A being with no controll over the darkness in his heart.
A proud, cunning, and cruel individual, he has no sympathy for anyone but himself. He is also very arrogant thinking his skills far surpass anyone elses.
Weapon: Void Gear Keyblade.
Ex Mode Unending Darkness: Vanitas's helmet disappers and he gains the χ-blade increasing his attack power and doubles his range.
Ex Burst Black light: Three crystals will form around Vanitas as he aims the χ-blade at his opponent and a massive beam of darkness will strike his foe multiple times.
A being born from the darkness of Ventus, after his birth and separation from Ventus he first felt sadness which quickly turned to hate for he felt that sadness was a weakness. He begins to question his existence and every time he felt something, an Unversed would be born. Annoyed by the fact that he could give rise to such a monster he would quickly strike it down with his Keyblade without hesitation; but every time he would feel immense physical pain. After collapsing from the pain he was told the only way to achieve salvation from the pain was to become the χ-blade.