 Also, resurrection is saved for the gods alone, and any human who tried that (unless assisted by the spirits) would face divine punishment, as well as the resurrected soul torn to pieces.Shortly after Kurohime and Zero killing the God of Death Darkray, Sword, the only surviving Death Angel of the battle, gathered a crew of powerful magical witch gunslingers, all of whom have a grudge against Kurohime, in order to avenge themselves by killing her, thus forming the .The four Spirit Kings are the only spirits who has their own free wills by each possessing a soul, while other spirits, also known as demons or devils by humans, do not.