Berserka

Berserka is the alter ego of Jin, and his main source of fighting power. It is unknown why Jin is the host for Berserka and how Berserka got inside him. Berserka is a powerful demon spirit, similar to Geismael. He is a tall dark humanoid with black scales and serpent-like features to his face. His eyes glow red and he has the eye of the dragon on his forehead and chest.