It began with The First Corruption, when the swarms of Great Waste Carrion Beetles originally tasted dead daemon flesh. The undying corruption within the meat took root in the carcass eaters and began to change them, speeding their evolution into massive and terrifyingly efficient scavengers. When The Second Corruption shattered Newerth, the fully daemonic Carrion Beetles not only feasted upon the mountains of man, beast, and daemon corpses -- they also discovered a taste for living flesh, even though it quickly ceased to be such.