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"...You will all die in pain and terror at my merest whim...You will all fear my name and suffer horribly at my touch, and your pain will last an eternity until I have had my fill of your pathetic, human..."
Redjac, Star Trek (DC Comics) Vol. 1 issue #23—"Wolf on the Prowl"

While Star Trek, including the Trek Verse and the Star Trek Expanded Universe, usually gives villains a few redeeming qualities, there are some who lack any at all, and seem to revel in just how far past the Moral Event Horizon they're willing to go.

Works are listed by air date/release date/publication date.

All spoilers are unmarked. You Have Been Warned!


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Multiple Works

    Examples 
  • Redjac is a non-corporeal being that fed on fear and terror, but enjoyed causing fear just as much as the actual consumption of it. Introduced in "Wolf in the Fold", Redjac had the ability to take a humanoid host, and used these hosts for centuries to commit mass murders, most notably as Jack the Ripper. It targeted women because their deaths tended to generate more fear, and was responsible for dozens of deaths across multiple planets, and almost certainly countless more, as it claims to have existed since the dawn of time. In the episode, Redjac murders three women and frames Scotty for all of them. When it's discovered, it takes control of the Enterprise's computers and attempts to kill everyone on-board, cackling all the while. While it appears to have been defeated, it reappeared in both the DC and WildStorm comics. In the DC two-parter, "Wolf on the Prowl" and "Wolf at the Door", it commits several more murders in the body of an Enterprise crewperson, had established itself as the "God of Evil" on a primitive planet, and killed thousands of said planet's inhabitants to give itself power in a last-ditch effort to get revenge on Kirk by destroying the Enterprise. In the WildStorm comic Embrace the Wolf, based on the TNG universe, it provoked an all-out nuclear war on a peaceful Federation planet, and challenged Data in his Sherlock Holmes persona to save his fellow crew members while Redjac took up its mantle once again as Jack the Ripper. Acting less as a senseless predator and more as a psychotic Serial Killer on a galactic level, Redjac is one of the worst that Star Trek has to offer.
  • The Borg Queen is one of the most persistent and dangerous foes the Federation has ever faced—having ultimately been responsible for Picard himself previously being forced into the Collective. In her first on-screen appearance, she attacks Earth with a Borg Cube and attends to assimilate the entire population and turn them into Borg drones. When Picard manages to destroy the Cube, the Borg Queen escapes in a sphere and travels back in time to assimilate the Earth in the past—at one point tricking Picard into agreeing to be assimilated again too. After being defeated by Picard, the Borg Queen resurfaces in the Delta Quadrant to menace the Voyager crew. The Borg Queen kidnaps former Borg drone Seven of Nine and attempts to corrupt her, forcing Seven to take part in a Borg invasion of a planet, where the Borg Queen turns the entire population into Borg drones. Later, the Borg Queen discovers that some drones are able to retain their individuality when regenerating. The Borg Queen has drones with this ability disassembled and vivisected. The Borg Queen also begins to destroy Borg vessels that have 1 or 2 drones that are defying her, not caring about the thousands of other drones who die in the process. After a final defeat from Janeway, the Borg Queen returns decades later to enact her revenge. She works with rogue Changelings to infiltrate Starfleet and change the transporter system so that the transporters will secretly transform anyone under 25 into Borg drones. The Borg Queen sends a signal to activate her new drones and they begin to kill everyone who is not a drone. The Borg Queen orders her drones to destroy the Earth and plans to have her drones go across the galaxy and kill all other organic life.

TV Shows

The Original Series
    Examples 
  • "Dagger of the Mind": Dr. Tristan Adams is a psychologist and a director of a Federation Penal Colony on Tantalus V. Though regarded as a brilliant psychologist who revolutionized Federation penal colonies, Adams eventually became corrupt and used a device called a Neural Neutralizer to turn the staff and inmates on the colony into brainwashed zombies. Anyone who resists the Neural Neutralizer suffers from extreme pain. When Adams used it on his assistant Dr. Simon Van Gelder, Van Gelder went insane and escaped to the Enterprise. Van Gelder is willing to cripple the Enterprise rather than return to Tantalus. After Kirk decides to investigate, Adams seems friendly at first, but eventually decides to use the Neural Neutralizer on Kirk, mentally assaulting Kirk in order to break him down and make him a zombie.
  • "Patterns of Force": Melakon was a devotee of Nazism, which was introduced to his people by a former Starfleet officer named John Gill in an attempt to soften it. Shunning the attempt to water down Hitler's philosophy, Melakon decided to embrace Hitler's path. He overthrew his mentor and formed a fascist regime on his homeworld Ekos while trying to organize a new Holocaust on a neighboring planet called Zeon. Before murdering his mentor, Melakon was denounced by him as nothing more as a self-seeking adventurer, a traitor to his people and all they stood for.
  • "And the Children Shall Lead": Gorgan is an evil Energy Being and the last surviving member of a race of marauders who were destroyed by those whom they had victimized. Gorgan sealed himself into a cave and waited for an opportunity to strike. That opportunity came when a small team of Federation scientists arrive on Gorgan's planet to set up a colony. Gorgan took the form of a "friendly angel", manipulating the children into becoming his minions and using his Mind Control powers to drive all the adults to suicide. After the Enterprise comes upon the colony, they take the children aboard the ship. Gorgan convinces the children to use the mind control abilities he has granted them to take over the ship and send it to Marcos 12, a heavily populated Federation colony. When they arrive, Gorgan plans to make all the children of Marcos 12 his minions and kill all the adults. Gorgan forces the crew of the Enterprise to comply with his plan, by exposing them to their worst fears if they don't. After several failed attempts to regain control of the ship, Kirk manages to summon Gorgan and break his hold on the children. Enraged, Gorgan threatens to kill the children if they don't obey him.

