Meiling become an almost decapitated walking zombie. Hina is practicing Kappa inquisition. Tewi has some decapitated feet fetish. Star become Rambo and battle Cirno to the death.
And...
Byakuren went Hitler, and summons her nazi army upon the humans and begin stabbing people with UFOs. Mokou snapped and begin burning people at the village. Sanae went higurashi on Kogasa. Koakuma unleash her inner devil. Yuyuko become blood thirsty tempted to eat everything, she even eat her gardener. Reisen II killed Yukari using her shikigamis and Koishi fuse on Yukari's lifeless body just like in tekken.