demon, pact, The Binding of Isaac, horns, red eyes, sharp teeth, sinister smile, dark aura, shadowy figure, cloven hooves, tattered wings, contract in hand, fire, brimstone, dungeon background, torchlight, eerie atmosphere, chains, pentagram, overhead perspective, dramatic lighting, detailed textures, ominous, video game character, stylized, high contrast, dynamic pose, action scene, cursed items, pixel art style, glowing symbols, ambient occlusion.