Prelodius belongs to a noble society that worked as peacemakers between worlds, in one travel he got infected by a virus, which started a metamorphosis in his body, turning him into a hideous creature, he was able to stop the virus by gaining mental control of his body. Although the virus moved to the extremities and in order to survive he managed to create 2 mouths in his hands. so it could feed from souls and antimatter. And so he continued through the rest of his days, carrying this "curse" because if the virus was exterminated so would he.