A painting of a giant octopus with a giant head in the middle of a city

(Best quality,8K,A high resolution,Masterpiece:1.2),Ultra-detailed,(Realistic,Photorealistic,photo-realistic:1.37),ultra high res, Ancient beasts from hell，Inside cave, muddy green skin ,faucet, giant humanoid monster, mutant, eldritch horror, scary monster, humanoid, giant crab claws，Crab shell，Long tail，Large tentacles from body, many tentacles from body, tentacles from mouth, slimy skin, slime body, large bat wings，Wings cocked，Sharp claws,beast of prey，buck teeth， Intricate fantasy ink painting, Detailed fantasy ink illustration, fantasy highly detailed, beautiful detailed fantasy, magic fantasy highly detailed, highly detailed fantasy art, epic rivendell fantasy, japanese fantasy, detailed fantasy digital art, detailed fantasy art, colorful, no mistakes, well detailed, ((no art error)), HP Lovecraft, Cthulhu, tentacles, God, many inner dark cells and seals, brain organs intestines inside, wet oiled fiber glossy colorful surface, hyper detailed, artstation, eyes, super mind, (eyes of fear and pain starring the camera: 1.5), old god, warcraft, eldritch deity, c'thun, yogg-saron