior to her redesign she basically looked like a slightly redesigned Ballista, complete with their voice.
  • Lady of War: She's one of the judges in the Grineer Matriarchy, and she's only happy when she is out in the field watching anything bleed.
  • Large and in Charge: He redesign made her absolutely huge, with Shoulders of Doom to boot.
  • Large Ham: As of Operation Rathuum, her personalty has shifted dramatically along with her looks. She's basically the evil equivalent of a sports commentator mixed with a Hanging Judge. She also has the typical Grineer trait of yelling at the top of her voice.
  • Laughing Mad: Laugh hysterically during some of her attacks.
  • Smurfette Principle: The only female boss that has a planet dedicated to her and who can drop parts of a Warframe.
  • Villainous Breakdown: At half health, she panics and offer to let the Tenno become Executioners if they spare her. The crowd immediately turns on her and starts booing her, which only accelerates her breakdown.
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    Lieutenant Lech Kril 
https://static.tvtropes.org/pmwiki/pub/images/lt_lech_krilicon.png
'Does that second-skin peel away just as easy as the first?'

The boss of Mars, and half of the dual boss on Ceres. A revered war hero of the Grineer whose augmentations and powers rival those of Warframes. Drops blueprints for Frost on Mars, and parts of the Miter, Twin Gremlins and Frost on Ceres.


  • Almighty Janitor: He is a famed hero to the Grineer, yet he holds the lowly position of lieutenant. When first fought, he is stronger than Captain Vor; the second time, they are equals.
  • An Ice Person: Before his cryo pack is destroyed; it comes as no surprise that he drops the Frost Warframe as a result.
  • Attack Its Weak Point: He is invulnerable at first. You need to damage his cryo pack.
  • Drop the Hammer: He uses the Brokk version of the Fragor hammer.
  • Dual Boss: He fights alongside Vor on Ceres.
  • Flat Character: Of all the Grineer bosses, Lech Kril has the least personality or distinguishing characteristics.
  • Mighty Glacier: He has powerful attacks both at range and in melee, but is not especially mobile.
  • More Dakka: Wields a Gorgon rifle.
  • The Musketeer: He can pull a Gorgon LMG out of Hammerspace if his Hammer just isn't cutting it. Before Update 9 revamped Captain Vor, he was the only Grineer boss to have a dedicated melee weapon to complement his gun.
  • Turns Red: After you destroy his cryo pack, he will switch to fire and go full melee, complete with speed boost.
  • Unexplained Recovery: He's the boss of Mars and half of the boss duo on Ceres. As Ceres comes after Mars and he was explicitly killed in the Mars mission (where the Lotus is worried that his assassination would make him a Martyr to his people as he's a war hero), it's unknown how he is alive for the second round in Ceres. At least Vor has the excuses that he has a Janus Key.

    Tyl Regor 
https://static.tvtropes.org/pmwiki/pub/images/tylregor.png
'Come for a fight? Oh, should have dressed for a funeral!'
"I'm very excited now. The anticipation, ooh! I always learn so much... from a live dissection. ...A dissection? No no no no, that sounds too humane. Your death will be... painful."

The boss of Uranus. A brilliant Grineer scientist who was working to revert the genetic decay of the Grineer, and in the process ended up awakening the Sentient Hunhow from his tomb beneath the seas of Uranus.

Targeted by the Lotus because the research he is conducting not only threatens to make the Grineer immortal, but also give birth to more dangerous clones (such as his Manic Grineer). He fights using Ack and Brunt (formerly a Cronus sword). Did we mention he's completely crazy? Drops blueprints for Equinox.


