An AU off Sock Opera, with spoilers naturally. The damage Dipper's body has undergone kills it, leaving Dipper stranded in the mindscape with only Bill Cipher for company. Can Dipper still solve the mysteries of Gravity Falls, when all he has is a triangle to help him maintain sanity?

A possible origin of sorts for Helga Hufflepuff, or at least an explanation for why she's the one known for taking in the cast-aside students.