Historias de Grvityfalls

Dipper and Mabel Gleeful have an awesome life; The dream demon is under their control, they are rich, everyone loves them, and they don't have to worry about a thing! That's all about to change. Gideon Pines and Pacifica Southeast are looking through Journal 3. They come across a weird saying. Out of curiosity, Gideon decide to chant out the saying. Now Gideon has summoned something he and Pacifica can't handle on their own. What will happen when Dipper and Mabel Gleeful find out what Gideon and Pacifica summoned? What can Will do to prevent the dream he keeps having? (DISCLAIMER: The Gravity Falls characters belong to Alex Hirsch!!!)