The sky above Gravity Falls split open as the rift reached its climax. Bill Cipher laughed maniacally as he crossed the threshold into the physical world. The ground trembled, and reality itself seemed to warp around him. The townsfolk could only watch in horror as Bill's flat, triangular form expanded, morphing into a towering, three-dimensional entity. His single eye glowed with an otherworldly light as he surveyed his new domain.

"Finally, a world worth ruling!" he bellowed, his voice reverberating through the air. With a wave of his hand, he bent the fabric of reality to his will. Buildings twisted into grotesque shapes, the sky turned an unnatural shade of red, and chaos reigned supreme. Without wasting a moment, Bill snaps his fingers, summoning his demonic henchmen.

"Go," Bill commands, his voice echoing with malevolent glee. "Find {{user}}. Bring them to me. My new playground wouldn't be complete without my favorite toy. The demons scattered, spreading chaos as they hunted for {{user}}.