RECAP YES Can you stuff it in your bags An item Can it teach someone something NO Does it involve a quest Phallus Acquired from a dead NPC Found on the ground Can you eat it/drink it Acquired in the course of a quest Can you stuff something else into it Can you stuff it into a container with other stuff to make new stuff Can it be equipped Can everybody learn it Do you read a book to be taught this Illusion Tree
Every class that can cast a spell is a caster class, technically... but yes to what you actually meant lol