  • Ax-Crazy: He's stated to be completely unhinged by the Lotus. His dialogue doesn't do much to disabuse the notion. Bonus points for his rework including An Axe to Grind.
  • Badass Bookworm: He's only a scientist, but he can go toe-to-toe with a cadre of highly-armed space ninjas and win.
  • Body Horror: He wears his faceplate upside down. On his original model, this was less innocuous than it first seemed: closer inspection reveals that the helmet doesn't completely connect to the faceplate in this manner; in the old loading screen for his mission, that gap revealed his skin caves in around his face. Less famously, he also has part of his flesh bulging outward through his chestplate. Is it any wonder why he's so interested in curing genetic decay? As a result, fan art sometimes depicts him as having an upside-down face.
  • Close-Range Combatant: He can mess your whole day up at close range using his axe, and has resistance to most ranged attacks.
  • Cure for Cancer: He is assigned to revert the degeneration of the Grineer's industrial cloning and experimented on himself to the point of speaking clearly.
  • Drowning Pit: At the final stage of his boss battle he punches out the glass ceiling of his lab, flooding the entire room with ocean water, forcing you up the cramped balcony to fight.
    "Gonna pull this ocean down on us if I have to!"
  • Evil Sounds Deep: The guy sounds like he should be performing Shakespeare, but instead he's busy running crazy experiments.
  • Faux Affably Evil: He's a smooth talker, but also a total sadist.
  • Genius Bruiser: He's a brilliant scientist, and is fully capable of leaping across the room to pound you into pulp.
  • Hypocritical Humor: He mocks the Tenno as "worthless, ugly freaks", which is pretty rich coming from a Grineer.
  • King Mook: A variation. His personal lab is filled with Manics, he has the same Flash Step as them, he shares the same hit-and-dance-around-you melee fighting style, and both tend to be Laughing Mad when they're killing people.
  • Mad Eye: One of his mask's glowing eyelights is noticeably brighter than the other, creating this effect.
  • Mad Scientist:
    • Natch. He's trying to revert the Grineer's genetic decay by making them - and himself - immortal.
    • As of Update 17, you battle him in an underwater lab tileset. That's right, he's ascended to classical James Bond villain.
    • The cloning process he's known for? It doesn't involve stem cells or synthetic tissues. It involves melting living organisms (primarily other Grineer) and duplicating them.
    • The Tubemen he's been breeding? Variant Manic Grineer, known to other Grineer as being mentally unstable and to players as "Oh, goddamnit!"
  • Nice Hat: When not using his shield, he wears it on his head like a giant crown.
  • No Pronunciation Guide: Applies to both parts of his name: Tyl is pronounced either "Till" or "Tile" and Regor is pronounced either "Reh-gor" or "Ray-gor".
  • Large Ham:
    "You hate my science, hate my tuuubes, and my tuuuubemen. But I have the numbers, add those numbers, mix those waters, grow the tuuubemen... so they kill forever."
    "Die, lizard! Leech! Bloody worm!"
    "It's HAMMER TIME!"
  • Laughing Mad: Outside of combat he keeps his cool and professional demeanor, but when pitted against the Tenno he'll start laughing as hard as his Manics while caught in the bloodlust.
  • Lightning Bruiser: In battle, Tyl Regor moves fast and erratically when attacking his opponents. He also swings his Knux gauntlets around like they're nothing, on top of having a good amount of health and armor.
  • Power Fist: His redesign incorporated massive robotic fists on both arms. He can swap them for an axe in less than a second.
    • Rocket Punch: He can shoot them at Tenno, or at the glass walls to flood the room.
  • Strange-Syntax Speaker: From "Tubemen of Regor" onward his sentences are very clipped, almost like Mordin Solus, and he alternates randomly between a sinister drawl and Motor Mouth.
  • Super Strength: Applying the results of his own experiments on himself made Tyl ridiculously strong. How strong? Knux, the massive robotic fists from the Power Fist example above, can be reverse-engineered and used by the Tenno as a weapon - but only in Archwing. Meaning, that even the Tenno, who are known to have a degree of Super Strength of their own, find this weapon too heavy and unwieldy to use without relying on zero-gravity or buoyancy assistance. Tyl, however, is strong enough to use them on foot.
  • Suddenly Voiced: An even more sudden one compared to Hek, as his witty yet surprisingly educated snarks make him go toe-to-toe with the animated Lex Luthor.
  • Top-Heavy Guy/Heroic Build: Has a huge muscular torso, further accentuated by his pin-like prostethic legs.
  • Teleport Spam: Employs Manic tactics in his fights, turning invisible and teleporting away after receiving a certain amount of damage.
  • Tranquil Fury: When the Tenno come for him after ruining his research progress and killing his gestating Tubemen, he starts sending death threats with barely contained rage and contempt.
    "You had me anxious, Tenno. Nervous. Pacing, even. Didn't think you'd come. Such a relief. I'll finally get the chance to hurt you."
  • Unwitting Instigator of Doom: The Natah quest has him searching for the Sentient technology that nearly destroyed the Orokin. He was not expecting to wake them up after thousands of years.
  • Wicked Cultured: Of all the Grineer bosses, Tyl Regor is without doubt the most charming, intellectual and erudite speaker.
  • Your Little Dismissive Diminutive: He calls Tenno "scampering lizards".

Side bosses

    The Grustrag Three 
https://static.tvtropes.org/pmwiki/pub/images/grustrag3tvtropes_1631.png
'Are we sure these are the targets? They seem so inconsequential.'

"The Grustrag Three. Arrogant. Sadistic. Unstable. They are perfect for this."
Councilor Vay Hek

Vem Tabook, Shik Tal, and Leekter make up the Grustrag Three, a Grineer Death Squad created by Councilor Vay Hek to punish Tenno who support the Corpus in Invasion missions.


