Heroic Falls

Twins Dipper and Mabel thought that their world could not get crazier. However, after meeting an old friend, everything changed real fast. For the first time ever, they were on a heroic journey that defied even their wildest imagination. Now, they had to contend with new ways, new truths, and even new lives in this brave new world. [Rated T; part of the Heroic Falls AU]