Rimuru Tempest

"To everyone who went against us, we will bare our fangs and retaliate. To everyone who lends their hands to us, we will grant our blessing to them. To our opponents, we will do to them what they have done to us. In the future, I hope that we can be linked in a friendship one day."

- Rimuru

"Great Demon Lord" Rimuru Tempest「"大魔王" リムル・テンペスト, "Dai Maō" Rimuru Tenpesuto」, formerly known as Satoru Mikami, is the main protagonist of Tensei Shitara Slime Datta Ken.

A partner and best friend of the True Dragon Veldora Tempest, Rimuru is the founder and King of the monster country Tempest of the Jura Forest. He is regarded as one of the strongest Demon Lords among the mighty Eight Star Demon Lords if not the strongest and is also the only proper Great Demon Lord currently.undefined His servants are numerous, and currently consist of Twelve Demon Lords subordinates under his command.

Slime
Rimuru initially appears as a blue-bodied slime, but upon becoming a Demon Slime, his body turns silver with streaks of gold.

As a slime, since his body is androgynous, anything he mimics takes on an androgynous form of the respective creatures, while still bearing huge resemblances to the individual creatures as well.

His mass also grew over time, allowing him to accommodate larger mimicry forms without using extra magic to compensate for the additional mass. Towards the beginning of the story, he only has enough mass to appear as a human child, but by the time he becomes an Ultimate Slime, he has enough mass to appear as a 16-year-old.

Mimicry: Human
In this form, Rimuru possesses silver (blue in the Light Novel, Manga, and Anime) hair. There are no visible sex characteristics; however, he is often mistaken for a young girl due to the fact that the original form belonged to Shizue Izawa. But when he wears the anti-demon mask he kept as a memento from Shizu, his speech pattern can also make him seem like a prepubescent boy to others.

Unlike Rimuru's other Mimics, his hair changes color to one similar to that of his original slime body. It is unknown if this is just for convenience's sake, but it may also be possible this is because he was once human before and has a special connection to the form.

Since his slime body is equal in mass to his human form, he fills this body with solid shape instead of black fog. Without the black fog, there is no additional magic consumption required to maintain the form. There is no discomfort when he assumes this form. If he uses the black fog, he can also assume the form of an adult.

His fine motor capabilities improve when he is in his human form, and he finds it easier to move in than his slime form. Even though it appears to be human, this form has no need for breathing, excretion, and reproductive organs. However, he can freely eat, taste, and drink.

In his human form, he wears a black (blue in the Manga and Anime) fur coat and a scarf. Under the coat, he wears the kimono and pants that Shuna had made for him. He also wears the steel thread underwear he makes himself. He often wears Shizue’s old mask to hide his demonic powers.undefined

Since eating the Orc Disaster, his human form has grown a bit. He now assumes the form of a pre-teen with feminine features. In this form, he is around 150 cm in height. In addition, he has obtained a devil transformation.

Upon becoming a True Demon Lord and changing his race change to Demon Slime, Rimuru has been depicted wearing a black overcoat. His nails also appear sharper and his overall human form appears slightly older.undefined

Upon evolving further into an Ultimate Slime, Rimuru's human form ages to that of a 16-17 year old. This form is described by Velgurind as appearing gender-less (as she saw it nude upon creation) but with dangerously cute features. By simply willing it, Rimuru can generate clothes from his own mass and magic power.undefined

Personality
He has a kind heart and a quirky personality. Even though he is quite laid back and wants to avoid troublesome situations as much as possible, he actually works very diligently when there is a task needed to be taken care of.

With the heart of a hardworking salaryman and a beloved senior co-worker, Rimuru has a hard time rejecting someone if they plead him to help, leading in him often ending up with more work than he can handle, which his boss from his previous life used to reprimand him for.

