Create an artistic work of an aggressive-looking bear, adorned with boxing gloves, standing defiantly in a high-definition, ultra-detailed boxing ring. The bear's muscular physique is accentuated under the bright, spotlights, its eyes glinting with determined intensity. The ring, though empty, seems charged with tension, the air thick with anticipation. The background is a neutral canvas, adding to the focus on the misplaced ursine boxer and his steely gaze. The image is rendered in ultra-high-definition, standing as a masterpiece in the world of digital art.

(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))