Vix is a individual made of Vanitas darkness and essential a clone of him, so his personality it close to the same. He has often show a look of indifference and acts the same. His casual stance of aloof indifference often comes across as rude in many instances, even if he doesn’t intentionally mean it that way, although he’s has shown he does possess a wide range of emotions, having shared anger, frustration and resentment against Vanitas, but also care, compassion and understanding.