Personality Effects: Irrationality, Rage,Blood Lust.
Details: In This form he awakens his Valhallian blood, but due to him being half human half Valhallian his Pact causes blood to run out of his wrist. Due to this he can only maintain this form for a limited amount of time.
During his transformation his skin and hair darken a bit more and his eyes become blood red and has elf-like ears.
He's more impatient and grumpy then usual and Acts on impulse.
Ability Effects: Berserk Drive
Details: He obtains monstrous super strength, speed, agility and endurance.
Mostly almost vulnerable to physical attacks bullets and even a Missile explosion.
Only down side he is very vulnerable to magic.