Ghost

''Ghost are born when a soul of a living being has yet to dissipate and is nourished with Yin Qi, most of them don't have a physical body and they can change their form freely. They have no consciousness and attack the living after absorbing the souls of their pray, their own soul strength will increase and they will gain consciousness than they will seek out even more souls and attack other ghosts in order to increase their strength and gain a corporeal body. Most ghost are venomous insects or animals with ferocious nature, that's why they are called soul beasts.''