Heart is a very Emotional being, often being seen as childish. he split off from mind and soul. who originally formed a whole, but none of them are compatible with each other, which caused the split in the first place. Heart is Blind, having lost his eyes in a trifle with mind. he is very soft spoken, yet at the same time adamant to heard. he is very weak, unable to fight back against mind, he has the least power between Soul, mind, and himself. Mind being in the middle, and Soul having the Most