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Tensei Shitara Slime Datta Ken Wiki
Tensei Shitara Slime Datta Ken Wiki
This article is about the character "Shizue Izawa". You may be looking for the anime episode titled "Shizu".

Shizue Izawa (井沢静江(いざわしずえ) Izawa Shizue), also known as just Shizu (シズ Shizu), was the companion of the previous Hero and a Japanese Summoned Otherworlder.

She was also known as the "The Conqueror Of Flames," an A+ ranked Adventurer of the Free Guild's Headquarters and the former homeroom teacher of the Freedom Academy's S Class students.


Shizue was a young woman of average height with blue eyes and black hair, and a red burn mark under one of her eyes. After separating herself from Ifrit and becoming human once more, she became a frail but kind looking old lady with white hair.


Shizue was a friendly and kind adventurer who was a good teacher to her Otherworlder students. She cared a lot about people close to her and would go to great lengths to protect them.


In her original world, she had no relatives and lived alone with her mother. Her father was drafted, and she couldn't recall his face. Feeling neither blessed nor unfortunate, she had no choice but to accept it.

She was injured during the Bombing of Tokyo during World War II. She was four at the time. Although she was summoned to this world during the bombing, it was not before she was badly burned. As she arrived, it was thus revealed that Demon Lord Leon Cromwell was responsible for summoning her. At first, he considered her existence a waste, a mere loss of a failed summoning attempt of Chloe Aubert. However, her sincere plea for help made him change his mind.

Leon reconsidered her value to him and then called forth the Flame Giant Ifrit. He then had Ifrit possess Shizue's body. In truth, he did this to prevent the collapse of her body under the rampaging magic from the summoning. Thus, this possession enabled her to stay alive from both her burn injuries and her unstable magicules from being summoned as a child.

As a Majin of flames newly named 'Shizu', she became an aide for Leon who was occupying Kazaream's castle at the time. When the Hero Chronoa invaded, Leon fled, abandoning his castle. She was left as the rear guard, which Shizu thought to mean she was thrown away by the Demon Lord, but Leon actually hoped, based on the information he gathered, that the Hero would take along Shizu.

After fighting the Hero for some time despite being outmatched, Shizu ran out of magicules and Ifrits will fell asleep allowing the Hero, who was actually Hinata in control of Hero Chronoa's body, to take her in and mentor her. To help control Ifrit's will, the Hero handed Shizue the Anti-Magic Mask.

However, the Hero left on a journey one day. Since then, Shizue went on to be an adventurer of her own and became a Champion known as the "Conqueror of Flames".

Sometimes called one of the founders of the Free Guild, she had worked for the expansion and benefit of the Adventurer Cooperation Union. She also took part in training adventurers and her successors. At one time, she had taught two exceptionally excellent students, Yuuki Kagurazaka and Hinata Sakaguchi.

After the Adventurers Cooperation Union had formally changed its name to Free Guild, Yuuki introduced the current ranking system. As a result of it, casualties during subjugation missions greatly decreased. Shizue began supporting Yuuki behind the scenes. Due to no longer being able to contain Ifrit, she had to retire from being an adventuring and focused on being a teacher instead.

Over time Shizu was even less able to contain Ifrit, Thus, she decided to set off to find Leon one more time to find out the method with which Leon saved Shizu as a child so that she can apply the same method to save her 5 current students.

In the Kingdom of Blumund, via her connection to Franz, Blumund Guildmaster Fuze's father, it got arranged that she'd be traveling together with Kaval's party into the Great Forest of Jura.

During the trip Ifrit finally managed to take over her consciousness once more due to her weakened state, However, With the last of her Will, Shizu was able to separate herself and Ifrit entirely. Not wanting to live with Ifrit in control of her body and letting her die as a "Human" instead of a "Majin". After Rimuru defeated Ifrit, Shizue's consciousness returned for a short time. Her last request, as a now frail and white haired woman, was for Rimuru to put her to rest within himself, to make Demon Lord Leon Cromwell acknowledge her existence, and to save the children.

Much later, during the fight with Granbell in Volume 11, Her memories and emotions inherited by Rimuru manifested themselves inside Rimuru's subconscious mind in order to give Hinata and Chloe closure.


  • The name Shizue means "quiet" (静) (shizu) and "bay, inlet" (江) (e).
  • Shizue's surname Izawa means "well, mine shaft, pit" (井) (i) and "marsh" (沢) (sawa/zawa).