I read a few of the Monster falls books and I wanted to make one, but it's a little different. Takes place after Weirdmagadion.
Bill was banished from all dementions, including his own. He is now just a speck in the univrse.
But Bill finds a way back into Gravityfalls, but at what price?
Meanwhile Dipper mess's with one of Ford's potions and the town starts to change, how will they change back?