Berserker
Megalos, バーサーカー
The servant of illya is a large man with tough skin and incredible strength. he carries a massive stone sword that he uses to inflict significant damage with each swing. despite being stripped of his mind and acting like an animal in battle, berserkers are highly respected for their power. although managing them can be challenging, illya seems to have no trouble doing so.
Spoilers:
His real identity is Heracles (Hercules), the half-god and half-human hero from Greek myths.