Being the very Satoru Mikami himself, he also believes himself to be a KY-person (Kuuki Yomenai) who makes jokes at the wrong time.undefined

Rimuru tends to react very severely when there's a danger to his close ones, such as his countrymen, subordinates, (possibly due to the soul-link he shares with them), good friends, and students (he can't stand children suffering). One might say he overreacts to these cases, but it simply shows how deeply he cares for them, as a stark contrast with his usual cheerful self.

Unlike many other shounen protagonists, he has no problems with decimating any forces who dare to harm his subordinates and his country, regardless of their numbers, realizing full-well about the deed he's done.

After a mishap of subsidies, Rimuru tends to quickly revert back to his laid back self and mentally (or even in actuality) scratches his head at the scenery he caused.

He is described as cautious and cunning by other fellow Demon Lords, unaware that it is simply a means of him trying to prevent troublesome situations from going out of hand. As he progresses through the story, he slowly becomes more and more like an actual Demon Lord, and as he adjusts to the rules of the new world and understands the capabilities of his subordinates, he begins to let them handle tough situations on their own instead of voluntarily diving in first to patch stuff up.

He seems to have a lot of knowledge about video games and manga.

Naming Occasions

 * 1) The Goblins: Rigurd, Rigur, Gobta, Gobute, Gobuzo, Gobucchi, Gobutsu, Haruna, etc. Along with the Direwolfs: Ranga.
 * 2) The other Goblin tribes: Ririna, Regurd, Rugurd, Rogurd, and several hundred other goblins.
 * 3) The Ogres: Benimaru, Shion, Hakurou, Souei, Shuna, Kurobee.
 * 4) The Orcs: Geld, Yama(s), Oka(s), Hora(s), Umi(s), Kawa(s), Ko(s), Mori(s), Kusa(s), Suna(s).
 * 5) The Lizardmen: Abiru, Gabiru, Souka, Touka, Saika, Nansou, Hokusou, and several dozen lizardmen.
 * 6) Beretta.
 * 7) Diablo.
 * 8) Gozurl, Mezurl.
 * 9) Zegion and Apito.
 * 10) Kumara (Coccus, Raiko, Getto, Yoda, Mink, Byakuen, Enchou, Igami), Adalman, Albert.
 * 11) Black Corps Demons: Testarossa, Ultima, Carrera, Moss, Veyron, Venom, Esprit, Cien, Zonda, Agera.
 * 12) The Dragon Guardians: Zephyrus, Boreas, Euros, Notos, Wenti.
 * 13) Velgaia.

Trivia

 * Rimuru's original coloring in the original Web Novel is white instead of the color blue like in the Light Novels, Manga, and Anime.
 * He, along with Shuna and Shion, are voted as the three major idols of Tempest.
 * Rimuru likes to fantasize about female Elves.
 * Rimuru's Power's are Comparable to Veldanava even when he's at his prime because Rimuru was also gone to Veldanava's origin which it's the void (although not the same place specifically). Rimuru can control Nihility (Turn Null) as an Ultimate Skills unlike Veldanava lost this when after He leaves the void (Empty Space/ Nothingness) and Started creating worlds. He might be even better Controlling Nothingness. Because Rimuru can still use Nihility without Losing it.
 * Rimuru also can create worlds and can make a copy of the existing ones.
 * Rimuru is the one who has the highest counted named subordinate's known so far.
 * Rimuru Defeated Yuuki Kaguzuraka with only one skill when Yuuki Kaguzuraka Can Defeat Milim Nava, Guy Crimson, Ramiris (Adult Form), Velgrynd, Velzado, Veldora, Velgaia and Diablo alone at the Final Fight.
 * Chronoa Stated that The Current Rimuru (Original) are Ten Times Weaker than The Rimuru at Chronoa's Original Timelime (Different/ Parallel Timelines). [Source LN vol. 12]
 * Rimuru can go into Another Dimensions and Different/ Parallel Timelines and Find His Parallel Existence and Combined into One. Although only His Past Life and at Earth, He Had done this. And He only Shared His Memories.

Gallery
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