  • Attack Drone: Each member of the Three now has a Sentinel of their own, which is armed with a laser rifle and also used to attach the restraining bolts mentioned below. Presumably they also help keep the Three themselves in check.
  • Badass Normal: Stalker wields special ghostly void powers like the Tenno, and is immune to void powers himself. The Zanuka Harvester has special Tenno power components installed and can launch void nullifying grenades. The Grustrag Three just deal a crapton of damage with their guns and are three people, and are arguably the most dangerous of the assassins.
  • Blood Knight: They sound fairly bored when attacking Tenno, even asking if the ones they're fighting are the correct targets. According to Codex, Vem Tabook is this to such an extent that he got so impatient to kill that he turned on fellow Grineer, leading to his reconditioning.
  • Body Horror: Implied. They're never seen outside of their armor, but the patch notes for their release update mentions they are 'riddled with mutation'. Their faces are also far from human.
  • The Dreaded: Have this reputation on both sides of the Grineer/Tenno conflict. Lotus immediately orders you to abort the mission and evacuate when they appear. Other Grineer (like Sargas Ruk, for example), don't like fighting with them either, due to their tendencies to attack their own remaining even after their reconditioning.
  • The Fourth Wall Will Not Protect You: Once you start bleeding out, trying to Alt+F4 away from them doesn't work.
  • Hero Killer: They are meant to be this, given that they inspire such fear that the normally calm and collected Lotus pleads for you to forget the mission and run when they're about to drop in. If you didn't bring your best gear they will uphold that reputation.
  • Interface Screw: Downplayed. Their arrival is heralded by the Lotus's messages becoming filled with static and bugging out. But they do not mess with the HUD or anything else in any real way.
  • Mini-Boss: Just like the Stalker and the Harvester before them.
  • Mook Chivalry: Despite there being three of them, only one of the Three will attack you at any given moment.
  • Nonstandard Game Over: If they kill your whole squad, you automatically fail the mission, and wake up on the main menu with a Restraining Bolt that will reduce your effectiveness in battle against Grineer in general. Luckily, the Lotus gives you a blueprint to craft the remover.
  • No-Sell: In a first for assassin minibosses, averted. The Grustrag Three are quick enough to avoid your attacks, but have none of their predecessors' Dispel gimmickry, and are vulnerable to all status effects, debuffs or forms of attack expected to work on a standard boss.
  • Psychopathic Man Child: Some of their lines make them seem like this:
    Leekter: I want to play with these ones.
    Shik Tal: (gasp) Boooriiinnnggg! (gasp)
  • Underestimating Badassery: The Three are openly dismissive of the Tenno when they arrive during a mission, calling them weak and questioning if they really have the right target. Depending on how well equipped and spec'd the Tenno in question is however, the three of them will quickly be set straight.

    Sprag & Ven'kra Tel 

A pair of cloned elite Grineer sisters. Much like the Grustrag Three, they serve Vay Hek.


  • Attack Its Weak Point: They are only vulnerable on their faces and backpacks.
  • Cloudcuckoolander's Minder: Ven'kra plays this role to Sprag, constantly reminding her to calm down and stay focused.
  • Cold Sniper: Ven'kra Tel uses a Vulkar, and has a very cold personality.
  • Death by Irony: "She will be remembered. Who will remember you, Tenno?"
  • Drop the Hammer: Sprag uses a big hammer.
    "Make them all flat. FLAT FLAT FLAT."
  • Hulk Speak: Sprag speaks like this:
    "Hammer flatten shiny bugs."
    "Too many shiny bugs. I kill them."
    "I make shiny bugs flat. NOW."
  • Please Wake Up: Sprag says this if you killed Ven'kra Tel before her. Kind of heartbreaking until you remember she's still trying to kill you.
  • Psychopathic Man Child: Sprag is one, especially with lines like "More bugs! More shiny bugs!"
  • Send in the Clones: Both were killed off easily by the moment they appeared in the Gate Crash event, only to reappear later in Void and Derelict Sabotage missions, by virtue of being mass-produced clones.
  • Villainous Friendship: They care for each other as battle comrades do, and neither takes it well when the other is killed.
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    Rathuum Executioners 

Fighters picked from all over the Grineer Empire to participate in Rathuum Trial by Combat under Kela De Thaym. Their job is to provide opposition to the accused as well as making their death as entertaining to see as possible. Tenno will have to go through them in Rathuum matches before they can earn their right to fight Kela personally.


