Mathias Hildesheimer

Original Name (Japanese): マティアス=ヒルデスハイマー
Romaji Name: Matiasu Hirudesuhaimā
Nicknames: Gaius (previous life)
Series: Shikkakumon no Saikyou Kenja
Age: Unknown (appears young despite advanced age)
Weight: Unknown
Height: Unknown
Date of Birth: Unknown
Blood Type: Unknown


Mathias Hildesheimer is the main protagonist of the “Shikkakumon no Saikyou Kenja” series. Despite his advanced age and powerful magical abilities, he often acts surprised or embarrassed due to his antisocial lifestyle in his former life as the legendary sage Gaius. Though not entirely emotionless, Mathias claims he only helps the kingdom because he needs it to grow stronger.


Mathias is the third son of the Barony of Hildesheim. In his former life as the legendary sage Gaius, he was known for his skillful use of ancient magical techniques that were thought to be lost. After his reincarnation, he was born with the emblem of type four, which he believed to be the most powerful.

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Mathias has a youthful appearance despite his advanced age, likely due to his powerful magical abilities. He has silver hair and blue eyes and is described as handsome and attractive.


As the legendary sage Gaius in his former life, Mathias possesses extraordinary magical abilities. He is skilled in ancient magical techniques once thought lost, allowing him to wield immense power.


Mathias Hildesheimer is the main protagonist of the light novel series “Shikkakumon no Saikyou Kenja” and its adaptations. Originally known as the legendary sage Gaius in his previous life, he was reincarnated with the belief that he possessed the strongest Type Four Emblem.

Mathias Hildesheimer – FAQ

Here are 6-8 FAQs about Mathias Hildesheimer from “Shikkakumon no Saikyou Kenja”:

Who is Mathias Hildesheimer?

Mathias Hildesheimer is the main protagonist of the light novel series “Shikkakumon no Saikyou Kenja”. He is a powerful sage who has been summoned from modern Japan to a fantasy world, where he uses his advanced knowledge and magical abilities to face the challenges of the new world.

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What are Mathias’ key skills?

Mathias is known for his exceptional intelligence and mastery of a wide range of magical disciplines, including healing, elemental magic, and spatial manipulation. He is also skilled in swordsmanship and hand-to-hand combat, allowing him to defend himself effectively in dangerous situations.

How did Mathias end up in the fantasy world?

Mathias was unexpectedly summoned to the Fantasy World by a group of nobles seeking a powerful sage to aid them in their quest. Confused and disoriented at first, Mathias eventually adapts to his new surroundings and begins to use his abilities to help the inhabitants of the world.

What are Mathias’s relationships with other characters?

Mathias forms close bonds with several characters, including the noble who summoned him, a young princess, and a group of adventurers. He serves as a mentor and protector to these individuals, using his wisdom and power to guide them through the challenges they face.

How does Mathias’ background in modern Japan affect his actions?

Mathias’ knowledge of technology, science, and modern culture often gives him an advantage in the fantasy world, allowing him to develop innovative solutions to problems. However, his modern mindset sometimes clashes with the traditional customs and beliefs of the fantasy world, leading to interesting conflicts and character development.

What is the overall plot of Shikkakumon no Saikyou Kenja?

The series follows Mathias as he navigates the political and magical intrigues of the fantasy world, using his formidable abilities to protect the innocent and uncover the truth behind various mysteries and conflicts. As the story progresses, Mathias’ role and influence in the world grows, making him a central figure in the larger events that shape the fate of the fantasy realm.