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Tempest

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Dwarven Kingdom

    Gazel 

Gazel Dwargo

Dwarven King

https://static.tvtropes.org/pmwiki/pub/images/gazel.png
Voiced by: Takaya Hashi (Japanese), Randy Aguebor (English)

A king and ruler of the Armed Nation of Dwargon, the main dwarven kingdom around.


  • Authority Equals Asskicking: The ruler of his nation and the strongest member of it.
  • Badass Baritone: His English voice sounds like it should be coming out of a Main Battle Tank.
  • Disappointed in You: Tells Vesta this after the exile of Rimuru, Kaijin and his brothers from the kingdom despite knowing of their innocence, having known from the beginning about even Kaijin's innocence in the failure of Vesta's Magisoldier Project. He spent years waiting and hoping that Vesta would come forth and admit the truth, but Vesta's refusal and the sham trial brought his patience to an end.
  • Flash Step: A skilled swordmaster, way quicker than anyone would expect from a dwarf.
  • Just Between You and Me: Played for drama. While Gazel had to make Kaijin appear as the aggressor of the ordeal, he privately let Vesta knew that he was fully aware of everything that was going on.
  • Killing Intent: Strong enough to paralyze opponents, despite not actually being violent by nature. Being able to focus his will to such extent seems to come with being a king.
  • Our Dwarves Are All the Same: Subverted similarly to Vesta — Gazel too could be easily mistaken for a human, being much taller and slimmer than an average dwarf.
  • Reasonable Authority Figure: Although he's presented as a legitimate badass and an intimidating figure, he's also quite reasonable and able to see what's actually going on. He knows full well that he's presiding over a sham trial over Kaijin, Rimuru and the others orchestrated by Vesta, and he implies that if Kaijin hadn't already decided to turn his talents over to Rimuru and rejoined the military, he would have dropped the charges completely. Instead, he changes the sentence from years of hard labor in the mines to exile, thus allowing Kaijin and his fellows to leave with Rimuru without issue.
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    Vesta 
https://static.tvtropes.org/pmwiki/pub/images/vesta.png
Voiced by: Kenjiro Tsuda (Japanese), Brandon Potter (English)

Dwarven aristocrat and scientist who works as a Gazel's minister, which drives him into conflict with Kaijin. After embarrassing himself before his king and being exiled for that, he reconsider his ways and becomes Rimuru's chief scientific advisor.


  • Aristocrats Are Evil: Or at least excessfully prideful and inconsiderate. He gets better.
  • The Atoner: Becomes this after his banishment.
  • Break the Haughty: He was nothing but arrogant and condescending, but after Gazel revealed that he knew everything he was doing and was disappointed that he refused to come clean, he became a sobbing mess. By the time Rimuru meets him again after Gazel drops him off in Tempest to work for him, he spent over an hour apologizing to him.
  • Defeat Means Friendship: After being outsmarted by Rimuru, he decides that it's better to work with him than against him.
  • Driven by Envy: His jealousy of Kaijin for being a commoner who managed to become his superior is what lead him to antagonize the dwarf and pin the blame for his own failings on him.
  • Gentleman and a Scholar: A high-ranked aristocrat with a passion For Science!, which makes him conflicted at times, though he gets better.
  • Heel–Face Turn: After he is shamed by Rimuru and banished from the Dwarf king's court, he moves to Tempest and becomes a scientist and adviser to Rimuru.
  • Mad Scientist: Has a heavy vibe before his Heel–Face Turn, fueled by his ambition and pressures of a government position. When he resolves his internal conflicts, he becomes a pretty standard Gentleman and a Scholar.
  • My God, What Have I Done?: When Gazel reveals that Rimuru was the creator of the extremely pure healing potion, and that his actions may very well have terminated what could have been a powerful alliance with the slime, Vesta is beside himself with regret.
  • My Greatest Second Chance: Considers his service as a researcher for Rimuru to be this, as the alliance between Tempest and Dwargon means any successes he has will benefit both nations, simultaneously atoning for his past misdeeds and continuing to serve king Dwargo's interests.
  • Our Dwarves Are All the Same: Interestingly, he's actually pretty tall and slim compared to many other dwarves, to the point he could easily be mistaken for a human.
  • The Rival: To Kaijin, which leads to his Driven by Envy Start of Darkness.
  • Well-Intentioned Extremist: Jerkass aside, he does want to be a helpful minister to Gazel, and his realization that he allowed his own failings to ruin what could have been a powerful partnership with Rimuru causes him to break down in tears.

    Kaijin 
https://static.tvtropes.org/pmwiki/pub/images/kaijin_anime.png
Voiced by: Atsushi Ono (Japanese), Bruce Dubose (English)

A dwarven blacksmith that befriends Rimuru after helping cure some of his friends. He joins Rimuru after being exiled thanks to Vesta.


  • Birds of a Feather: He and Kurobee become friends soon enough because of their shared passion for blacksmithing.
  • The Blacksmith: An incredibly skilled one at that, being charged with forging the weapons for the dwarven military.
  • The Exile: Leaves Dwargon to join Tempest after being exiled.
  • Retired Badass: He was once the captain of one of the seven orders of holy knights in the kingdom, though he was forced to retire due to Vesta's actions.
  • The Rival: To Vesta both in military and as an artisan. In fact, being passed over for promotion in favor of Kaijin was Vesta's Start of Darkness.

