This theory is about Boo from Monsters Inc. Ok so this theory involves time travel and magic but long story short Boo and the whitch from Brave are the same person!
Here me out: We all know that at the end of Monsters Inc Sully saw Boo at least one for time. And after Boo relised Sully wasn't coming back, she became obsessed with finding Sully on her own. Then she rembered the doors.
Clearly, the kids the monsters scare weren't in the same time or universe. So Boo found a way to harness the power of time travel through wood! This is why she widdles through out Brave. She is experimenting different things to do with wood.
By the way this is also why the banishment doors in Monsters Inc are mental. It harnesses the magic of time travel for a sh…Read more >