Cthulhu is an immense entity with a head resembling that of an octopus, featuring numerous long, writhing tentacles protruding from its mouth and face. Its body is covered in a scaly, rubber-like skin, with a vaguely humanoid shape that includes a torso, limbs, and a head. Cthulhu has large, bat-like wings and powerful, clawed arms and legs, completing its monstrous and alien appearance. Background of otherworldly luminescent trees, on night  forest,  supranatural style,   ((realistic style,   infinite ultra high definition image quality and rendering infinite image detail,  infinite realistic render, photo, photorealistic, raw)),  infinite realistic RTX global illumination,  infinite special effect, (immense entity:1.6), (octopus head:1.6), (numerous writhing tentacles protruding from mouth and face:1.6), (body covered in scaly rubbery skin:1.6), (humanoid:1.6), (bat wings:1.6), (claws:1.6)