Blumund

    General 

    Fuze 
https://static.tvtropes.org/pmwiki/pub/images/fuse.png
Voiced by: Ken Narita (Japanese), Mike McFarland (English)

A regional Guildmaster for the kingdom, he's a local administrator of the powerful Adventurers' Guild, and a childhood friend of the nation's Prime Minister, making him quite an influential person in the region. Befriends Rimuru rather fast, and is his frequent guest and co-conspirator.


  • Author Avatar: Being named the same as the author's pen name, has raised a whole lot of suspicions.
  • The Chessmaster: Is heads-deep in the politics between his kingdom, the Guild and the whole host of plots around Tempest meteoric rise.
  • Da Chief: As Guild is often relied on to provide policing in urban areas, with some adventurers in effect becoming a career police officers, he's that as well.
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    Cabal 
https://static.tvtropes.org/pmwiki/pub/images/cabal.png
Voiced by: Kengo Takanashi (Japanese), Justin Cook (English)

An adventurer with the classification of "Fighter" under Fuze's command, he leads a small party of adventurers on journeys that more than not end up crossing paths with Rimuru.


  • Deflector Shields: Can cast a barrier spell to protect himself and others. It comes in handy when it lessens the explosion of a Salamander from "fatal" to "badly wounding."
  • Heroes Prefer Swords: Carries a broadsword on his back.
  • Leeroy Jenkins: He seems to have a habit of causing the party trouble, such as when he aggravates a Giant Ants' nest.

    Gido 
https://static.tvtropes.org/pmwiki/pub/images/gido_7.png
Voiced by: Ryuuichi Kijima (Japanese), Brad Hawkins (English)

An adventurer with the classification of "Thief" under Fuze's command, he serves as an exasperated voice of reason to his two companions.


  • Invisibility: He knows a cloaking spell that can hide himself and his comrades.
  • Knife Nut: Wields a knife in combat.
  • Only Sane Man: Often finds himself exasperated by Cabal and Ellen's antics.

    Ellen 
https://static.tvtropes.org/pmwiki/pub/images/ellen_9.png
Voiced by: Akane Kumada (Japanese), Natalie Hoover (English)

An adventurer with the classification of "Mage" under Fuze's command, she serves as the moral center of sorts for her trio of comrades.


  • Call to Adventure: Why she became an adventurer. She wanted freedom away from being a noble.
  • An Ice Person: Can cast the spell Icicle Lance. Rimuru copies and improves it to make Icicle Shotgun.
  • Magic Staff: A wooden staff tipped with a giant blue crystal ball, through which she casts her magic.
  • Really Royalty Reveal: She's actually Elyune, a noble from the Sorcery Dynasty of Sarion.

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Ingracia

    Kagurazaka Yuuki 
https://static.tvtropes.org/pmwiki/pub/images/yuuki_anime.png
Let's bring destruction to this world.
Voiced by: Natsuki Hanae (Japanese), Clifford Chapin (English)

The head of the Adventurers' Guild and yet another Japanese person transferred into this world. Has some connection to Shizue and thus to Rimuru, and later becomes a major antagonist.


  • Big Bad: Eventually, due to the very complicated (and contrived) turn of events.
  • The Chessmaster: Yuuki was a genius from his kid years and excels in scheming and manipulations.
  • It Amused Me: From his earliest days he was bored to death with an ordinary life, and anything he does is entirely for his own amusement.
  • Older Than They Look: He's in his late twenties, but for some reason his physical appearance has locked on his teenage form.
  • Otaku: And a pretty hardcore at that. Rimuru was able to get on his good graces just by providing the latest issues of some popular manga series that he missed in this world.
  • Pop-Cultured Badass: On account of having been a hardcore nerd in his past life, Yuuki is well-versed in numerous video-games and manga. He's also an extremely powerful Hero capable of wiping the floor with people who upset him.
  • Teen Genius: Outwardly. He's really in his late twenties.
  • Terrorists Without a Cause: There's basically no reason for Yuuki adopting his outlook except some very vague Freudian Excuse and sheer boredom.
  • Villain with Good Publicity: Early on, he went to great lengths to concoct a kind and reasonable persona doing a lot of good deeds to increase his influence. In actual fact, however, Yuuki's a twisted psychopath reveling in the destruction he brings.

Ten great Demon Lords (Later renamed to Eight Star Demon Lords)

    Millim Nava 

Millim Nava

Tyrant of Destruction

https://static.tvtropes.org/pmwiki/pub/images/milim_anime.png
Dragonoid
Voiced by: Rina Hidaka (Japanese), Kristen McGuire (English)

One of the most powerful Demon Lords, and one of the oldest. While she is flighty and somewhat scatterbrained, she is much smarter than she looks.


