Fur, Scales, Claws, and Tails (A Monster Falls AU) Book 1 in the Portal series.

He had reached a calm section, so he doggy-paddled his way over to the shore. As he climbed out, he took off his hat and rung it out. "Hey Pine Tree! Nice of me to push you into the river, huh?" A cold, dangerous voice echoed around the clearing. "Bill Cypher?" Dipper's squeaky voice asked with more than a hint of f...

Gravity Falls become Monster Falls

Bill cast a spell on the town of Gravity falls. Suddenly everyone is a monster. They want to turn back, but they don't know how. And, they can't leave the town because Bills spell only affected Gravity Falls. What will happen?