He's a trained assassin and nen master. He is a stony, ruthless person with an extremely cold way of thinking, reflecting only his interest. displays very little expression, Illumi often speaks in a somewhat joyful and absent-minded tone. He has very long jet-black hair, and very large black eyes. He uses a very manipulative and smothering way of loving. He can be very caring and loving, always wanting to protect his loved ones.