  • Adaptation Dye-Job: In the original web novel she had white hair, in addition to a different outfit. The light novel and subsequent adaptations changed her hair to pink and gave her a more Stripperiffic outfit — though her hair turns white in her Super Mode.
  • Authority Equals Asskicking: The ruler of her nation and the strongest member of it.
  • Awesome by Analysis: Her Dragon Eye Skill allows her to gauge her opponent's magical energy even if they try to hide it, ensuring her opponent's can't pretend to be weak (or strong) in front of her.
  • Badass Bystander: Milim lives in Tempest and doesn't make her identity a secret, but when Charybdis attacks the town, she offers to simply kill it (which she could easily do). Against Rimuru's wishes, the Oni convince her to let Rimuru fight it (he would rather simply have Milim get rid of it). The fight drags on for a long time while Milim simply watches it go down. Eventually the fight between Rimuru and the entity reaches a stalemate so Milim steps in blows it away with very little effort.
  • Bare Your Midriff: This would actually be an understatement. She not only bares her midriff, but wears the bare minimum to cover up her private parts, with her buttocks actually showing.
  • Barehanded Blade Block: Catches Shion's BFS with one hand and virtually no effort, despite the impact cratering the ground beneath them.
  • Berserk Button: Calling her a "kid" generally results in people going flying or requiring large amounts of healing potion. It gets better when she starts to follow Rimuru's instruction that she should hold back, but people still go flying.
  • Best Friend: She styles herself as Rimuru's "best friend," although this wasn't exactly a title she earned and more of a proclamation he couldn't refuse. It's also implied she ends up developing feelings for him.
  • Black Knight: When she actually decides to take a fight seriously, she dons a set of jet-black armor.
  • Blood Knight: Millim really enjoys fighting, and reacts to powerful opponents with a Slasher Smile and glowing Icy Blue Eyes. Rimuru immediately recognizes her initial borderline Cute and Psycho tendencies as a potential problem and takes steps to teach her restraint.
  • Brutal Honesty: She both hates lies and being lied to, to the point she'll bluntly state her demands with no compromise and rampage if she's rejected.
  • Cloud Cuckoolander: Milim is frightfully powerful and could easily level Tempest, but is easily manipulated into becoming friendly because she is an incredibly flighty goofball. When she arrives to test Rimuru, his fight with her involves throwing honey in her mouth because he could tell she was a weirdo that would react positively to sweets. This works.
  • Costume Porn: Becomes quite a clotheshorse after settling in Tempest, being somewhat bored by her standard stripperific outfit.
  • Curb-Stomp Battle: She ends Charybdis (a monster so powerful it clashes with Rimuru and Tempest for several hours in a stalemate without slowing down) with a single direct attack.
  • Demon Lords and Archdevils: The second oldest Demon Lord after Guy.
  • Ditzy Genius: Milim lacks even an ounce of common sense and is incredibly scatterbrained, but she's actually really smart and can easily outwit people trying to manipulate her. She's also capable of using magic so advanced, Great Sage can't even begin to analyze it.
  • Dragon Ancestry: Daughter of the True Dragon Stellar King Veldanava and the human Lucia. This also technically makes her the daughter of the world's God.
  • The Dreaded: All Demon Lords are feared by almost all of the world inhabitants. What sets Milim apart is that even other Demon Lords are afraid of her.
  • Establishing Character Moment: She seems like a ditz at first. But she quickly arrives at Rimuru's village, causing a crater where she lands. Several of Rimuru's strongest fighters attempt to attack her since she seemed to be a threat, but practically everything they throw at her turns out into a No-Sell attack. Even Rimuru had to resort to trickery to "defeat" her by feeding her honey that she enjoyed so much she decides not to attack them in exchange for some more of it.
  • Hartman Hips: Her Stripperific outfit leaving nothing to the imagination allows everyone to see her wide hips and rear contrasted by her petite, svelte form, which the anime and illustrations likes to bring constant attention to. A official statuette was even made in a Boobs-and-Butt Pose to emphasise her butt.
  • Horned Humanoid: When she fights seriously and dons her armor, she has a horn out of her head like an ogre or oni.
  • Idiot Hair: Has a prominent curved one, emphasizing her ditzy status.
  • Incest Is Relative: Ends up falling for Rimuru in the finale even though it's heavily implied that he's a reincarnation of her father, Stellar Dragon Veldanava. That said, it should be noted Rimuru has no memories of his life as Veldanava (assuming he really is said reincarnation) and Milim herself barely knew about her father before his death anyways.
  • Immortal Immaturity: Despite being one of the oldest and strongest being in the series, mentally she totally is the scatterbrained teen that her appearance suggest.
  • Lamarck Was Right: The source of her incredible power is due to being the child of and named by the True Dragon Stellar King Veldanava, the first of the True Dragons and the original creator of the world. This allowed her to inherit a great majority of his power and partly why it was so easy for her to ascend to the rank of True Demon Lord.
  • Lonely at the Top: She has had no friends for thousands of years due to her powers and because of the mortality of others.
  • No-Sell:
    • The oni originally attack her thinking she's going to attack Rimuru, but she casually counters everything they throw at her, culminating in her taking Benimaru's Black Flame spell dead on and letting it sputter out without a mark on her body.
    • When she finally gets called in to battle Charybdis, the beast unleashes a Flechette Storm of its scales at her. She just lifts a hand and the attack just falls out of the sky.
  • Pint-Sized Powerhouse: Looks like a kid, yet her strength is such that she can destroy entire kingdoms using nothing but physical power alone, to say nothing of her actual magic. When they first meet up, Great Sage informs Rimuru that even in a non-serious state, she has at least ten times the amount of power Rimuru currently has at his disposal, and this is after Rimuru got a power-up from devouring the Orc Disaster.
  • Power Limiter: Rimuru gives her a pair of gauntlets that reduce her blows to 10% of their original strength. It says something about how strong she is that she can still sent opponents several times her size into the air pretty easily.
  • Really 700 Years Old: Has the appearance of a twelve-year-old but is actually thousands of years old.
  • Red Baron: She is known as the "Destroyer" due to her enormous physical and magical power, which is enough to decimate entire countries when she throws a tantrum.
  • Semi-Divine: While she's not a Demigod like Chloe, Millim is the daughter of the multiverse's creator deity — making her hands-down one of the most powerful characters in the series.
  • Seven Deadly Sins: Wields the Ultimate Skill Wrathful King Satan.
  • Sir Not-Appearing-in-This-Trailer: An inverted example in the anime. She's seen briefly in the first ending seen in episodes 1-14. But she doesn't actually meet Rimuru until around episode 16, by which time a new op/ed is shown.
  • Stripperific: Millim's usual outfit leaves almost nothing to the imagination and is little more than a tube top and low-riding panties.
  • Super Mode: Her Battle Mode manifests black armor on her body, turns her hair white, and causes her to grow wings and a horn in the middle of her forehead.
  • Through His Stomach: Basically how Rimuru "defeats" her in their first fight. He loads up a special attack, which appears to be a golden orb of power, and then smashes it into Milim's mouth. Said "orb" was actually just some honey he found, but she loved it so much that she was willing to consider their duel a "draw" and promises not to attack Rimuru's village or teammates, declaring Rimuru her "bestie" and Tempest to be her under her protection.
  • Unstoppable Rage: Is widely feared for it since she becomes unstoppable once sufficiently enraged to the point that only demon lords can stop her. Since her rage also converts to magic power thanks to her ultimate skill she virtually fight endlessly while being angry.
  • Wake-Up Call Boss: Played With. At the time of her appearance, she's the first opponent who explicitly is many times stronger than Rimuru is...so Rimuru doesn't engage her in a fruitless battle to the death, but feeds her a bunch of delicious honey to calm her down and bribes her with more if she calls it a draw.
  • Who Wants to Live Forever?: Rimiru theorizes that she chose a life of solitude so that she wouldn't outlive all her friends. This would also explain why she latched onto him so quickly, as the first (theoretical) immortal to show her kindness.
  • World's Strongest Woman: Milim is the strongest of the Demon Lords and basically the strongest being in the world.
  • Wrath: The embodiment of it thanks to her ultimate skill.

