A huge muscular grizzly bear, shirtless, wearing MMA shorts and fighting gloves

a huge muscular grizzly bear, shirtless, wearing MMA shorts and fighting gloves, powerful and ferocious expression, in a fighting pose, detailed fur texture, high contrast lighting, cinematic dramatic lighting, dark atmospheric background

low res, lowres, blurry, bad anatomy, letterbox, deformity, mutilated, malformed, amputee, watermark, signature, unusual anatomy, username, sketch, monochrome