The soul residing in the lantern

After everything, Wirt protected his brother but sacrificed himself in the end. What will happen to the once awkward teenager turned into a monster? Will he be the child he once was or will he change into the thing he hated most? After all this is the unkown, and the unknown is a true mystery.

Two teenagers get lost in a mysterious forest with no way out. After what happened three summers ago, Mabel and Dipper has changed, yet they haven't stopped adventuring their wondrous world of mystery. How much have these teens changed and how will they respond to this bizarre situation?

(I do not own any of the characters in OTGW or GF)

This is my first fan fiction so I hope u guys like it. I've written before so I think my skills are alright.