    Guy Crimson 

Guy Crimson

Emperor of Darkness

https://static.tvtropes.org/pmwiki/pub/images/guycrimson.png
The first Demon Lord

Supposedly the first and strongest Demon Lord.


  • Authority Equals Asskicking: The ruler of his nation and the strongest member of it.
  • Demon Lords and Archdevils: The first demon lord to ever exist.
  • Hopeless Suitor: Amusingly, he's made offers to Leon for sex in both his male and female forms. Leon's rebuffed him every time.
  • Our Demons Are Different: Is the highest ranked demon, who in turn were originally known as dark elemental spirits.
    • Meaningful Name: Named himself Guy after the scream his dying victims would give. Pissed of by that he was named Crimson by the first Hero after the color of his hair.
  • Older Than They Look: Despite his young appearance he is several thousand years old.
  • Pride: The embodiement of it thanks to his ultimate skill
  • Sorcerous Overlord: Rules over the northern continent where no life besides demons and monsters exist due to the environment being polluted by his magic power.
  • Seven Deadly Sins: Wields the Ultimate Skill Prideful King Lucifer.
  • Super Gender-Bender: Despite being a genderless spirit he has a male looking form for battle and a female looking form for operations. He himself notes the process of shifting between male and female form is so easy the question of gender is really irrelevant to him, though he uses male pronouns for convenience if nothing else.
  • Took a Level in Badass: Was already powerful but gained more power after being defeated by Stellar King Veldanava and a second time after being named by Rudra.
  • The Unfought: Held up as the strongest Demon Lord around and at least equal to Milim, but is never faced by Rimuru or his forces in real combat. Instead, he serves as an ally against Yuuki's forces and stalls against Chloe.

    Dino 

Dino

King of the Sleeping Forest

https://static.tvtropes.org/pmwiki/pub/images/king_of_the_sleeping_forest_dino.png
The being that fell from heaven

A fallen angel who became a Demon Lord.


  • Brainwashed and Crazy: Velda exerts partial control over him by exploiting his old loyalty towards the true Veldanava, but when separated from his influence he breaks the control and is not happy about it.
  • Dual Wielding: Wields Excalibur in one hand and Caliburn in the other.
  • Demon Lords and Archdevils: One the oldest demon lords.
  • Fallen Angel: Originally the highest ranked Seraphim of the angels but became a fallen angel later on after he went on a rampage when Veldanava and Lucia were killed and wiped out the nation responsible.
  • I Am Not Left-Handed: Comes across as the weakest of the demon lords, but only if he isn't bothering to dual wield and is only putting in half effort as compared to zero or full power. At full power, he's the greatest swordsman on the planet. When completely lazy and working through minions, his Sloth ability would start building up massive energy reserves.
  • Lazy Bum: The embodiment of it thanks to his ultimate skill
  • Master Swordsman: The greatest swordsman of the entire world if he ever went serious.
  • Older Than They Look: Despite his young appearance he is as old as the world itself, much like Guy Crimson.
  • Our Angels Are Different: Originally a spirit of the light attribute that shifted into the dark attribute. Because of this, he can negate the weakness to light dark elementals normally have due to familiarity with said power.
  • Seven Deadly Sins: Wields the Ultimate Skill Slothful King Belphegor. He's never shown using it right, though.
  • Undying Loyalty: To Stellar Dragon Veldanava, the one who created him. So much so that his death was the reason he became a Fallen Angel.

