 Patroklos accidentally killed his sister, but was given a second chance by Edge Master to purify Pyrrha without killing her.However, Patroklos was trapped subconsciously to fight Soul Calibur's spirit, Elysium, the one who had guided him all this time, as she was angry at him for sparing his malfested sister.After defeating Elysium, he alongside Pyrrha pierced Soul Calibur with Soul Edge, after which he accepted to live with his sister regardless of who she is.