A chilling entity resembling a spider with elongated limbs and glistening carapace, its many eyes glowing an eerie crimson. It lurks within the shadows of a dimly lit cave, the air thick with tension. Amidst the foreboding atmosphere, an ancient wooden chest filled with shimmering emeralds spills its treasure across the rocky floor, casting flickering reflections on the cavern walls. The scene exudes horror and mystery, captured with intricate details that lend a cinematic quality to the fantasy-inspired tableau, rendered in breathtaking 4K resolution.