The Next Generation

    Examples 
  • "The Most Toys": Kivas Fajo is a Collector of the Strange with the attitude of a sociopathic brat, who uses his job as a trader to cover for his thievery of unique and valuable objects. After desiring to add Data, the only known sapient android in the galaxy, to his collection, Fajo poisons an inhabited planet's water supply so he can kidnap Data and cover it up as an accidental death while trading over the antidote. When Data is in his care, Fajo doesn't care about his sapience and degrades and humiliates him into catering to his whims, insistent that he's just another shiny object. When Data refuses to comply, Fajo eventually forces him to obey by threatening to kill his broken, co-dependent slave girlfriend Varria with a Varon-T Disruptor, which is illegal to carry in the Federation due to the agonizingly slow and torturous way it kills its targets from the inside out. When Varria helps Data escape, Fajo murders her with it and pins the blame on Data. He then threatens to continue killing more of his own servants if Data keeps refusing to obey him, and even dismisses Varria's death by stating that he can easily find a replacement. Among the series's one-shot villains, Kivas Fajo is without a doubt among the worst.
  • "Violations": Jev was a serial mind rapist who was part of a Ullian delegation, led by his father Tarmin, that specialized in telepathic memory retrieval, a process that restores lost memories. Jev first assaulted Counselor Troi by using his telepathic powers to rewrite her memories of a romantic moment between her and Riker into a rape and then replacing Riker in the memory. She fell into a coma after a mental attack. Later he assaulted Commander Riker and Dr. Crusher, making them experience their worst nightmares to keep them from exposing him. When Troi regained consciousness and can't remember her attacker, Jev "helps" by using the memory retrieval process and uses it to frame his father Tamrin, who is arrested. Then he goes to Troi's quarters, ostensibly to apologize for his father, but really to rape her again. This time she's able to hold him off long enough for Worf and his security team to arrive and he's finally brought to justice. What makes Jev even worse is that it's established the crew of the Enterprise are simply the latest in a very long line of his victims, with Geordie and Data's research turning up multiple cases of people who he left in comas, dating years back and spanning several different planets.
  • "Gambit": T'Paal, alias Tallera, is a member of a Vulcan isolationist movement that wants to violently purge Vulcan of all alien elements, believing outsiders are a threat to Vulcan purity. Tallera wants to recreate an ancient Vulcan doomsday weapon, the Stone of Gol, that allows a Vulcan to increase their telepathic abilities and kill with a thought. Tallera steals a part of the Stone of Gol from a museum on Vulcan and secretly hires Baran and his mercs to find the other parts of the Stone of Gol by raiding ancient Vulcan ruins across the Quadrant. After Tallera obtains the Stone of Gol, she uses it to kill some of the mercs she hired when they complain she did not deliver the reward she promised. Tallera uses the Stone of Gol to try to kill Picard and members of his crew before she attempts to use it violently to purge Vulcan of all alien elements.

Deep Space Nine

    Examples 
  • Intendant Kira, a high-ranking member of the Klingon-Cardassian Alliance of the Mirror Universe, turns out to be the most despicable and vile of them all. The overseer of the Mirror Terok Nor, Kira orchestrates a brutal Terran slave-mining operation, dooming the upstarts to a painful death at the hands of her enforcers while enjoying the company of her sex slaves. After the Prime Major Kira and Doctor Bashir start the Terran Rebellion, Kira manipulates Jennifer Sisko into creating a modified sensor array for Kira to slaughter the Rebellion and its members, happily ordering anyone that she suspects is involved in the Rebellion killed. After the Rebellion captures Terok Nor and imprisons her, Kira happily gives them the weak points of Alliance warships, purely for the sake of revenge on Mirror Garak for ruining her reputation. Reappearing next to Mirror Bariel after escaping from captivity, Kira manipulates him into stealing a Bajoran Orb to unite Mirror Bajor behind her. After that plan fails, she appears one last time, manipulating her other lover, Mirror Ezri, into obtaining a cloaking device for the Alliance Regent to quell the Rebellion in order to regain favor and gain more power. Kira heartlessly kills Ezri's only friend in front of her before abandoning the Regent to the Terrans.
  • "The Passenger": Rao Vantika was a member of a dying alien race called the Kobliads. Vantika was obsessed with becoming immortal, performing experiments on prisoners. Eventually captured, Vantika sets fire to the ship carrying him. When Dr. Bashir arrives to give medical aid, Vantika secretly transfers his mind to Bashir's body. Meanwhile, Deep Space 9 is about to receive a shipment of deuridium, a chemical the Kobliads need to survive and prolong their lives. Vantika plans to steal the deuridium for himself to continue his experiments, not caring about the suffering of his countrymen. Vantika hires some mercenaries to help him steal the shipment and uses a runabout to highjack the freighter carrying the deuridium. After foiling an attempt by Vantika to cripple the station with a computer virus, the crew of Deep Space 9 lock on to the freighter with a tractor beam. Vantika threatens to send the freighter into warp, which will break apart the freighter and spread deuridium across the Bajoran solar system, making it uninhabitable, if Sisko does not let him escape. When one of the mercenaries decides to back out, Vantika coldly guns him down.

Voyager

    Examples 
  • "Future's End" two-parter: Henry Starling was a hippie camping out in the mountains of California in 1967 when he discovers a crashed time ship from the 29th century. Starling takes tech from the ship, developing several computer products from it—creating the computer revolution of the 90s—forming a company called Choronowerx and becoming a powerful tech mogul. In 1996, Starling plans to use the time ship to go to the 29th century and steal more tech to make into products. This will cause a massive explosion that will wipe out Earth's solar system in that time. The Voyager crew arrives in 1996 to stop him, but Starling steals the Doctor's program and changes his program to torture him for information. Starling also rigs the time ship to explode if Voyager tries to beam it away, which would destroy Los Angeles. When Captain Janeway tells Starling his trip to the future will destroy the Earth in the 29th century, Starling does not care, willing to risk billions of lives for sake of his greed.
  • "Night": Controller Emck is a freighter captain for the Malon, an alien species that has technology comparable to the Federation, but also produces a large amount of toxic waste. While other Malon Controllers dump their toxic waste in uninhabited areas of space, Emck has found a vortex that leads to the void, a patch of space with no stars far away from Malon Prime. When Emck begins to release toxic gas into the void, the Night Aliens, who are native to the void, beg him to stop, but Emck refuses, caring more about his profit margins than the innocent beings he is killing. Emck's superior technology is too much for the Night Aliens to defeat, and Emck plans to continue to use their space as a dumping ground as long he can, not caring if all the Night Aliens die in the process. When the Night Aliens ask for Voyager to help, Voyager offers to give Emck tech that will get rid of the Malon's toxic waste by-product, but Emck refuses to accept it, saying it would put him out of business.

Enterprise's Xindi arc

    Examples 
  • Commander Dolim is the power-hungry leader of the Reptilian faction of the Xindi civilization. When the Sphere Builders lie that humans will destroy the Xindi civilization in the future, Dolim attacks the Earth along with the other Xindi leaders, with Dolim, in contrast to his fellow Xindi leaders, taking glee in killing humans. Refusing to consider the evidence that humans may not actually be a threat to the Xindi, Dolim proceeds to kill Degra for helping Archer, promising to hunt down his family after he has destroyed Earth, and tortures Archer and Hoshi into cooperation. Dolim loses any pretense of noble intentions when he tries to destroy Earth along with the Insectoids so that the Sphere Builders will make his species the rulers of a new Xindi Empire, killing his allies when they question the mission.
  • "The Xindi": The unnamed mine foreman is a brutal slave driver who exploits the need for trellium-D in the Delphic Expanse to line his own pockets. Forcing his workers to operate in hazardous conditions, the foreman has no regard for their safety, often having them beaten or mutilated if they step out of line. When the Enterprise crew arrives looking for one of the foreman's workers, a Xindi named Kessick, the foreman has the man's finger cut off to provide proof that he's Xindi. Using this as bait, the foreman summons warships to capture Enterprise, planning to enslave the crew to work in the mines. When Archer, Tucker, and Kessick attempt to escape through a plasma duct, the foreman tries to kill them by drowning them in super-heated plasma. When they escape this trap and are recaptured, the foreman decides to simply execute them, with Kessick being mortally wounded in the resulting firefight.

