Derek Redbat

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Derek Redbat
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Gender: Male
Japanese Name: デリック・レッドバット
Chinese Name: 德里克·雷德巴特
Korean name: 데릭 레드배트
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🎙️ Anime Voice Actor

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Seiichirou Yamashita
Seiichirou Yamashita
Japanese(Anime、Voice Actor)

🎬 Appearing Anime

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Mushoku Tensei
Mushoku Tensei
Release date: Jan. 11, 2021

Character Setting

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Derek Redbat is a human noble and upper-rank magician from the Asura Kingdom, best known as the guardian magus and loyal retainer of Ariel Anemoi Asura.

He is remembered for his political insight, idealism, and ultimate sacrifice during the Fittoa Region Teleportation Incident.

Name: Derek Redbat

Race: Human

Gender: Male

Derek is the third son of a middle-ranking noble family in the Asura Kingdom.

He graduated from the Asura Magic Academy as an upper-rank magician and went on to serve in the royal court.

Derek was born into an Asuran middle-class noble house, which gave him both education and proximity to political power.

As the third son, he had little prospect of inheriting family leadership, pushing him toward a career based on talent rather than birthright.

He enrolled in and successfully completed his studies at the Asura Magic Academy.

There, he distinguished himself enough to earn the title of upper-rank magician, a status recognized across the kingdom.

His abilities and clear-eyed judgment brought him into the orbit of Ariel Anemoi Asura.

He ultimately became one of her closest retainers and served officially as her guardian magus.

Derek possessed strong ambitions and a sharp, analytical mind.

He looked critically at the Asura Kingdom, believing it had fallen into stagnation due to entrenched noble corruption.

He was not a cynic, however.

He believed the kingdom could be reformed and revitalized if the right person took the throne and used power responsibly.

Derek saw in Ariel both exceptional charisma and remarkable decisiveness.

To him, she was the ideal candidate to break the kingdom’s deadlock and lead it toward renewed prosperity.

Derek’s loyalty to Ariel was rooted in both respect and conviction.

He admired her natural leadership, political acumen, and the way she inspired those around her.

He repeatedly urged Ariel to actively seek the throne of Asura.

In his view, only by becoming king could she dismantle corrupt structures and guide the nation into a new era.

Derek did not flatter her or follow blindly; he offered candid advice grounded in a clear vision for the realm.

His role as guardian magus was as much political and strategic as it was protective.

As Ariel’s guardian magus, Derek was responsible for her magical defense and battlefield support.

His status as an upper-rank magician meant he could handle powerful spells, making him a key asset in dangerous situations.

Within court politics, his position also gave Ariel a layer of protection against magical threats and covert attacks.

He stood close to her not only as a shield, but also as a trusted counselor.

Derek believed the Asura Kingdom’s decline was not due to lack of resources or talent, but to decayed institutions and self-serving nobles.

He worried that if nothing changed, the country would fall further behind its potential.

He envisioned an Asura Kingdom led by a strong, reform-minded monarch.

With Ariel on the throne, he believed corruption could be curbed and national strength renewed.

To Derek, merit, competence, and responsibility mattered more than rank alone.

He wanted a kingdom where nobles served the realm, not just their own pockets.

During the Fittoa Region Teleportation Incident, numerous people and creatures were abruptly transported across the world.

In the chaos, a monster was teleported directly into the Asura royal palace, turning the heart of power into a battlefield.

Derek reacted immediately, placing himself between Ariel and the rampaging threat.

He used his magic and his own body as a shield, fully committing to her protection.

The battle ended with Ariel’s life saved, but Derek paying the price with his own.

His death was both a tactical success and a personal tragedy for the princess he served.

Derek died in the line of duty, protecting Ariel from the monster that appeared during the teleportation disaster.

Even in his final moments, his concern was not for himself, but for the future of the Asura Kingdom.

With his dying breath, he urged Ariel to become the ruler of Asura.

He asked her to turn the kingdom into a better nation, one worthy of its people and potential.

His last words became a moral burden and a guiding star for Ariel.

They encapsulated his entire life’s conviction: that power exists to be used for the common good, not personal indulgence.

Derek Redbat is remembered as a rare combination of capable noble, talented magician, and principled idealist.

His sacrifice elevated his advice to a solemn charge, deeply influencing Ariel’s path and ambitions.

Within the Asura Kingdom, his story stands as a quiet but powerful example of duty over self-interest.

For those who know his name, Derek symbolizes the possibility of a reformed nobility that truly serves its people.

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(Last edited time: May 14, 2026, 10:48 p.m.)

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