extremely detailed CG unity 8k wallpaper, a huge Cthulhu ornate grey and black antropomorphic body, attacking and sinking a ship, stormy waves of Arctic, near a rock, lots of fine details, cinematic 8k wallpaper, sharp focus, megalophobia, high contrast, rim light, dark tones palette, extremely detailed 4k digital painting (character design trending on Graey Erb, artstation, Lovecraft) , stoic cinematic, bioluminescent details, overcast reflection mapping, cinemeatic, movie quality, vfx post production, atmospheric lighting, subsurface scattering, hyperrealism, insanely detailed, harp focus, unreal engine 5, octane render, 8k