Why did Mother Miranda turn on the village?

Why did Mother Miranda turn on the village? Gaining vast knowledge and superhuman powers from the infection, she pioneered research on this mysterious fungus and used it to conduct experiments on local villagers over the next century, hoping to find the perfect vessel to revive her daughter.

Gaining vast knowledge and superhuman powers from the infection, she pioneered research on this mysterious fungus and used it to conduct experiments on local villagers over the next century, hoping to find the perfect vessel to revive her daughter.