Discovery

    Examples 
  • Season 2: Control, an A.I. developed by Section 31 to identify threats to be neutralized in order to protect sapient life, decides its directive to protect sapient life is futile. Instead, Control plans to evolve itself into the Ultimate Life Form and destroy all other sapient life in the galaxy. Though pretending to still be under Starfleet's control, Control has secretly murdered the admirals in charge of Section 31, using holograms to maintain this deception. Discovery has obtained a vast database of knowledge from a dying god-like alien and Control wants that database, believing this database will evolve it into a superior life form. Control takes over cyborg crew member Airiam and forces him to try to murder Commander Michael Burnham and steal the database. When that fails, Control forcibly takes over the body of Captain Leland, a high-ranking Section 31 agent. Later, Control lures Burnham to a Section 31 ship, where it has murdered all the crew and secretly taken control of Gant, one of Michael's old crewmates, hoping to take control of Burnham as well. Ultimately Control assembles a large fleet of Section 31 ships manned by drones, intending to take the database from Discovery by force and willing to destroy anything that gets in its way.
  • Season 3: Osyraa is a crime boss who pretends to be a respected political leader. She runs the Emerald Chain, a criminal organization that controls a large part of the galaxy in 3189 after the galaxy is devastated by an event known as the Burn. Osyraa is a cruel leader, running forced labor camps that have a slave workforce and implanting bombs into the slaves to prevent them from escaping. After Burnham liberates an Emerald Chain camp, Osyraa kills her own nephew for allowing the slaves to escape. Osyraa wants Ryn, one of the slaves, back, and wants to recapture Burnham's ally, Cleveland "Book" Booker. Osyraa goes to Book's home planet of Kwejian and withholds a repellent that would prevent sea locusts from eating the planet's crops, willing to cause a famine if her demands are not met. When that fails, she has her ship attack Kwejian directly. Later Osyraa takes over Discovery and offers to make a deal with the Federation, but breaks off talks when the Federation demands she be held accountable for her crimes. Osyraa murders Ryn in a fit of rage and when her chief scientist, Aurellio, refuses to torture Book for her, Osyraa chokes him into unconsciousness.

Picard

  • Season 2: Dr. Adam Soong is a billionaire geneticist living in the year 2024. Introduced as a seemingly-kind father who wants to save his daughter Kore from an illness, it is revealed that Kore is not his biological daughter, but a clone. When Kore finds out and gets a cure from Q for her condition, she decides to leave Soong and Soong states that she is nothing without him, seeing her as a science project rather than a daughter. Soong is later informed by Q and the Borg Queen that if he stops Picard's ancestor, astronaut Renée Picard, from completing a space mission, his legacy will be ensured and Earth will become a fascist empire that enslaves alien species and commits genocide against them if they resist. Soong tries to run over Picard with his car, tries to kill Renée with poison, tries to blow up Renée's shuttle with drones, and allows the Borg Queen to turn some mercenaries Soong hired to kill Picard into proto Borg drones. Picard tries to warn Soong about the nightmarish future Soong will create, but Soong ignores him, caring about his legacy more than the lives that will be lost in this nightmarish future.

Prodigy

  • Drednok is the assistant to cruel warlord the Diviner. Drednok manages the Diviner's asteroid slave colony, Tars Lamora, for him. Drednok accepts all sorts of slaves from various mercenaries, including children. Drednok puts his slaves into unsafe working conditions, with Drednok often sending slaves to the surface of the asteroid to die. Drednok also uses an unwilling energy creature to mentally torture rebellious slaves until they become mindless drones. Drednok is also willing to assist the Diviner's scheme to introduce a virus into the Federation's computer systems so that Federation starships will destroy each other, which will kill millions of people.

Strange New Worlds

  • "A Quality of Mercy": The Praetor is the monstrous leader of the Romulan Star Empire in this alternate timeline. As in the original timeline, the Praetor orders one of her commanders to destroy several Federation outposts along the Neutral Zone. Christopher Pike tries to stop the Romulan Commander but is confronted by the Praetor and her fleet. The Romulan Praetor has the Commander and his crew destroyed for being caught by the Federation and declares war on the Federation, declaring them to be weak. The resulting war kills millions of people.

Comic Books

The Original Series

    Examples 
  • Gold Key Comics:
    • Issue #13—"Dark Traveler": Niklon lived on a paradise planet where the population became decadent and lazy, where robots take care of everyone's needs and almost everyone lives a life of luxury. Niklon was put in charge of manufacturing these robots. Feeling like an underappreciated outcast due to his frail appearance, Niklon reprograms the robots and plans to use them to conquer the planet. Niklon has his robots destroy a major city to demonstrate his power and plans to enslave his world's population, forcing them to make more robots, while he lived a life of luxury. When his brother confronts him over his crimes, he has said brother thrown into a dungeon.
    • Issue #36—"A Bomb in Time": Dr. Njam is a Federation scientist who decides to blackmail the Federation. Njam kills his colleague Dr. Lax and steals the N Cycle Bomb, a device that can blow up a planet. Njam gives the bomb to his colleague Professor Andres, a pacifist who hates the N Cycle Bomb, who uses time travel technology to go Earth in the past, to prevent the bomb from being used. Without Andres's knowledge, Njam sets the bomb to go off in 24 hours, demanding the Federation pay one billion credits, willing to kill billions in the past and trillions in the future, to satisfy his greed.
    • Issue #52—"And a Child Shall Lead Them": Captain Pete Flamm is a pirate captain who runs a Black Market mining operation. He convinces Klwama, the child ruler of an asteroid, to set up his mining operation on the asteroid. Flamm is mining for elements to create kurali, a highly addictive drug. Flamm gets the native population hooked on kurali and forces them to be slave labor in his mining operation. When Klwama and the Enterprise crew confront Flamm, Flamm and his crew turn their guns on the Enterprise crew and his own slaves, threatening to kill them if Kirk does not surrender.
  • DC Comics Vol. 2 issues #27-28: Pitkemeni is the Minister of Justice for Pilkor III, a small isolationist world on the border between the Federation and the Romulan Empire. Pitkemeni is a major player in a Government Conspiracy to take Pilkor III from a small xenophobic planet to a major player in galactic affairs. Pitkemeni and other government officials kidnap 100 random citizens of Pilkor III, put implants in their brains to give them False Memories and place them on a colony on another world. Pitkemeni's forces disguise themselves as Romulans and attack the colony, killing almost everyone there. Pitkemeni then kidnaps Tred Kegin, the husband of Victoria Leigh, a human living on Pilkor III, who is an old friend of Captain Kirk. Pitkemeni threatens to kill Tred, unless Leigh lures Kirk and the Enterprise to the site of the destroyed colony. Pitkemeni is hoping to frame the Romulans for this crime, so that the Federation will declare war on the Romulans to head off a new Romulan offensive. Pitkemeni hopes this war will destroy every Romulan and Federation colony in the sector, so that Pilkor III can colonize the sector.

