A terrifying alien entity resembling a humanoid spider, with glistening venom dripping from its fanged mouth, emerges ominously from the shadows of a foreboding cave. Its piercing green eyes, filled with deadly intent, glow hauntingly in the darkness. The creature's intricate body design boasts elaborate details that hint at a complex and menacing nature. Set in dramatic lighting that amplifies its horror, the scene is captured in stunning photorealism, exuding a cinematic atmosphere with a hint of grainy texture.