  • Ace Custom/Custom Uniform: Executioners wear personalized weapons and armor into battle.
  • Confusion Fu: Executioner Harkonar can deploy holographic copies of herself to throw you off. Copies look identical to the real one, but one way to tell them apart is that copies do not have a shield section on their health bar.
  • Combat Medic: Dok Thul, who was a medical officer under Sargas Ruk.
  • Combat Sadomasochist: Executioner Dhurnam, who is a failed graduate of Tyl Regor's Super Breeding Program, is an extreme example. Pain and injury make him stronger and fiercer, but he can barely function unless he is in some sort of pain.
  • Gadgeteer Genius: Executioner Reth, who was not even a soldier before enlisting in Rathuum.
  • Gladiator Games: They are pretty much Grineer gladiators, fighting for crowd's entertainment.
  • Guns Akimbo: Executioner Dhurnam takes this Up to Eleven by wielding two quad-barreled Hek shotguns.
  • It's Personal: Executioner Gorth was on a receiving end of this after he killed another soldier for stealing. Unfortunately, the soldier in question was a close ally to Lech Kril, who in return pulled enough strings to destroy Gorth's military career. Now Rathuum is his only chance to redeem himself. Executioner Garesh, who blames Tenno for his misfortune (see below), holds this attitude towards them.
  • Punny Name: Dok Thul. We're not sure if it's a name or a title.
  • Punishment Detail: Several Executioners ended up in Rathuum as a punishment for some sort of failure.
  • Ragtag Bunch of Misfits: Executioners were picked from all strata of Grineer society. Not all of them came there because they were competent soldiers, or even soldiers at all.
  • Non-Idle Rich: A non-heroic example with executioner Harkonar, who is considered a nobility among the Grineer for being in charge of a major weapon production facility. She joined Rathuum because she wasn't satisfied with just making weapons, she wanted to kill with her own hands.
  • Old Soldier: Executioner Nok, who lived long enough for his grineer degenerative afflictions to make him unfit for regular duty. Rathuum is a form of retirement for him.
  • Serial Killer: Reth was one before entering Rathuum. A simple laborer, he began experimenting with tools and devices surrounding him to see how they can be used for lethal purposes, apparently for no other reason than that he could/got curious.
  • Sole Survivor: Executioner Garesh ended up in Rathuum after his whole battalion had been eradicated in an encounter with a single Tenno and he was left stranded in a wilderness, only to be sentenced to death in Rathuum for cowardice when he managed to return. After he'd managed to kill every executioner he was pitted against, he was offered a position of executioner himself as a form of pardon.
  • Teleport Spam: Executioner Garesh likes to teleport in close combat range, similar to Grineer Flameblades. Dok Thul and Dhurnam possess Switch Teleport abilities similar to that of Loki and Grineer Commanders, which allows them to suddenly switch places with you, leaving you momentarily confused and unable to act.
  • The Sociopath: Some Executioners qualify, especially Reth.
  • Trading Bars for Stripes: Executioner Reth had to join Rathuum to avoid capture after his killings got traced back to him.
  • You Did Everything You Could: Executioner Dok Thul, who failed to save one of Sargas Ruk favorite underlings. Averted - Ruk did not turn out forgiving or understanding at all, cue Dok Thul being "reassigned" to Rathuum.

    Kuva Liches 
Grineer soldiers infused with Kuva at the behest of the Worm Queen, giving them a measure of the same immortality she has, and thrown against Tenno deliberately to catalyze the bonding. Those slain by a Warframe, rather than dying, simply teleport away, having imprinted on that specific frame, and elevated into an elite cadre of the Queen's commanders with a personal feud with their original killer.


