Dark side duel, Emperor Palpatine, Voldemort, intense stare, sinister smile, dark magic aura, ominous atmosphere, Imperial throne room, dark stone walls, dimly lit torches, mysterious fog, eerie shadows, dramatic lighting, low-angle shot, cinematic composition, powerful sorcery effects, dynamic pose, flowing dark robes, ornate cane, snake-like staff, evil laughter, intense battle, magical explosions, destruction of surroundings.