A dark and creepy creature with tentacles and a large head

dark soul boss, Elden Ring style, HP.lovecraft,a terrific creature, an eldritch abomination, lots of long thick tentacles, countless mouth with sharp teeth, colossal shape, lots of glowing eyes,spike, scales,claws, chimera,horn, horror,wings,all combine together in the shape of a tall thin humanoid with snakes came from back, dark color, black energy mist,aura of death, all black, white eye snakes, holding a giant futuristic laser canon

(nsfw:1.5),verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))