  • Ace Custom/Custom Uniform: In addition to their powers they wield special variants of some Grineer weapons, and each individual piece also has a stat modifier specific to that lich. Liches' appearance is also very personalised. Amongst other things, their left shoulder pad appears to be a warframe helmet - specifically, the one you used to kill them with the first time.
  • Affably Evil: Kuva Liches with the "Jovial" personality type. They're friendly to the Tenno and don't really hold grudges against them. They seem more like a Friendly Enemy than anything. Of course, they're still just as strong as any other Lich, so don't underestimate them.
  • Background Music Override: Have their own theme that plays when they invade a mission, plus a musical sting which plays whenever one of their thralls spawns into a mission.
  • Bandit Mook: Missions in areas where a Kuva Lich has political influence result in said Lich stealing some of the mission rewards; the only way to get them is to kill the Lich.
  • Contractual Boss Immunity: As with other bosses, they're immune to status effects and many Warframe powers.
  • Defeat Means Friendship: When you finally defeat a Kuva Lich, you have the option to convert them instead of killing them. This means you don't get their Ace Custom weapon, but they'll occasionally show up to help you during missions, and may eventually be able to help crew your Railjack in the future.
  • Elite Mook: They're essentially normal Grineer given Warframe abilities and the ability to survive fatal injuries. Additionally, they create "thralls" to populate their territory, which fit this role more closely: thralls are otherewise similar to normal Grineer units, but have extra damage resistance, are immune to crowd control, and require a Finishing Move to kill.
  • Evil Counterpart: They are essentially the Grineer answer to the warframes, possessing a form of immortality and their own versions of warframe powers, up to and including things like Nova's Molecular Prime (albeit renamed as Molecular Annihilation). They also use several unique powers, though, such as Leap.
  • Evil Is Petty: They're immortal supersoldiers who will conquer large swaths of the solar system, and relentlessly oppose the player until they're defeated. How? By stealing a fraction of your mission rewards and taunting you about it on the "mission success" screen. Gameplay and Story Segregation might be in play, but the fact that you get all of these rewards back when you finally defeat the lich implies that they aren't even doing anything with what they steal: they're just taking it to mess with you.
  • Expy: Of Nemesis Uruks from Middle-earth: Shadow of Mordor.
  • Grapple Move: They can grab and smash/toss around foes that get too close to them. This attack has a noticeable wind-up but it can't be blocked, and if they snatch you they will knock most health out of your warframe if not outright kill you.
  • Immortality Hurts: As they point out, just because fatal wounds normally just make them stronger doesn't mean they hurt less.
  • Luck-Based Mission: Killing enough thralls can tell you which Requiem mods you'll need to defeat a lich, but to learn what order you need to use them in, you'l have to try out each combination. And if you get it wrong, the Lich will level up, take over a new section of the star chart, and require you to hunt them down again.
  • No-Sell: They can only be killed if you have the correct combination of Requiem Mods in your Parazon. If you don't, they'll completely halt your offense, lift your warframe into the air and break its back over their knee (among other things). Notably, this is currently the only attack in the game that will instantly kill you, bypassing any chance of revival. Stalker used to be able to do this, but it seems he lost this power.
  • Procedural Generation: Each Lich is an entirely new character with their own set of abilities.
  • Quirky Miniboss Squad: An endlessly recruiting one for the Worm Queen.
  • Shmuck Bait/Nice Job Breaking It, Hero!: As of writing, it's possible for a relatively new player to create a Lich, provided they've gotten far enough through the main quest. When a Kuva Larveling spawns they get a red target marker on them, and a prompt to kill them with a Finishing Move, which a player can easily hit without thinking about it much... which will create a Lich that claims a section of the system map, and avert Villain Forgot to Level Grind by quickly escalating far beyond a mid-level player's ability to fight.
  • Shown Their Work: The "analytical" personality type will occasionally taunt you by saying that there are three solutions where you win, and four hundred and thirty nine that will result in your death. This is actually correct: There are 442 different Requiem sequences, and you have to get the right three to win.
  • Thanatos Gambit: All striking them down without the specific Requiem mods that counter their particular Kuva cocktail does is just allow them to copy another Warframe ability. Thus, they often end up taunting the Tenno in an attempt to fight, knowing they'll finally get rid of them or get stronger.

Others

    The Twin Queens 
https://static.tvtropes.org/pmwiki/pub/images/kweens.png
The Witch and The Worm
"Hush, Worm. Let the beasts do their work."
The Elder Queen

The matriarchal rulers of the Grineer Empire. The Sisters hail from the distant past of the Orokin Era. Despite being shunned and reviled and nearly killed from birth for being identical twins (and thus similar to Grineer slaves, very offensive to Orokin sensibilities), they were reluctantly employed by the Orokin to fight against the growing Grineer slave rebellions. Eventually, impressed with the strength they had as a familial pair, more and more Grineer (who were "identical, but not brothers") swore fealty to them until, it is assumed, they had an army under their command, with which they began their empire.


