Horror Invasion: I'm Killing Like Crazy in the Human World

[No System + No Formula + Decisive Killing + Male Lead Psychotic + No Female Lead + Cthulhu + Dual Worlds] Before the dawn, the night still lingers, the Lantern Bearer walks forward. In a world shrouded in mist, in dirty and dark corners, shadows in the distance murmur, terrifying chewing sounds, bloodstains staining the walls, vines entangling the building, looking at the sky, tentacles are waving wildly! Yet the Lantern Bearer is hidden in the mist!