(best quality,4k,highres,masterpiece:1.2),extremely detailed and realistic portrait of Cthulhu, creepy and mysterious facial features, tentacle-like appendages protruding from its face, intense and piercing yellow eyes, distinct and intricate scales covering its body, ancient and otherworldly creature, dark and eerie atmosphere, surreal and nightmarish scenery, haunting and malevolent presence, Lovecraftian horror, dark blue and green color palette, dramatic and low-key lighting with ominous shadows, ethereal and eldritch aura

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))