  • Abusive Precursors: They are Orokin, and the Elder Queen repeatedly mentions that she had some sort of hand in the creation of the Tenno and the Warframes.
  • Asshole Victim: No tears were shed when the Elder Queen is left powerless before the very child whose body she tried to possess and is either left to rot, silenced by Teshin who's freed from the Queen's control that he endured for so long, or killed by the Operator themselves.
  • Bad Boss: To an incredible degree. With the way they (judging from younger queen's gleefuly sadistic video addresses you can see aboard the Kuva Fortress) run things it's impossible to imagine anyone following them without being genetically hardwired to do so, as it is the case with the Grineer.
  • Big Bad Duumvirate: They terrorize or rule over the entire system and have ordered the complete extermination of all Tenno, so they are probably tied with the Sentient Hunhow for this position.
  • Body Surf: How they managed to survive from the Orokin Era, and what they plan to do to the Tenno Operator.
  • Born-Again Immortality: Unless the Villainous Breakdown of the Elder Queen said anything otherwise.
  • Cyborg: The younger-looking twin appears to be augmented to the point that her face actually resembles one of the Grineer masks.
  • The Caligula: The Worm Queen, especially when you interrupt her kuva-gathering. She orders any of her loyal soldiers left alive to report for immediate execution if they fail to stop you. "Capricious little shit" is the best description of her personality.
  • Cute Monster Girl: The Worm Queen both in her design and her child-like demeanor. She's essentially an antsy teenage cyborg bookworm clone. Kind of subverted, though, as apart from her girlish voice she's not actually very cute- in fact she's pretty damn ugly.
  • The Dividual: None of the Grineer have ever mentioned the two queens apart.
  • Evil Makes You Ugly/Body Horror: Due to their habit of Body Surfing, they currently reside in Grineer-made clone bodies, with all the ugliness that would imply. The younger one's face looks less than a face and more like a lump of flesh molded into the likeness of one, with glowing yellow lights plugged in where the eyes should be. Even worse, their lower bodies resemble snake or worm-like fleshy tails.
  • Evil Overlords/The Empresses: They are the unquestioned rulers of the Grineer, all of whom are genetically hardwired to obey them, and they preside over the pillaging and brutal fascist oppression of much of the Origin System.
  • Fairytale Motifs: Witches. The Kuva Fortress' two music tracks are titled The Witches' Lair and Red Broth and The War Within echoes a classical fairytale within Warframe's bizarre setting: An evil witch (the Elder Queen), motivated by vanity and greed, lures an unsuspecting child (the Tenno) into her lair (the Fortress). Magical potions (Kuva) are involved, and the child must pass a coming-of-age trial with the help of an elderly mentor (Teshin) in order to overcome adversity.
  • Faux Affably Evil: The Worm Queen specifically. She sounds inviting at first, but it's soon made very clear that she wants nothing more than to eat her next victim, whether it be the Tenno's Warframe, or the Grineer who fail to collect Kuva.
  • Final Boss: The older queen serves as the final opponent for The War Within.
  • Galactic Conqueror: They desire to "liberate" and "unify" the scattered colonies dotting the Origin System into their empire.
  • The Ghost:
    • Prior to The War Within, they had almost no direct presence in the game, with only two speaking lines demoting Vor to captain, no concept art whatsoever, and little involvement in the plot.
    • They are this in-universe too, as during the War Within quest the Lotus is actually surprised to learn that Teshin is taking the Grineer Queens seriously, as she had thought they were merely Grineer propaganda and didn't actually exist due to how neither of them have even appeared in person for anything, even diplomatic talks or transmissions.
  • Girlish Pigtails: The younger queen has these, made out of implanted cables.
  • God Save Us From The Queens: They are anything but reasonable, seeing as how the main strategy they employ is to throw Grineer soldiers at their problems until they go away, and one of the pastimes they enjoy is their "hunts", where their prisoners are hounded by Grineer Draks for their entertainment.
  • Grand Theft Me: How they, and in turn the Orokin, managed to live for so long. They subvert and crush the will of children and steal their bodies for themselves after their current one grows old. The War Within centers around the Older Queen, who's reaching the end of her 'Continuity', attempting to seize the Operator's body as her own.
  • Greater-Scope Villain: While all the Grineer ultimately serve them, they rarely involve themselves with their underlings' actions. As of The War Within, they start to become more active.
  • I'm a Humanitarian: The Worm Queen apparently has this appetite, seeing how a majority of her dialogue lines contain references and mentions of this.
  • Hoist by His Own Petard: The elder Queen loses her power over Teshin and either is killed on the spot or suffers a Fate Worse than Death, either by Teshin or Your Tenno, both of which she tried to manipulate.
  • 100% Adoration Rating: All Grineer love their "Kweens". The whole empire got started when they began to serve them out of sheer admiration. By the timeline of the game, apart for a few genetically-defective specimens all Grineer are unflinchingly loyal to them, to the extent that those who are not (like Clem and the defectors of the Steel Meridian) are not actually considered Grineer at all.
  • Killed Off for Real: Maybe. Probably not. Regardless of your choices,, the Elder Queen bites it at the end of The War Within questline whether you spare her or not because of her already failing health, once robbed of her opportunity to pull a Grand Theft Me. After the quest, the Worm's attempts to gather more Kuva seem to be for the purpose of healing or resurrecting her.
  • Last of His Kind: Downplayed. The Red Grineer Queen was suspected to be the last remaining living Orokin in the present setting, but she resides in the same status as Silvana (the Silver Grove), whose consciousness is also transferred into a non-Orokin body. Then Ballas showed up.
  • Lotus-Eater Machine: The Kuva Scepter, used to dig into a victim's psyche and plague them with grief to the point their persona is eaten from the inside. If successful, the user can forcefully insert themselves into the mindless victim in question.
  • Mind Rape: Like the Orokin, in order to transfer over to a new body, they have to do this to the inhabitant of their next vessel in order to be able to take control of their body.
  • A Nazi by Any Other Name: Like Councilor Vay Hek, but Up to Eleven. All Grineer uniforms associated to them are Red and Black and Evil All Over and order in their facilities are gray-colored and heavily totalitarian with scanners, mines, turrets and bunkers up on every brim. The Twin Queens are also effectively protected by the Praetorian Guard that are immune to any sort of damage until you unlock the full potential of Transference and break their guard.
  • Necromancer: The Worm Queen is the inventor of the process that created Kuva Liches.
  • Nice Job Fixing It, Villain!:
    • Several. Not only did the Elder Queen ordering the search of a new body allow the Tenno rise up to fend off the Grineer expansion, she engineered her efforts of bringing the Tenno to her into her own self-destruction.
    • Beginning the search for the Tenno only made the Lotus forcibly awaken them from cryogenic sleep.
    • Afterwards the recently demoted Vor is given only a small force, rather than the expected army, which is weak enough to not only allow the awakened Tenno to escape, but strengthen them rather than exterminate them.
    • By The War Within, the Lotus-Eater Machine that was meant to ruin the Tenno from within became a key to the Power Limiter that was sealing off the full range of the Tenno's void powers since the Orokin era.
  • Off with His Head!: At the climax of The War Within, if you allow Teshin to finish off the Older Queen after forcing him to work for her, Teshin will slice her head right off in one quick motion before she can escape.
  • Only Known by Their Nickname / No Name Given: Currently known only as The Elder Queen and The Worm.
  • Orcus on His Throne: They take a very hands-off management style to their empire, to the point where Lotus doubts they exist as more than a propaganda point of Grineer Command. In the lore, apart from demoting Admiral Vor to Captain and reprimanding Councillor Vay Hek for his failure to destroy the Tenno Relays, the Queens don't have much of a presence before The War Within. Subverted post Update 23, as the Worm Queen starts actively recruiting candidates for Kuva Liches.
  • Psychopathic Manchild: Despite being untold centuries old, the Worm has the voice and mannerisms of a bratty teenager.
  • Queen Mooks: Of the Kuva Guardians and Jesters.
  • Villain: Exit, Stage Left: When the Operator returns to the Queens' throne chamber and emerges from their frame, the Worm immediately turns tail and flees.
  • Was Once a Man: More specifically, they were once an Orokin, whose consciousnesses were inserted to Grineer bodies several times.

