Cato El Altestan

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Cato El Altestan
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Age: 60
Gender: Male
Japanese Name: カトー・エル・アルテスタン
Chinese Name: 加圖·埃·阿爾泰斯坦
Korean name: 카토 엘 아르테스탄
Romanized Name: Kato Eru Arutesutan
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🎙️ Anime Voice Actor

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Yūichi Nagashima Nagashima / Choo
Yūichi Nagashima Nagashima / Choo
Japanese(Anime、Voice Actor)

🎬 Appearing Anime

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Gate
Gate
Release date: July 4, 2015

Character Setting

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Cato El Altestan is a legendary sage and master of combat magic, renowned across the Empire and respected as Lelei La Lalena’s mentor.

Cato El Altestan has reached advanced age for his species, presenting all the hallmarks of an elder sage.

His demeanor often shifts between wise mentor and mischievous old man, his expressions giving away a playful, sometimes indecent sense of humor.

Cato is intellectually brilliant, honest, and unfettered by envy, open about praising true talent in others.

He has a habit of making lewd jokes around Lelei La Lalena, partly as genuine mischief and partly as a way to engage with her emotionally reserved nature.

His relaxed, broad-minded attitude distinguishes him from other master magicians of Rondel, making him both beloved and infamous.

Cato El Altestan was once a leading authority on combat magic in the academic city of Rondel, devoted to magical research.

Due to undisclosed circumstances, he relocated to the remote Coda Village, where he became known among locals as a sage.

With the rise in conflicts and the arrival of Japanese forces, Cato settled with refugees in Arnus and became an executive of the cooperative living association.

Regarded as one of the most distinguished mages alive, Cato holds the prestigious title of "Master" in the Empire, specializing in natural philosophy and the physics of magic.

His deep expertise allowed him to author the popular "Red Book," a Japanese language textbook for locals working with the Arnus association.

He is familiar with phenomena unfamiliar to most, such as volcanic earthquakes, indicating his scientific mindset.

Cato is the revered mentor of Lelei La Lalena, guiding her research and magical practice.

He recognized Lelei’s ingenuity in creating new offensive spells using Japanese texts, supporting her rise in magic circles.

Cato is an ally and advisor to Yōji Itami’s group, playing a key role in supporting their battle against the flame dragon.

His fame as a master mage is so great that mentioning Lelei as his disciple gains instant recognition among Empire officials.

Cato has a reputation among children and students for his playful ways, teaching both language skills and basic literacy in Arnus.

He authored the "Red Book," which is the go-to Japanese textbook for locals, further bridging the cultural gap.

His favorite method of interacting with emotionally distant students is by provoking reactions—especially from Lelei.

Although advanced in years, his mind is as sharp as ever, making him one of the most influential figures in magical academia.

"It is better to teach the ignorant than envy those with talent."

"If you don’t react, I’ll keep teasing you."

Academic Pursuits and Relocation

Cato El Altestan started as a foremost expert in combat magic at the academic city of Rondel.

Due to undisclosed reasons, he moved to Coda Village, where his reputation as a sage grew.

Life in Arnus

During the unrest, Cato joined refugees in Arnus, becoming an executive in the cooperative living association.

He devoted himself to teaching language and literacy, instructing students from both the Empire and Japan.

Support of Lelei La Lalena

Cato guided Lelei’s rise as a magical researcher, encouraging her innovation and experimentation.

When Lelei invented a new combat spell from Japanese sources, Cato praised her and supported her quest for the "Master" title.

He authorized Lelei’s youngest-ever challenge for the "Master" title after she successfully helped defeat the flame dragon with Yōji Itami’s party.

Imperial Recognition

Cato’s fame ensured Lelei received high regard from the Empire’s elites, simply by being called his disciple.

His open-mindedness and lack of envy made him a model of academia, distinct from the competitive mentors of Rondel.

Cato’s specialization in natural philosophy gives him unique insight into physical phenomena like earthquakes and volcanic activity, rare in his world.

His personality combines intellectual gravitas with an uproarious, sometimes embarrassing sense of humor, making him both unorthodox and effective as a mentor.

Cato’s influence in academia and the cooperative association bridges gaps between worlds—both magical and cultural.

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(Last edited time: Aug. 16, 2025, 12:15 p.m.)

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