Just as the soul transfer had begun, a purple vortex ripped open and rushed into the colossus. Only a small fraction of the paladin’s essence had made it into the golem at that point. Since the golem was now occupied, the rest of his soul was left without a host to enter and escaped into the halls. Two of my colleagues were standing too close and were instantly vaporized. Myself and the remaining four were forced to retreat as the corruption quickly spread through the halls.
-Malus 2018 from official lore
