Bill suddenly transformed, similar to the way he'd changed into a giant monster when he'd chased Mabel and Dipper through the Fearamid, only now he looked more spider-like.

It was even more terrifying than he'd been back then.

"All the power in the world won't save you, Pine Tree! It's still doesn't even come close to comparing to my own!"

"Great Uncle Ford told me that being a hero means fighting back even when it seems impossible!"

"Then it's not the only thing Sixer will be wrong about it!"

From the center of Bill's mouth he shot webbing at Dipper's face. The surprise of it meant his protective teke aura dimmed and it managed to successfully stick to his face, making it hard to breathe and impossible for him to see, leaving him vulnerable.