A giant octopus with a glowing head and tentacles is standing in front of a dark sky

(best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),cosmic horror,terrifying gargantuan demon summoned from a magic square,deformed head with twisted horns,incredible number of enormous fangs,sharp and elongated claws,long tail,dreadful figure enveloped in blue flames,dark and eerie atmosphere,intense otherworldly presence,flickering ethereal glow,mythical and menacing aura,tentacles writhing and coiling ominously,ominous shadows looming in the background,powerful and malignant entity emerging from a portal of darkness,sinister and surreal alternate dimension,overwhelming sense of dread and fear,unsettling and disturbing composition,extremely detailed and intricate artwork,nightmarish and grotesque appearance,eerie and piercing gaze,ominous and predatory posture,outlandish and contorted anatomy,demonic energy pulsating from every fiber,ominous whispers echoing in the air,hypnotic and disorienting visual effects,dark and foreboding color palette,dynamic and dramatic lighting effects,ominous and mysterious ambience,ethereal and haunting presence,evoking deep-seated unease and terror,fantastical and monstrous abomination.

animal ears, 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))