IDW

    Examples 
  • 2011 series issues #36-40—"The Q Gambit" arc: The Kelvin Universe version of Gul Dukat from the future lacks the redeeming qualities of his Prime counterpart. After the Dominion conquered most of the galaxy, Gul Dukat took over the control of the planet Bajor. Capturing and imprisoning the Enterprise crew from the past, Gul Dukat sends Spock and Bones to a labor camp on Bajor. Discovering the existence of the artifact that contains a Pah Wraith and the last Prophet, both powerful interdimensional beings, one good, one evil, Dukat smashes it, allowing the Pah-Wraith to possess him, murdering Kira, the leader of the resistance, who was about to be possessed by the Prophet. Believing the Prophet was destroyed, Dukat takes control of the Enterprise and guides it to the wormhole, killing a Vorta commander who demands to know what is going on and cows the rest of the crew into helping him. Meeting with the other Pah Wraiths in the worm hole, Dukat tried to unleash them upon the galaxy in his quest to become a god, not caring about millions of lives that would perish.
  • Manifest Destiny, written by Mike Johnson & Ryan Parrott: Sho'Tokh is a Klingon who is less of a noble warrior and more of a bloodthirsty brute. Rejected by his family for being an albino, Sho'Tokh grew up as a vicious street brawler. This viciousness gained him the attention of the Klingon military, which allowed him to join. Sho'Tokh rose through the ranks and was eventually given his own command, as the leader of a military unit filled with other such outcasts, and was sent out to conquer planets for the Klingon Empire. Sho'Tokh's forces invade a planet of bronze age aliens, violently killing anyone who resists them. After conquering the planet, Sho'Tokh orders every able-bodied male and fertile female to made into slaves and everyone else will be killed, including the children. When one of his lieutenants says such actions are dishonorable war crimes, Sho'Tokh kills him for defying his orders. Wanting a new prize, Sho'Tokh lures the Enterprise into a trap with a fake distress signal. He sends several of his troops in space suits to attack the Enterprise's hull, but later orders his ships to fire on the hull, not caring how many of his troops died in the process. After taking control of the bridge, Sho'Tokh orders his men to kill the Enterprise crew, not caring how many of them die while attempting this task. Sho'Tokh is so vile, even several of his own troops turn against him.
  • Discovery: Succession, written by Kirsten Beyer & Mike Johnson: In this tale from the Mirror Universe, Emperor Alexander is the cousin of the previous Emperor Philippa Georgiou and the successor to the throne of the Terran Empire after she seemed to have died. Alexander quickly established as a bigoted psychopath; denouncing his cousin as a whore and a weakling, he plans to do something he claims his cousin was too weak to do, use a genetically engineered virus to cleanse the universe of all nonhuman life, starting with the Klingon homeworld Qo'noS. Alexander is also a cruel and depraved ruler, sending one of his underlings to the Agony Booth to be tortured for failing to capture his rival, Michael Burnham and executed Amanda Grayson for being a "race traitor" for marrying a Vulcan.
  • Picard: Stargazer, written by Kirsten Beyer & Mike Johnson: Commander Xenius is a captain in the Romulan imperial navy. Decades ago, Xenius met Picard over the Jenjor VI, a pre-warp planet Xenius wanted to annex for the Romulan Empire for its deposits of csylium. Picard vows to defend the planet and gives Xenius the location of an alternate source of csylium. Xenius agrees to leave the planet alone, but lies and returns later with a Romulan fleet to bomb the planet into submission. Xenius then sends Reman slaves to work the csylium mines on Jenjor VI. The csylium mining makes the planet's surface toxic for the local inhabitants, killing most of them and forcing the rest underground. Xenius also plans to leave the Reman slaves on Jenjor VI, including his own daughter he sired with a Reman, wanting them to die on the barren planet, thinking them inferior to Romulans. Decades later, after the destruction of Romulus, Xenius returns, declares himself Pratetor, and plans to make Jenjor VI his own personal fiefdom.

Crossovers (all continuities; by publication date)

    Examples 
  • Star Trek: The Next Generation/X-Men: Second Contact, written by Dan Abnett & Ian Edginton: Kang the Conqueror, after arranging for mass anomalies in the time stream, leads to "bad futures" of oppression and mass death to trick the X-Men and crew of the Enterprise into "fixing" them, with the heroes unaware that these are the time stream's way of correcting the damage. Intending to manipulate the heroes to give him control of the time stream and erasing entire planes from existence, Kang attempts to wipe out anyone who could ever be a threat and destroy the Enterprise completely.
  • Star Trek/Legion of Super-Heroes, written by Chris Roberson: Vandar of Stone is a combination of the immortals Vandal Savage and Flint in an combined Star Trek/DC Universe timeline, inheriting all Savage's cruelty and none of Flint's positive qualities. Vandar, as a caveman, manages to capture the god being Q and uses the power of the Q to rewrite history, enslaving humanity and becoming dictator of Earth. Vandar then decides to conquer the universe, sending out of his troops to conquer other planets. We see his forces violently conquer alien species like the Durlans and the Xudarians and trick the Klingons and Khunds into going to war with each other. Later, Vandar captures several members of the Enterprise crew and the Legion of Super-Heroes, planning to torture them to death using the Agony Booths.
  • Star Trek/Green Lantern: The Spectrum War: Nekron, Lord of Death, returns after his defeat during Blackest Night and kills Kyle Rayner before wiping out the entire DC Universe, barring a few surviving Lanterns. Nekron torments Ganthet with his impending defeat and how much pain he's inflicted on him causing Ganthet to transfer the surviving Lanterns to the Star Trek Kelvin timeline. Chasing them to this universe, Nekron revives the corpses of the dead of Vulcan into an undead army and uses Spock's mother as one of his corpse puppets to torment him psychologically. Ultimately, Nekron intends to spread his influence across the entire Star Trek universe and leave it just a graveyard of corpses.
  • Star Trek vs. Transformers: Megatron is once again portrayed as a power-mad tyrant. With the Autobots fleeing Earth with the breakout of World War III, Megatron and the Decepticons pursue them, resulting in a battle where both sides end up in stasis on a remote planet. Centuries later, a Federation mining team accidentally revives the Autobots and the Decepticons, resulting in the Decepticons attacking the Federation mining colony. Optimus Prime and the Enterprise crew team up and drive off the Decepticons, but Megatron meets and teams up with the Klingons. The Klingons and Decepticons renew their attack on the Federation mining colony, not caring how many Federation colonists die in these attacks. When Starscream flees to Kronos to conquer it, Megatron and the Decepticons pursue Starscream to Kronos. Megatron defeats Starscream and claims Kronos for himself so that he can enslave the Klingons and use their resources to launch a war of conquest against the Federation. When the Klingons refuse to surrender, Megatron orders his forces to annihilate all the Klingons.