    Dr. Tengus 
A Grineer scientist who has a tendency for getting involved in experiments of questionable ethics.
  • Chronic Backstabbing Disorder: It was implied that Tengus saw the opportunity of using Vay Hek's money and resources to fund more of his gruesome experiments as he used Hek's "Good Host" play as a ruse to boot him out of commission. Unfortunately for him, the Twin Queens decided to spare Vay Hek and had himself strangled in Vay Hek's clutches after reviving him.
  • The Ghost: Haven't made a proper appearance in the game yet. We only know about his existence from other characters' mentions of him and from some of his intercepted letters, but we know neither what he looks nor sounds like. Finally makes an appearance in The Ascension comic.
  • Just Think of the Potential: First, he thought of the potential military applications of the Technocyte Plague. That went well. Then he thought of the potential military applications of three violently unstable elite soldiers. That worked out much better than the Infested.
  • Morally Ambiguous Doctorate: Apparently the Grineer have colleges. Gotta wonder what they're like if they produced this guy.
  • My Brain Is Big: His head is huge.
  • Never My Fault: The aftermath of the first Infested outbreak since the Sentient war (which was his fault, by the way) sees him attempting to lay the blame on the Tenno's shoulders. Possibly justified, considering the Twin Queen's likely reaction if he did confess.
  • Playing with Syringes: We've only seen him involved in two experiments: the creation of the Grustrag Three and the attempted weaponization of the Infested. The former was something of a success; the latter... wasn't.
  • Restraining Bolt: This is the guy you can "thank" for the invention of the Grustrag Bolt.
  • Torture Technician: Part of the conditioning of the Grustrag Three involved 'agony treatments.' Sound pleasant.
  • We Have Reserves: Well, he is Grineer, but notably his 'tests' with the Infested involved tossing groups of Marines into Infested containment pens and taking notes on quickly they died.
  • We Can Rebuild Him: He's the man responsible for Vay Hek's 'augmentations'.

    Clem 
https://static.tvtropes.org/pmwiki/pub/images/clem.png
Clem. Grakata.
"He's a special guy, you know. Little weird, but a hell of a fighter."
Darvo

A rogue Grineer marine who defected from service to the Queens and sided with the Tenno instead. Originally a joke fandom character, he was introduced into a proper canon as a part of a "Man of Few Words" quest.


