A fierce demon warrior stands poised for battle, its muscular frame adorned with intricate tattoos. Twisting horns spiral from its head, glowing with an otherworldly sheen. Chains, heavy and ancient, coil around its limbs, rattling with each calculated movement. A mesmerizing purple fire dances around its body, casting a vibrant glow on its obsidian armor. Encircling its head is a pulsating aura of pink energy, crackling with raw power. The scene is vividly animated in classic manga style, emphasizing the demon's fierce expression and the atmospheric, detailed background.