It’s bad news for Cats, Griffons, Vipers, Bears, and more.
Apparently, Witcher schools were never meant to be a thing. Try telling that to CD Projekt Red, which has poured this lore into the world of The Witcher, highlighting the differences between the schools of mutant monster hunters. However, according to the original author Andrzej Sapkowski, the idea of Witcher Schools was something he never meant to create.