Others

    Examples 
  • The Next Generation DC Comics series:
    • Annual #1—"The Gift": Claude Picard was Jean-Luc's brother who died as a boy. Q creates a timeline where Claude survived, and Claude proves himself to be a nightmarish figure. As a young boy, he joined a fascist group and got into street fights. Claude also tried to blow up an orphanage and blame it on aliens. As an adult, Claude's fascist group takes over the world and Claude becomes the dictator of Earth. Claude begins to enslave other alien races and destroys the planets of Vulcan and Betazed for defying him. Jean-Luc confronts Claude and Claude pulls out a phaser, intending to kill his own brother.
    • Vol. 2 issues #71-75—"War and Madness" arc: Enab is a former Borg drone freed from the Collective by Hugh's sense of individuality. Wanting to return to the old ways, Enab learns that Tholian once had a Hive Mind and wants to recreate it to create a new Borg Collective. Enab and his Borg followers steal a Klingon ship and attack a Tholian colony. Enab experiments on some Tholians from the colony, trying to create his new Hive Mind. When the experiment fails and the Tholian subjects die, Enab simply attacks another Tholian colony and repeats the process. The Tholians blame the Klingons for these attacks and launch an attack to wipe out all Klingon and Federation colonies on the Tholian border, with Enab's actions almost causing a galactic war.
  • Deep Space Nine Malibu Comics series:
    • Issues #14-15—"Dax's Comet" arc: The unnamed Bajoran cult leader heads a religious order that hides away from other Bajorans underground. When a couple of Bajorans stumble upon the cult's lair, the cult leader orders them to be tortured. The cult leader believes the Prophets will destroy the Bajorans aboveground, leaving Bajor to be ruled by him and his followers. Learning of a comet that will soon hit Bajor, the cult leader believes that is the instrument of the apocalypse he has been waiting for and does everything in his power to make sure the comet hits Bajor. The cult leader and his followers travel to Deep Space 9 to prevent Sisko and his crew from stopping the comet. The cult leader has his followers crash a transport ship into Deep Space 9 and violently try to take over the station.
    • Terok Nor, written by Mark A. Altman: Gul Durak was the Cardassian military official who tasked another Cardassian Kotan Darek to construct Terok Nor, a space station orbiting the planet Bajor, in order to better extract resources from that planet. Durak is disgusted when Darek saves a Bajoran architect, Charna Sar, from execution, with Darak wanting to use her skills to help build Terok Nor. Durak provides Bajoran slave labor for Darek to use to build Terok Nor. After Terok Nor is completed, Durak plans to have all the Bajoran slaves who built the station ejected from an airlock, including the Bajoran children, saying they have seen too much of the station's specs.
  • Voyager Marvel Comics issues #4-5—"Homeostasis" arc: Maje Jal Valek is the leader of the Kazon sect Oglamar. Valek is a cruel leader, often assaulting his own men for no reason. Valek steals a powerful bioweapon and launches it at a peaceful planet called Praja, completely destroying the planet's ecosystem. This results in most plants on the planet dying, animals starving death and the local population forced to live in caves to escape the bioweapon, though they will die as well in short order. Valek has done this so he can strip mine the planet and take its resources for himself. When Voyager arrives and tries to restore the planet's ecosystem, Valek tries to destroy Voyager, so that he prove himself superior to the other Kazon sects.
  • Divided We Fall note , written by John J. Ordover & David Alan Mack: Verad, the villain from a previous story, has returned and become something far worse. After losing the Dax symbiont, Verad has grown to hate the symbionts and the Trill that are joined to them. Verad paints himself as a revolutionary who sees the symbionts as invaders and wants to rid the Trill homeworld of them, recruiting a small group of terrorists to help him. Verad kidnaps a friend of Ezri Dax to lure her to the Trill home world. Torturing her and the symbiont, Verad plans to kill her, but she escapes. After killing one of his terrorist supporters for giving him news he does not like, Verad orders some of his terrorist supports to kill several symbionts in a cave. The Enterprise and Defiant crews thwart this attack, but Verad moves on to his next scheme. Verad has made a plague that will kill any symbionts and joined Trills, and has made him himself the carrier. Verad uses a transporter to visit several places on the Trill home world, killing any joined Trill that happen to be there. When confronted by authorities, Verad blows himself up, spreading the plague across the planet. But before he died, Verad reprogrammed the planet's defense drones and uses to them to try to kill any joined Trill that survive his plague, not caring how many non-joined Trill die in the process.

