A chilling creature resembling a spider with an unsettling aura, its eyes glowing a sinister shade of crimson. Its body, intricately detailed, exudes an eerie elegance as it prowls within the shadows of a dimly lit cave. In the background, an ancient wooden chest lies agape on the rugged ground, spilling over with gleaming emeralds that catch the faint light, casting a ghostly green glow across the cavern walls. The atmosphere is thick with a foreboding sense of dread, as if the cave itself harbors dark secrets. The scene is captured in stunning cinematic quality, evoking a sense of fantasy steeped in horror, every detail rendered with intricate precision as if in a haunting 4k photo.