A powerful, muscular demon warrior with black curved horns and glowing eyes, wearing dark ornate armor, wielding a sword engulfed in flames, large bat-like wings spread wide, standing in front of a glowing circle of mystical symbols in purple and blue, surrounded by shadowy creatures with sharp claws, dramatic lighting, cinematic composition, highly detailed, epic fantasy art, dynamic pose, dark fantastical atmosphere, sharp focus, intricate textures

low quality, blurry, poorly drawn, disproportionate anatomy, weak or tiny wings, plain or generic armor, cartoonish, cliche fantasy, extra limbs, deformed face, modern clothing, mundane background, bright cheerful colors, childlike or cute style, messy composition, low detail, grainy, bad proportions, unrealistic lighting