A fierce demon warrior stands poised for battle, adorned with menacing horns curving from its forehead. Chains dangle from its wrists, glowing with a mystical energy that pulses in rhythm with its steady breathing. Its form is shrouded in an aura of vibrant pink energy that swirls around its head, contrasting with the intense purple flames that dance across its muscular frame. The scene is rendered in a detailed anime, manga style, capturing the fluidity and power of the demon's movements. The background is a dramatic landscape where shadows and light clash in a turbulent dance, emphasizing the demon's otherworldly presence, all set in a striking 16:9 aspect ratio.