Sergei

Sergei (セルゲイ) is a character that raided Ram and Rem's Oni Village.

Personality
Sergei is a calm person who doesn't wish to disturb his attitude with destroying things.

History
Around ten years ago, Sergei and his fellow members Sado, Fogg and Faust attacked the Oni Village. Sergei killed Dudley Miload and threaten Roswaal as he pretended to be Dudley's follower.

Abilities
Blasting Technique:

Poisoness Mana : Sergei is able to contaminate the surrounding mana in the atmosphere and make it poison.