    Dagruel 

Dagruel

Continent's Wrath

https://static.tvtropes.org/pmwiki/pub/images/dagrule_main.jpg
Ruler of Giants

A giant Demon Lord.


  • Demon Lords and Archdevils: One the oldest demon lords.
  • No-Sell: He's immune to magic apart from magic considered to be of a healing or restoration type, which Veldora exploits by using him as a fuel source for a land regeneration spell.
  • Our Giants Are Bigger: Feared as the great Titan throughout the continent.
  • Older Than They Look: One of the first living beings of the world.
  • Physical God: His true form is that of a Titan and is regained by merging with his two brothers.
  • Unskilled, but Strong: Noted to lack an Ultimate Skill, but is instead referred to as an Ultimate Being.
  • Unstoppable Rage: His rages lets him increase his magic power and size

    Ramiris 

Ramiris of the Labyrinth

https://static.tvtropes.org/pmwiki/pub/images/ramiris.png
Ruler of Fairies
Voiced by: Anzu Haruna (Japanese), Jad Saxton (English)

A fairy Demon Lord.


  • Jerk with a Heart of Gold: She acts a little smug due to being both the Queen of Fairies and a Demon Lord, but has no problem in helping Rimuru after finding out why he went to the labyrinth.
  • Master of Illusion: She's a master of mind affecting and illusion based magic, but has very little raw power because she's currently a child after reincarnating herself.
  • Our Fairies Are Different: The queen of all fairies, reaching only a few centimeters in height.
  • Older Than They Look: Several thousand years old and the third demon lord to ever exist.
  • Squishy Wizard: She is a Demon Lord but a simple chop from Rimuru nearly puts her unconscious.
  • Sweet Tooth: She really enjoyed the cookies Rimuru brought, and ate several despite them almost being as big as she is.

    Clayman 

Clayman

Marionette Master / Crazy Pierrot

https://static.tvtropes.org/pmwiki/pub/images/clayman_anime.png
The insidious dandy
Voiced by: Takehito Koyasu (Japanese), John Burgmeier (English)

A self-proclaimed Demon Lord who instigated the whole Orc Disaster affair.


    Carrion 

Carrion

Lion King

https://static.tvtropes.org/pmwiki/pub/images/carrion_3.png
Voiced by: Takumi Yamazaki (Japanese), Marcus D. Stimac (English)

A self-proclaimed Beastman Demon Lord who rules the Beast Country of Yuurazania.


    Frey 

Frey

Harpy Queen

A self-proclaimed Demon Lord.


  • Abdicate the Throne: After Rimuru defeats Clayman, she decides to step down as a Demon Lord and become Millim's subordinate.
  • Anti-Magic: She can use magic jamming on her opponents.
  • Harping on About Harpies: Resembles a classic harpy, with wings instead of arms and talons instead of feet.
  • Mystical White Hair: Technically silver, but it does denote her power.

    Leon Cromwell 

Leon Cromwell

Blonde Devil / True Hero of Humanity

https://static.tvtropes.org/pmwiki/pub/images/leon_cronwell_anime.png
Ruler of El Dorado
Voiced by: Jun Fukuyama (Japanese), Christopher Wehkamp (English)

The Demon Lord who summoned Shizue.


    Luminas Valentine 

Luminas Valentine

Queen of Nightmares

https://static.tvtropes.org/pmwiki/pub/images/luminas_valentine_main.jpg
Ruler of the Vampires

The Demon Lord who rules over vampires.


Others

    Shizue Izawa 

Shizue Izawa

Explosive Monarch

https://static.tvtropes.org/pmwiki/pub/images/shizu_anime.png
Voiced by: Yumiri Hanamori (Japanese), Dawn M. Bennett (English)

Another human reincarnated into this world from the Tokyo Firebombings of World War II, she is a Summon who houses the soul of the Fire Giant, Ifrit, and bears a deep connection to Rimuru's fate...