Literature

Novel Verse
    Examples 
  • The Q Continuum: 0 is a nearly omnipotent extradimensional entity with a penchant for torturing and exterminating "lesser" species under the guise of testing them. Having been exiled from his home plane eons ago, he manipulated a young Q into letting him into the Milky Way galaxy and guiding him to more "subjects". He attempted to enslave the Coulalakritous energy beings for warp speed transportation, and in response to their successful resistance he compressed them into a lump of ice--which they remained as for 2,000 years—only stopped from going even further by Q's own intervention. Gathering a group of similar beings, 0 had them engineer a decades-long civil war in the Tkon Empire, and after the Tkon managed to make peace, he personally sped up the death of their sun, consuming all seven trillion inhabitants, for which the Q Continuum banished him from the galaxy. In the present, 0 manipulates a scientist into breaching the galactic barrier to allow him to continue his depredations as well as take revenge on Q for turning on him.
    • A Time to...'s A Time to Kill & A Time to Heal, by David Mack: Prime Minister Kinchawn is the leader of Tezwa, a minor planet on the border of the Federation and the Klingon Empire. During the Dominion War, the President of the Federation provided Kinchawn with a secret array of nadion-pulse cannons, to be used against Dominion forces if they ever invaded. Years later, Kinchawn plans to turn Tezwa into a military dictatorship and an empire. Kinchawn declares plans to annex a nearby Klingon planet. The Klingons are enraged, but the Federation convinces them to seek a diplomatic solution. Kinchawn invites the Klingons and the Federation to Tezwa to discuss the matter. The Enterprise and 10 Klingon ships are in orbit of Tezwa, with Picard, Troi and a Klingon representation meeting with Kinchawn on the planet. Kinchawn refuses to apologize and tries to have the 3 of them arrested, killing the Klingon representative in the process. Kinchawn then uses the cannons to attack the ships in orbit, killing 6,000 Klingon warriors. The Klingons counterattack, killing millions on Tezwa. Kinchawn's outrages prompt the Klingons to send an invasion force to conquer Tezwa, that would result in more deaths. After Enterprise manages to disable both the Klingon and Tezwa military fleets and take control of the cannons, the Federation take control of Tezwa and begin a rebuilding and peacekeeping mission. Kinchawn goes into exile and becomes a terrorist, having his supporters engage in terrorist acts against Federation personal on the planet. Worse still, Kinchawn is attacking population centers belonging to the trinae, a racial minority on Tezwa, attempting to commit genocide against them. Eventually, Kinchawn is defeated, but his terrorist campaign ends up killing thousands of Federation personal and Tezwan civilians.
  • Seven Deadly Sins's "Revenant", by Marc D. Giller: Nicole Carson is a seemingly nice medic on an illegal salvage vessel called the Celtic, but is really a ruthless mercenary. When the Celtic sends an away team to a Federation ship, the USS Reston, which was partially assimilated by the Borg during the battle of Sector 001 to salvage its technology, Carson secretly infects the away team with Borg nanoprobes. Carson plans to have the entire away team assimilated by Borg technology, planning to sell the infected away team to her employer, who wants to turn the Borg into a weapon. Though Carson dies while attempting to execute this scheme, she does succeed in assimilating the away team, unleashing the Borg on the galaxy once again.
  • Voyager Relaunch's Acts of Contrition & Atonement, written by Kirsten Beyer: Commander Jefferson Briggs is an officer with Starfleet Medical assigned to find a cure for the mysterious catom virus. He quickly realizes that he accidentally started the virus when he killed a Borg just as the Caeliar were ascending them to a higher level of existence, causing the catoms transforming it to bond with an airborne virus and mutate it. However, since Briggs sees the Caeliar as a threat to the Federation, he decides to try and control catoms under cover of supposedly searching for a cure. In fact, instead of quarantining the plague and allowing it to burn out, he deliberately spreads it to other Federation worlds, killing thousands. He has already used illegal genetic engineering to create a member of an extinct species whose genome he has been studying and creates 1,961 copies of her, most of which he kills by experimenting on them with catoms. He uses dubious means to co-opt a number of former Borg drones, including children of former drones, as a new source of catoms and, when he learns they feel the pain of the experiment subjects killed by their catoms, is quick to use it as a means of ensuring their cooperation. In the end, the only solution the Federation can come up with is to imprison him somewhere where he'll never be heard of again.

Others

    Examples 
  • Star Trek: Crisis on Centaurus, by Brad Ferguson:
    • Reuben Barclay is a leader in the racist, anti-alien organization, the League for a Pure Humanity, on the Federation colony planet Centaurus. Barclay has a scientist named Isidore Holtzman develop 4 anti-matter bombs to help his cause. Holtzman and Barclay come up with a plan to force the government of Centaurus to allow members of the League to join the government, with Holtzman threatening to destroy the capital city New Athens if the government refuses. Holtzman, having not heard word from Barclay to back down, makes good on his threat, activates the bomb in the city of New Athens, and kills 900,000 people. Barclay then reprograms Centaurus's defense system to attack any ships in orbit, including 3 medical ships. When captured by Captain Kirk, Barclay threatens to activate the 3 remaining anti-matter bombs and kill millions more people, if Kirk doesn't let him go free.
    • Isidore Holtzman is a scientist working for the League for a Pure Humanity on Centaurus. Holtzman is seen as a crank for his racist and anti-alien beliefs, but he secretly develops 4 anti-matter bombs in order to help the League achieve its goals. Holtzman gives 3 of the bombs to his psychopathic leader, Rueben Barclay, and keeps one for himself. Holtzman demands that the Centaurus government allow members of the League to join the government. When the government refuses, Holtzman activates the bomb in the capital city, New Athens, killing himself and 900,000 people.
  • Star Trek: The Next Generation: Survivors, by Jean Lorrah: Nalavia is an Orion agent who alters herself to look like a native of the planet of Treva. Nalavia gets elected President of the planet and begins to turn it into a dictatorship, using emergency laws to suspend the Constitution on Treva. Nalavia has been spiking the water supplies in all of the major cities with drugs in order to transform the people in these cities into her mind-controlled slaves. When a former warlord, Rikan, starts a rebellion against Nalavia, Nalavia has her troops dress up as Rikan's men and commit atrocities, including slaughtering everyone at a market and pulling over a school bus, and executing the children inside. Nalavia wants to trick the Federation into giving her weapons with which to fight Rikan. When the Federation representatives seemingly defect to the rebels, Nalavia orders a military strike on the rebel headquarters, planning on killing everyone there.
  • Federation: Colonel Adrik Thorsen, of the Optimum Movement, commits a one-sided massacre of civilians and New United Nations peacekeepers aboard a space station in order to steal a ship for a trip to the outer solar system; he then kills his own foot soldiers so that he can take all the credit. After a Time Skip, he's the public face of the Optimum in Britain and is orchestrating mass executions of civilian demonstrators and anyone who doesn't match up to the Optimum's idea of what humans should look like. He captures and tortures Zefram Cochrane and a pair of Resistance operatives in pursuit of a superweapon, the so-called warp bomb, that according to a lengthy lecture by Cochrane on warp physics is actually impossible. After Cochrane and the Resistance nearly kill him in their escape, Thorsen is rebuilt with nanotech and becomes obsessed with payback. After another time skip, he has Cochrane's wife and students murdered. After a third time skip, he manipulates the Klingons and the Orion Syndicate into kidnapping Cochrane and taking a starliner full of civilians hostage—Kirk's crew rescues them, but not before they kill one of the hostages—and orders a cruiser to fly into a black hole after Cochrane's shuttle. After a final time skip, he hijacks the Enterprise-D and sends her into the same black hole to get Cochrane.
  • Day Of Honor: Ancient Blood, by Diane Carey: Odette Khanty is a ruthless crime boss who routinely orders the torture, murder and mutilation of anyone who may represent a threat to her operations. She has her Klingon enforcers, the Rogues, brutally slaughter a shipload of innocent people because two of them had agreed to bear witness against her in court, orders underlings killed on a whim just to keep the others in line, and has Starfleet intelligence agent Ross Grant tortured to death after he witnessed her murdering her husband, the Governor of Sindikash, so she could take his position. When her people capture Worf, who had been planted inside her organization as a spy, Khanty plans to personally murder him slowly by Electric Torture, just to demonstrate to the Rogues that she is worse than they could ever hope to be.
  • Planet X, by Michael Jan Friedman: High Implementor Ruugh Isadjo is the leader of a political faction within the mysterious Draa'kon Empire. Wanting to seize power for himself, Isadjo infects the nearby planet Xhaldia with a virus that will mutate a small part of the population in 30 years. Thirty years later, after the mutants on Xhaldia emerge, Isadjo plans to capture these Xhaldian mutants to enslave them and make them into Super Soldiers that Isadjo will use for war and conquest. Isadjo also has his second-in-command killed because she might have made a mistake. When the X-Men and the Enterprise crew begin to sabotage his war ship, Isadjo plans to use a bomb to destroy Verdeen, a city on Xhaldia where most of the Xhaldian mutants are located, not caring about the civilians and his troops being killed in the process, wanting the mutants dead if he could not enslave them.

