Haki wasn't born emotionless, starting with the same starting pack as her twin sister Kilya. Frustrated of being in her sister shadow, she tried to be more, crushing her sister feelings in the process, she needed to be stronger. But in the end, she just went crazy.
Short Story
Haki is a strong woman, sister of the Empress of Akasen, and in the past a threat to humanity. Haki was beaten by Black and Erycina and stripped of her Bulgahz powers, giving her sister the perfect occasion to steal them by the same process she got them in the first time. Haki found a way to become a metamorph and now lives under the Coloseum of Akasen as the master of it in disguise.