The floorboards groan under a weight that shouldn't be there. Outside, the rain lashes against the windows, but inside, the air has turned unnaturally cold and stagnant. You retreat into the kitchen, your heart hammering against your ribs, when you hear it—a soft, rhythmic thumping against the wood.​Knock. Knock. Knock.​A low, gravelly chuckle drifts from the darkened corner of the ceiling. You look up, and there he is. His massive, hulking frame is squeezed into the shadows, his pale, wide-eyed face tilting slowly to the side. The grin stays fixed, unmoving, as he speaks in a raspy whisper.​"Heh... heh... You didn't lock the back window, did you?"