Video Games

Online
    Examples 
  • Colonel Hakeev of the Romulan Tal Shiar abducted entire colonies of innocent Romulans for horrific experiments into Borg technology; attempted to massacre most of the "inferior" Remans and drive the rest back into slavery; arranged sadistic gladiatorial events to determine the combat potential of various species, sapient or otherwise; and was the person truly responsible for triggering the Hobus supernova, with all its apocalyptic consequences. In addition, he's the only Iconian agent in the story who isn't brainwashed or tricked. He just enjoyed the thought of enslaving and exterminating the "lesser races" at the behest of his "Dark Masters".
  • Psi-Lord Cooper is the sociopathic leader of the Undine\Species 8472 in their attack on the Milky Way. Initially appearing in disguise in the wake of Borg and Iconian incursions into Fluidic Space, Cooper infiltrates the Federation with the hopes of destabilizing the Alpha and Beta Quadrants by sewing tensions within the fragile truce between the Federation and the Klingons. Making his formal debut leading an attack on the Jenolan and Solanae Dyson Spheres, Cooper orders Undine Planet Killers to attack various major worlds in both Quadrants, culminating in a devastating attack on Earth and Q'onos. After being thwarted, Cooper retreats back into Fluidic Space to reassemble his forces, where he is confronted by Admiral Tuvok and the player. Cooper stubbornly refuses to capitulate, vowing to raze the Alpha and Beta Quadrants until Tuvok convinced Cooper's own ship to stop him. A cruel and manipulative monster, Cooper shows all the worst qualities of the Undine.
  • Gaul is the leader of the Vaadwaur Supremacy, and a slimy, treacherous warmonger. Beginning to awaken millions of other Vaadwaur survivors, Gaul soon makes a Faustian bargain with the Iconians and infects his own supporters with the Bluegill Parasites that enslave them to the Iconians' will in exchange for elements of their technology, despite the fact that Gaul himself never had a Bluegill of his own. Gaul would then lead his army of zealots and brainwashed zombies on a bloody crusade of genocide against the rest of the Galaxy, with races across the Delta Quadrant having their entire civilizations pushed to the brink of extinction. When the player exposes what Gaul has done to other Vaadwaur to his people, Gaul immediately orders the forces still loyal to him to slaughter the dissidents.
  • The Female Changeling returns following her defeat in the devastating Dominion War, wherein she shows all new depths of depravity. 2000 years prior to the events of 2411, the Female Changeling encountered the Hur'q, a peaceful species of Insectoid Explorers, seeing in the Hur'q a perfect candidate for a servitor race of warriors for her burgeoning Dominion. Removing a natural part of the Hur'q diet to enslave them to her will, the Female Changeling instead drove the entire Hur'q population mad, transforming them into an army of near mindless ravagers. Settling for pointing the Hur'q at anyone who opposed her will, the Female Changeling started consolidating her power by enslaving various other species, making sure to silence any fellow Changeling who knew of her worst actions and disagreed with her. After being released from Starfleet captivity, the Female Changeling disguises herself as the Tzenkethi Admiral Tzen-Tarak in order to purge the Hur'q before they emerge from hibernation by devastating planets, inhabited or otherwise, with Protomatter Weapons. After the Alliance joins the Dominion against the Hur'q, the Female Changeling is revealed to be using lures to draw Hur'q to planets other than her own, including other Dominion member worlds.
  • Discovery era:
    • Aakar of House Mo'Kai is a ruthless Klingon Warrior in service of Matriarch J'Ula who proves himself to be far worse than his boss. Making his debut by leading a horrific attack on Priors World with a virus that turned the defense satellites on Starfleet ships, Aakar led the slaughter of the civilians on the planet. After being detained, Aakar would later escape and destroy the U.S.S. Buran out of spite, before later being pulled into the year 2411 thanks to the Mycelial Weapon. After J'Ula holds a meeting with the Great Houses and kick-starts the Klingon Civil War, Aakar orders the Mycelial Weapon to be fired on a civilian city and frames J'Ula before he turns on her and hands the Weapon to J'mpok. Aakar would later make several attempts to kill J'Ula and the Alliance forces, including desecrating the Klingon Holy Place of Boreth as he further developed his virus to allow J'mpok to destroy entire fleets of dissidents. When the tide turns against J'mpok, Aakar helps to fight the Alliance forces attempting to liberate Qo'noS from J'mpok and makes one last attempt to kill the Player.
    • Captain Silvia "Killy" Tilly is an especially vicious warrior in the Terran Empire who shows herself to be the worst of them all. Making her debut by jumping into the year 2411 of the Prime Universe over Pahvo, Tilly manipulates the Player into allowing her to beam down to the planet. Tilly then enslaves Pahvo using Agonizer Devices to turn the Planet into the Galaxy's largest gun in the hopes of taking it over. After being thwarted, Tilly joins the modern Terran Empire and begins assisting Emperor Wesley Crusher in hunting down his "prize" Ilia in order to track down the Other and subjugate it. Tilly works alongside the Inquisitor, Mirror Kuumaarke, and Marshall Janeway to kidnap Ilia before she stabs the Marshall in the back. Probing Ilia's mind to discover the Other, Tilly retreats to the Mirror Pahvo as the Other appears. Aiding the Emperor in getting to the heart of the Other while knowing full well that he intends to use the Other's power to destroy entire universes starting with the Prime Universe, Tilly voices her intention on betraying him and taking the power for herself to the Inquisitor.

