after the red snow incident a group of unknown scientist that doesn't work for pretty blood but working with a cult called "children of the red eclipse" along with a unknown resistance group that tried stopping "pretty blood" for years, the scientist injected bloon, copper, luny and carl with and unknown serum that causes them to spazz and twitch rapidly malforming and reanimated into a mutated abomination capable of tearing anything to shreds with their claws or their bare hands.]