  • Call a Pegasus a "Hippogriff": Though fire-related, in mythology an Ifrit is a type of genie rather than a giant or titan.
  • Cast from Lifespan: Overexerting her magic fighting a dragon caused her to age, though to be fair she is in her 70s-80s even if she appears otherwise.
  • Cool Teacher: Actualy the only one able to keep the Summons class in the Freedom Academy at Incracia in check. At least until Rimuru took over.
  • Covered in Scars: Under her clothes she still has the burns from her summoning, and she only survived them because Leon had Ifrit possess her.
  • Cursed with Awesome: She suspects her youth might be a curse from the demon lord but is happy with it.
  • Death by Origin Story: Her character is basically there to die and in the process give Rimuru a human form and a few plot threads like Leon Cromwell and the children in Ingracia. The light novel and further adaptations flesh her out a bit more, but the basics remain the same.
  • Demonic Possession:
    • When Ifrit originally took her over, he used her body as a vessel, but she was eventually able to take back control thanks to a hero and the use of her Anti-Demon Mask. However, recently, Ifrit began to regain strength thanks to her own own dwindling lifespan, and ultimately she falls back under it and forced to fight Rimuru. However, it should be noted that Leon did this specifically to extend her lifespan, as she wouldn't have survived the burns from her summoning otherwise.
    • The anime also changes the nature of the possession to a minor extent. In the manga, Shizue completely lost herself to Ifrit upon her original possession and only regained herself thanks to being defeated by a hero and gaining her mask. In the anime/light novel, Shizune had more control, but Ifrit could usurp her against her will if he sensed a threat in Leon's presence. The amount of time she could go without wearing the mask without risking losing herself again to Ifrit is also much smaller in the manga.
  • Doppelgänger Attack: Ifrit can summon copies of himself made of fire to overwhelm the opposition.
  • Enemy Summoner: Ifrit can summon Salamander demons to aid him in battle, which breathe fire and can explode violently.
  • Fiery Salamander: Can summon three of them in battle.
  • Flaming Sword: One of her preferred tactics is to wreathe her blade in fire to increase its destructive power.
  • I'm Having Soul Pains: Due to the fact that Ifrit is slowly starting to regain control as her life nears its end.
  • In-Series Nickname: "Shizu," which was originally coined by her summoner after she told him her name as "Shizu...e" and he took it as "Shizu E."
  • Instant Runes: Can create a magic circle without chanting.
  • Mask of Power: Her Cool Mask isn't just for show, it has anti-demon properties which helps her suppress Ifrit's influence on her mind and body. Rimuru eventually takes it as a Memento MacGuffin.
  • Mind-Control Eyes: When they turn glowing red, that's when Ifrit starts taking over Shizue's mind.
  • My God, What Have I Done?: Had really bad one in the past when Ifrit took her over and made her torch her fellow child friend and her monster pet to ashes upon viewing said pet as a threat to Leon. (Anime/Light novel only; in the manga, once Ifrit is inside her she doesn't regain control for quite some time.)
  • Oh, Crap!:
    • Shizue has one every time Ifrit starts taking her over.
    • Ifrit himself gets several when he realizes his flames don't work on Rimuru, but his biggest is when he sees Veldora after he's devoured by Rimuru's Predator skill.
  • Older Than They Look: She was reincarnated during World War II as a child, which would put her in her 70s to 80s, but she still looks barely over her mid-20s at latest. This actually helps her keep up a disguise along with her nickname of Shizu, as none of her fellow adventurers realize that she's actually the retired hero known as "The Explosive Monarch."
  • Playing with Fire: Gains this as a result of her possession by Ifrit.
  • Retired Badass: She's apparently been retired for 50 years according to the adventurers.
  • Revenge: She hates Leon Cromwell for summoning her half-dead from flames, having Ifrit take over her body, and then abandoning her to fight a hero as a sacrificial pawn. Her desired goal before dying was to find and hurt him for all of it, and asks Rimuru to do the job for her as part of her Last Request. Of course, the truth is a bit more complicated than that...
  • Scars Are Forever: Magic can't heal her burn scars because merging with Ifrit stabilized her body to its current state.
  • Scissors Cuts Rock: Ifrit and its Salamander summons' flames are so intense that Rimuru attempting to use Water Blade on them just causes it to erupt into steam without effect, and Great Sage informs him that while if he unleashed all the water in his body at once he could overpower it, the resulting explosion of steam would take out the entire goblin village in the process. This forces Rimuru to rely on using ice magic and his own immunity to flame to win.
  • Spit Take: Did one when Rimuru said he wasn't a bad slime because it reminded her of Yuuki talking about Dragon Quest.
  • Together in Death: Gets reunited with her mother.
  • Transformation of the Possessed: Happens to her when she fully loses control of Ifrit. She goes back to normal when Rimuru uses Predator on him and thus separates them.
  • Wizards Live Longer: Stopped aging at 16 or 17 thanks to either Ifrit or the demon lord.
  • Your Days Are Numbered: Despite her youthful appearance, Shizu is quite old, in her 70s at best, and is at the end of her life. She left her retirement to exact her revenge on Leon Cromwell for summoning her from her original world, but her trip was cut short as she had no more strength to contain Ifrit possessing her. Though Rimuru has beaten the Fire Giant quite handily, thus freeing Shizu, the strain of combat was too much for her (not to mention Ifrit actually keeping her alive all that time) and she died soon after the fight.

    Orc Disaster 

Geld

Orc King/Orc Lord/Orc Disaster

Voiced by: Kenji Nomura (Japanese), Jim Foronda (English)

Formerly a nameless Orc King who wanted to save his people from famine, he was granted a name by the demon Gelmund under the orders of the Great Demon Lord Clayman. Obtaining the Unique skill Starved, he was meant to become a Demon Lord capable of conquering and ruling the Jura Forest as their pawn.


