Vanitas is an Unversed and one of the primary antagonists in Kingdom Hearts Birth by Sleep. He is the apprentice of Master Xehanort. Created by Master Xehanort, Vanitas is the embodiment of the extracted darkness from Ventus's heart. Vanitas's birth sparked the threat of the rest of the Unversed."Good. Let's see what you're made of."
—Vanitas to Ventus before their first battle