Sauron's dark influence, Saruman's corruption, old wizard, worn-out robes, long white beard, wispy hair, sinister eyes, dark circles under eyes, pale skin, withered hands, staff in hand, Isengard castle, dimly lit chamber, mysterious artifacts, ancient tomes, forbidden knowledge, eerie atmosphere, ominous shadows, warm candlelight, foggy windows, misty mountains outside, 3/4 composition, cinematic lighting.