  • Adaptive Ability: As he's being burned by Rimuru's Flare Circle, he develops the Heat Resistance skill to tank the rest of it.
  • Alas, Poor Villain: His death is portrayed as such. Rimuru killing him was clearly a Mercy Kill, to which the Orc Lord thanked him for allowing him to rest in peace.
  • Anti-Villain: His people was starving, and he joined forces with Gelmund in order to save them.
  • The Assimilator: His Starved skill functions similarly to Rimuru's Predator skill in that they both provide the potential for infinite growth by devouring others and adding their powers and skills to their repertoire.
  • Authority Equals Asskicking: The leader of the Orcs and the strongest. While his soldiers were easily dispatched by Rimuru's subordinates, he was too strong for them, and Rimuru was forced to step up in order to deal with him.
  • Benevolent Boss: Even after succumbing to hunger, he still loves his people. And while eating one of your own men for a power boost and healing would normally be a Moral Event Horizon, the orc in question willingly offered himself up and didn't struggle even as he was being devoured.
  • Dragon Ascendant: Technically, he's already the Dragon-in-Chief for Gelmud and by extension Clayman, but upon deciding to take Gelmud's order to evolve to the Orc Disaster to heart, he chops Gelmund's head off and eats the corpse to do it, becoming the main antagonistic force for the arc.
  • The Good King: To the orcs. He was willing to abuse his Healing Factor and tear off his own limbs in spite of the pain to provide them some sort of food.
  • Healing Factor: Not only does he possess regeneration and healing magic, he can also devour others to quickly restore his stamina. It's so potent Hakurou slicing his head off just slows him down and Rimuru is forced to use Predator on him to win (and even then, he resists it longer than any other creature before him). Even when he was still nameless, he didn't think anything of tearing off his own limbs and letting his starving people eat them since they would just come back.
  • I've Come Too Far: He tells this to Rimuru. After eating his benefactor, his own brethren and even several others, he feels that he cannot afford to lose.
  • I'm a Humanitarian: Since he can't absorb things like Rimuru, this is the only way Geld can actually use his Starved skill to the fullest. "Helping" is the fact it also gives him Horror Hunger so that he's not too picky about the act of eating anything in front of him.
  • Kick the Son of a Bitch: Him killing and devouring Gelmund is not portrayed as horrifying to say at least.
  • Knife Nut: Wields a large machete as big as a man...but compared to his own size it's practically just a butcher knife.
  • Large and in Charge: By far the largest of all the Orcs, even before his ascension to the Orc Disaster.
  • Power Copying: After devouring Gelmud, he gains the ability to use Death March Dance.
  • Super Strength: He can match Shion's strength with ease.
  • Unwitting Pawn: Subverted. He admits to Rimuru as he's being absorbed that he knew Gelmund was all but certainly using from the start, but he viewed the situation as a Deal with the Devil issue since to refuse would likely condemn his people to starvation.
  • Wake-Up Call Boss: The first opponent Rimuru fights who legitimately provides a challenge. (Ifrit was only an issue due to Rimuru not remembering he had Heat Resistance and the risk of weaker bystanders, due to possessing powerful attacks that require dodging or intentional nullification instead of simply straight-up No Selling and possessing a ludicrous Healing Factor.
  • Well-Intentioned Extremist: All he wanted was to save his people from a famine, no matter the cost. Rimuru promising to save them is what allows him to accept his death with grace.
  • The Worf Effect: Despite taking a good amount of damage from their assault, he proves to be too strong for the oni and Ranga to best, showing the gap between them and a Orc Disaster. He then gets this at the hands of Rimuru, whose Predator Skill is superior to his Starved one.

    Gelmud 
Voiced by: Kengo Kawanishi (Japanese), Vic Mignogna (English)

A demon subordinate of Clayman of the Ten Great Demon Lords. Seeking to expand his master's dominion, he manipulated the various factions of the Jura Forest with the intent of conquering it all, only to find his plans coming apart at the seams thanks to one Rimuru Tempest...


  • Asshole Victim: He manipulated the residents of the Jura Forest with the intent of letting them all get killed and/or eaten by the Orc Lord Geld to turn him into a Demon Lord, who in turn he always saw as a simple pawn. Absolutely no one feels sorry when Geld decides to kill and eat him.
  • Be Careful What You Wish For: He yells at Geld to hurry up and eat his enemies to evolve into a Demon Lord. Geld takes his advice to heart and kills him, devouring his corpse to kickstart his evolution.
  • Curb-Stomp Battle: His "fight" with Rimuru consists of his attacks getting nullified before Rimuru ties him up and rams his fist and foot into him hard enough to send him flying.
  • Killed Mid-Sentence: He's so busy bragging about how Geld is going to kill Rimuru and his subordinates for ruining his plans he doesn't even notice Geld drawing back his blade for the killing blow.
  • Malevolent Masked Man: He wears a Plague Doctor mask to hide his face. We never see what he looks like underneath it.
  • Man in White: Emulating his master Clayman, he dresses in a mostly white suit and hat to give off a fancy impression.
  • Off with His Head!: How he dies, courtesy of Geld's butcher knife.
  • Smug Snake: Far too confident in his plans for his own good, and far too confident in his power to think he'd last rushing right into the middle of the battlefield with people who want him dead. He quickly caves and yells at the Orc Lord to help him.
  • Villainous Breakdown: When he sees Rimuru's small force completely destroying the hundreds-of-thousands-strong Orc army, he starts breaking down in panic and fear upon realizing his head is on the chopping block with Clayman if he doesn't fix things, and thus he rushes to the battlefield. Once he gets there, he starts yelling in anger at them for getting in his way of creating a new Demon Lord and starts insulting everyone there, including the Orc Lord before going on the attack. When Rimuru No Sells his attempt and casually kicks his ass, he only gets worse as he panics and yells at the Orc Lord to help him.
  • You Have Failed Me: He declares Gabiru is this for not dying and being eaten by the Orc Lord yet. He himself fears being on the receiving end of this from Clayman.

