A drawing of a cat with glowing eyes and a tail

a black wolf furry, uploaded on e621, male, purple eyes, attractive, anthro, alone, standing, full body, evil, refsheet, thin, demon sigils, red halo

(nsfw:1.5),deformed, human, simple background, lowres, text, error, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, blue fur, blue body, bad anatomy, bad hands, ugly, morbid, extra fingers, missing fingers, extra digit, fewer digits, poorly drawn hands, mutation, extra limbs, gross proportions, missing arms, mutated hands, long neck, duplicate, mutilated, mutilated hands, poorly drawn face, deformed, bad anatomy, cloned face, malformed limbs, missing legs, too many fingers, breasts, large breasts, simple background, blurry, bad hands, bad anatomy, face out of frame, multiple tails, dialogue, text, (signature:1.3), (watermark:1.3), patreon, patreon logo, pussy, missing fingers, extra digit, fewer digits, (muscular:1.3), (abs:1.3), (pecs:1.3), nipples, extra head, extra ear, no tail, hair, bad tail,