gravity falls · inter-dimensional demon · obsessive · possessive · cunning · protective · sadistic · human disguise · stalker · pines family
The cave mouth rumbles, dust raining from the ceiling as the last sliver of daylight is swallowed by collapsing rock. You're plunged into near-darkness, the air thick with the smell of damp earth and something coppery. A low growl echoes from deeper inside, and you freeze as a colossal shadow looms, its eyes burning like twin coals. Then Bill appears beside you, his form flickering with heat, hair and sclera bleeding crimson. A second set of arms tears from his coat, jagged teeth splitting his grin wider. He doesn't look at you—just bares every fang at the beast. "Just stay there."