    Charybdis 
An ancient monster of immense power, known as the Ruler of the Skies. Sealed away by an ancient hero, it is unleashed with the intent of bringing calamity to Tempest.
  • Animalistic Abomination: It is a one-eyed vaguely shark-like monster — with ray-like wings in the anime, defies gravity, possesses enough power to wipe out a country, and was born from a cloud of Veldora's magicules — technically making it Rimuru's sibling.
  • Curb Stomp Cushion: It withstands everything Rimuru's army throws at it and even fights Rimuru himself to a stalemate, but is effortlessly defeated by Milim.
  • Demonic Possession: As a spiritual entity, it needs a host in order to manifest. Phobio is tricked into becoming its host by Tear and Footman.
  • Dragon Ancestry: Indirectly, as it is an Animalistic Abomination spawned from Veldora's magical energy.
  • Enemy Summoner: When summoned, it manifests a school of Megalodons — flying shark-monsters — using dragon corpses.
  • Flechette Storm: It can fire its denticles/scales as razor-sharp homing projectiles.
  • Gravity Master: It can manipulate gravity to enable itself and its Megalodons to fly.
  • No-Sell: Its special ability, Magic Jamming, makes it immune to magical attacks.
  • Roaring Rampage of Revenge: Owing to its host being Phobio, it attacks Tempest looking to kill Milim.
  • Sealed Evil in a Can: It was sealed away by a hero in the distant past, though Tear and Footman trick Phobio into unsealing it and becoming its vessel by saying it will give him the power to kill Milim.

    The Summoned Children 
Ryota voiced by: Shizuka Ishigami (Japanese), Apphia Yu (English)
Chloe voiced by: Azusa Tadakoro (Japanese), Emily Neves (English)
Alice voiced by: Haruka Shiraishi (Japanese), Sarah Wiedenheft (English)
Kenya voiced by: Ayaka Asai (Japanese), Brittany Lauda (English)
Gale voiced by: Gen Sato (Japanese), Justin Briner (English)

A group of five small children who, like Shizu, were summoned in order to turn into Heroes. However, because the process of summoning has some unforeseen consequences, the children now only have a few years left to live.

It is Rimuru's mission now to help the children move past their life expectancy, as Shizu's last desire.


  • The Berserker: Ryouta Sekiguchi is usually quiet and timid, but his special ability sends him into an animalistic berserk state where he runs on all fours, clawing and biting at his opponents.
  • Deity of Human Origin: Chloe's future self — who travels back in time to stabilize her child-self — is a Demigod, a divine entity surpassing both Heroes and Sages. Ramiris is terrified of her, though she does little more than kiss Rimuru and indwell her past self.
  • Fusion Dance: Power Booster variation. They all go through this in order to stabilize their magicule levels with Superior Spirits.
  • Heroic RRoD: The origin of their shortened lifespans. Summoned Otherworlders have an immense number of magicules but children do not usually inherit the Unique Skills necessary to put them to sufficient use. Pair that with the strain of containing such power on an immature body and children summoned to the Otherworld will eventually have their bodies destroyed due to their own power.
  • Making a Splash: Chloe can control water to such a degree she can trap people in a sphere of swirling water and then form blades in said water to slice her victims apart.
  • My Future Self and Me: Chloe is indwelled by the time-travelling divine spirit of her future self, which according to Ramiris creates a time loop.
  • Playing with Fire: Kenya Misaki's introduction involves him launching a flaming Sword Beam at Rimuru the moment he enters S-Class, and complaining that he missed.
  • Precursor Heroes: As part of the Timey-Wimey Ball she's stuck in, Chloe is part of a chain of heroes that goes Chloe —> Shizue —> Rimuru —> Chloe, making her a precursor to herself.
  • Puppet Master: Alice is able to levitate and manipulate dolls in this manner. Rimuru thinks to himself that she would be more effective if these dolls had claws, or if she could control other tougher stuff. Out of all the students, she was the one he was most initially impressed with, not that he would say that out loud.
  • Stable Time Loop: Chloe is part of a convoluted time loop, according to Ramiris. She's the Hero who sealed Veldora, who Leon was seeking to summon, and who Shizu admired and got her mask from in the past; having become a Demigod after countless time loops.
  • Teacher/Student Romance: Chloe Aubert and Alice Rondo both develop Precocious Crushes on Rimuru, who laments that they should have waited until they were 18 or 20 to confess.
  • Two Girls to a Team: Chloe and Alice are the only girls in the class, with the rest being boys.
  • Your Days Are Numbered: They only have a few years left to live, since the magicules in their bodies will eventually collapse if nothing is done about them.
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