  • Ace Custom: Both in origin and personal arsenal. Clem is surprisingly tough and armed to the teeth - his twin Grakatas can rip anyone to shreds a lot faster than just two Lancers.
  • Adaptational Badass: Clem originates as a joke character from a fan comic where he's depicted as a lovable but hopeless Tenno imitator. As an ally he's surprisingly powerful and useful.
  • Ascended Extra: DE previously stated in an off-hand Shout-Out that Clem had joined the Steel Meridian as the resident medallion trader. His quest, however, shows him being a contractor for Darvo (though he'll randomly show up in Steel Meridian's room too) and makes Clem much closer to the fan comics instead of just a generic Grineer.
  • Badass Adorable: Has only two words to say, is small but strong to match a sizable NPC squad, and his ending pose offers at least a minor glimpse into the antics that got him imprisoned in the first place.
  • Badass in Distress: The first mission of his quest has you rescuing him from a Grineer captivity. And while he's not on the same level as the player character, he's more than capable of dispatching enemies you encounter all by himself save for the Grustrag Three members you'll have to face, but that's forgivable.
  • Clone Degeneration: Excluding speech impediment, he's one of the few Grineer who invert this. Yes, he is a mistake of the Grineer, a clone race, yet can take on an army and can sponge a lot of damage before being downed.
  • Custom Uniform: Has a syandana on the back his suit of armour, a mask slightly crooked to the side, and a Latcher (a rolling robotic grenade) lodged into his pauldron.
  • Dangerous Deserter: No matter what else they are doing, Grineer always remind each other to "Get Clem!"
  • Defector from Decadence: Darvo mentions that once in a while Grineer mess up the cloning process, which results in troopers that aren't too keen on serving the Queens. Clem is one such "mess-up".
  • Guns Akimbo: With his signature Twin Grakatas.
  • It's Personal: After you retrieve his Grakatas, he asks for your help to get back at the guy who stole them from him - Vem Tabook, the leader of the Grustrag Three.
  • Odd Friendship: With Darvo. Despite the fact that the two are Grineer and Corpus (who generally hate each other), Darvo seems to be quite fond of him and is capable of understanding his gibberish. It probably helps that Darvo's often in trouble with the Corpus proper thanks to his shady business schemes.
  • Pint-Sized Powerhouse: The first thing you will notice about him when you see him in person is that he's tiny. This doesn't stop him from being quite the little powerhouse.
  • Pokémon Speak: His vocabulary consists of exactly two words, "Clem" and "Grakata". He uses them to convey any and all of his thoughts, and even his description is simply written as "Clem clem". Darvo understands him just fine.
  • Walk It Off: If enemies deplete his health during a mission he will be downed, prompting you to go and revive him like you would do with another player or a kubrow. However if you don't make it in time, he will recover on his own and get back to fighting with a token of health. There is no limit to the number of times this can happen - which gameplay-wise makes Clem effectively immortal.
  • Weapon of Choice: His custom Twin Grakatas which you help him retrieve after his captivity. In a Shout-Out to his original comic, he carries a Latron rifle before you get his Grakatas.
     The Kavor 
"Tenno... help us?
Kavor Defector

A faction of rogue Grineer introduced in "The Pacifism Defect" event, who serve as the centerpiece for Defection missions. They're pacifists who are attempting to defect from the Grineer military to live peaceful lives... but unfortunately the Tenno tend to them as the last survivors of ships being overrun by the Infestation, who need to be escorted to safety.


  • Actual Pacifist: What they would've been if not for the Infested attacking their ships.
  • Badass Pacifist: They want to escape the Grineer war machine and retire peacefully, but they are soon-to-be-ex soldiers, and are encountered fending off a shipboard Zombie Apocalypse. Averted, however, in that they're hoping to retire rather than join the Steel Meridian.
  • Baleful Polymorph: Letting a defector run out of health does not kill them, instead they immediately transform into a hostile Infested Charger.You can easily tell these chargers from the rest as they are coloured white, the colour of the Kavor armour.
  • Beauty = Goodness: To some extent: they share the same weathered facial features as regular Grineer, but seem to have much fewer cybernetic limb replacements — notably, they seem to be the only Grineer with intact feet.
  • Berserk Button: They are one for Sargas Ruk, who goes out of his way to track them down and eradicate them.
  • Complaining About Rescues They Don't Like: Some of their lines indicate that just because they defected from the Grineer they don't automatically think of the Tenno as friends. They do move beyond that if you manage to successfully get them out.
  • Escort Mission: The basis of your interaction with them. They can defend themselves to some extent, and the will heal themselves at "healing stations" along their evacuation path... but unlike Rescue targets they do need to be babysat along the way.
  • In the Blood: Their pacifistic tendencies are explained by a genetic anomaly that is usually curbed out during the cloning process.
  • I Will Only Slow You Down: Say lines to this effect when close to death.
  • Light Is Good: They wear white uniforms, in contrast to the standard Grineer greens and browns.
  • Living MacGuffin: The Red Veil consider them this, and will attempt to kidnap them out of Defection missions in the hope that experimenting on them will reveal a way to inflict their pacifism on the Grineer as a whole.
  • Reluctant Warrior: They hoped to swear violence off completely after their defection, but are forced to take up arms when the Infestation attacks their ships.
  • "Shaggy Dog" Story: Partially: despite all the work you did to rescue them from the Infested, during the "The Emissary" event, some Kavor are shown among the crowd of Arlo's devotees willingly Infesting themselves... though this may also be a symptom of Only Six Faces, as there are only so many distinct civilian models in the game.
  • Shell-Shocked Veteran: The Kavor defected from the Grineer service after they could no longer stomach participating in more violence and atrocities, and escaped to live lives of complete peace. Some of their lines during their missions hint that they may be suffering from a form of PTSD, if their pacifism is not an extension of that in the first place.
  • Zombie Infectee: There's no indication that they're contagious, but they'll take steady damage over time from the Infested spores on the ship, and if a defector dies during the mission they'll into an Infested Charger.

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