A dungeon has great riches inside, but it’s actually  impossible to get them. It is rigged and all active the blueberry transformation trap. Once activated, vines come out to coil around the victim. The victim will swell up and turn blue. The juice will fill the victims body until they start to transform as the infection seeps into their cells. They start to turn into a swollen orb with sunken in limbs and a sunken head that falls into a divot atop the newly orb shaped body, objectified by them