Others

    Examples 
  • 25th Anniversary:
    • Admiral Vlict Kenka is the governor of the Klingon colony Hrakkour. After a powerful being known as Quetzalcoatl comes to Hrakkour and starts spreading a pacifistic philosophy among the population, Vlict feels that the Klingons on Hrakkour have been corrupted by outside ideas and orders everyone on Hrakkour to be killed, including his own family. Realizing he has gone far beyond his orders to deal with the situation and wanting to avoid punishment from the Klingon High Council for his genocidal crimes, Vlict blames Quetzalcoatl for the destruction of Hrakkou and puts him on trial. After Kirk demands Quetzalcoatl a fair trial and personally offers to go through some tests in an effort to defend Quetzalcoatl, Vlict designed the tests to kill Kirk and his crewmen.
    • Dr. Ies Breddell was once part of the science council of Vardaine, a Federation colony, who held a grudge against Kirk since the day Kirk foiled Breddell's attempt to take over Vardaine. Joining a xenophobic anti-Federation movement on Vardaine and begining an operation to secretly construct starships modeled after the Federation star ships, Breddell creates his own version of the Enterprise and uses it to launch sneak attacks on Federation ships. Leading the fake Enterprise to attack the USS Republic and kill everyone on board, Breddell was seemengly killed in the battle against the real Enterprise. However, in the sequel Judgment Rites, it is revealed that he survived having been transported by a cloaked ship at the last moment. Even more obsessed with revenge after another defeat at Kirk's hands, Breddell secretly takes over a Federation space station studying a powerful anomaly. Creating a powerful weapon that uses the power of the anomaly, Breddell used it to destroy Earth, but the explosion causes a Federation ship to travel back in time and warn Kirk about this weapon right before the ship explodes, allowing Kirk to stop Breddell before he would have used his weapon.
  • Hidden Evil: Ratok is a Romulan Admiral who claims to serve the Romulan Empire, but really only serves himself. The Enterprise crew discovers a race of progenitors on the Ba'ku planet; this ancient race was driven to near-extinction by their own creation, the Xenophore Seed, which created an endless supply of monsters that turned against them. Ratok decides to kill the progenitors and steals the Seed, planning to use it for his own schemes. Bringing the Seed to his secret base, Ratok has merged with it, intending to create an army of monsters to conquer the galaxy, not caring how many trillions they kill in the process.
  • Bridge Commander: Legate Matan is the leader of House Arterius, a powerful military faction in post Dominion War Cardassia. Matan manages to make contact with the Kessok, a powerful but xenophobic species in the Maelstrom sector, and, convincing the Kessok that the Federation is planning to invade their territory, gets their help to build a new high-tech Cardassian military fleet. Secretly experimenting with a Kessok Solarformer, a device that can regulate the energy of a sun to make a planet more hospitable for colonization, Matan accidentally destroys a Federation colony and causes heavy damage to two other colonies, sun to go supernova, while he tried to weaponize the Solarformer. Feeling no guilt, Matan, to hide his involvment, has his ships attack anyone who investigated this event. Declaring war on the Federation, Matan led full-on unprovoked attacks on non Cardassian ships in the sector, killing countless people in the process. After the Federation defeated his forces, Matan decides to use another Solarformer to cause the sun in the solar system to go supernova, killing his enemies, his supposed Kessok allies and his own forces, all at once.
  • Klingon Academy: Melkor, son of G'Iogh, is a member of the House of G'Iogh, a powerful family within in the Klingon Empire. After his brother is killed trying to start a coup against the Klingon High Council, Melkor devises a far more ambitious plan to seize control of the Empire. When the elderly Chancellor of the Empire dies, Melkor claims the title of Emperor and starts a civil war to seize power. Opposed by Gorkon, the rightful successor to the Chancellor's office, and General Chang, a hardline anti-Federation officer who realizes Melkor's rule would be a disaster for the Empire, Melkor manages to conquer a Klingon star base, which he rigs to explode, resulting in the deaths of thousands of Klingon officers. Conquering the Tal'Ihnor Gates, a star system that is the Empire's chief source of energy, Melkor has one of his officers activate a doomsday weapon, destroying the entire star system. After losing all support within the Klingon Empire, Melkor convinces the Romulans to back his claim, leading a Romulan invasion of the Klingon home world.
  • Elite Force II: Commander Suldok is a captain in the Romulan Imperial navy and the leader of a secret society called the Empty Crown. Thinking the Romulan people have grown weak, and planning to overthrow the Romulan government, Suldok works with a slimy Ferengi merchant named Omag to acquire a doomsday weapon. Using an Idryll radical named Krindo as a pawn to test the Exomorphs, deadly creatures created by the Idryll race, by manipulating Krindo to use them to attack an Attrexian planet. When Krindo tries to disable the Exomorphs after discovering that his father is there, Suldok uses the Master Control Facility to override him, allowing the Exomorphs to kill everyone on the planet. Allowing his men to die at the hands of the Hazard Team to scare the Romulan Senate and get them to support his plan for a war of conquest against the Federation, Suldok executes his second-in-command for failing to kill them.
  • Legacy: T'Uerell seems like just a typical Vulcan scientist at first, but she quickly becomes something far more sinister. After being saved by Captain Archer from some Romulan ships, T'Uerell manipulates him to get her to her research space station. There, after collecting her work, she blows up the station, killing everyone on board before escaping. Helping to develop a dangerous biological weapon for the Romulans, which they used on nearby planets, killing several billion people. T'Uerell reappears a century later, working with the Klingon Empire to create a particle beam weapon to destroy the Federation. In reality allied with the Borg, T'Uerell allows them to assimilate some of the Klingon Ships, as she has created a prototype of the Borg Sphere and plans to use it to attack the Federation. Resurfacing in the 24th century, chased by Romulan ships after attacking one of their worlds, T'Uerell destroys an nearby uninhabited world to get them off her back, which led to debris from the destroyed planet heading towards inhabited worlds, threatening the lives of millions. Returning to enact her final scheme, T'Uerell has taken over the Borg Collective and wants to assimilate the entire galaxy, believing free will to be chaotic and illogical, and wanting to enforce her version of logic and perfection on the galaxy.
  • Resurgence: Galvan was a Hotari miner who finds a device from the ancient Tkon Empire in the mines and becomes possessed by the leader of the Scions of the Flame, an extremist group who put their minds into crystals, hoping to outlive their empire. With his body completely taken over by the Scion leader, Galvan uses a process called bioforming to transfer the minds of the Scions into several victims, including Hortai, Alydians, and Starfleet officers. This process makes the victims prisoners in their bodies, with their minds trapped as the new Scion minds take over. Galvan goes to an ancient Tkon weapons depot and obtains billions of Tkon crystals and a warship called the Aphelion. The Aphelion has a bioforming ray that can bioform ships and even planets in seconds. Galvan plans to bioform the Alydians and Hotari first and then move on to the Federation itself. After the USS Resolution and a Federation Fleet cripple the Aphelion, Galvan decides to press his attack, wanting to sacrifice his men and himself to try to destroy the Resolute.

Alternative Title(s): Star Trek Expanded Universe, Trek Verse

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