(best quality, highres:1.2, ultra-detailed, photorealistic:1.37), giant wolf Fenrir, fire, mountains, protruding, broken shackles, chains hanging, red eyes, angry, realistic lighting, dark atmosphere, eerie shadows, menacing presence, glowing embers, powerful stance, epic landscape, smoke billowing, intense heat, growling, fierce expression, wild fur, towering silhouette, raging flames, ethereal glow, foreboding, untamed power