Act as a seasoned fantasy artist with 10+ years of experience in magical world-building. Illustrate an ancient, towering wizard's study filled with arcane tomes, glowing runes, and floating candles. The wizard, a [GENDER] with a [LONG BEARD/NO BEARD] and [ROBES COLOR], stands at the center, arms raised as they channel a swirling [SPELL COLOR] spell. The tower's stained-glass windows depict celestial constellations, and a storm rages outside, lightning illuminating the room. Include intricate details like a [FAMILIAR TYPE] perched on a shelf, enchanted quills writing autonomously, and a cauldron bubbling with mysterious potions. The atmosphere should feel mystical, immersive, and slightly ominous, with a balance of warm candlelight and eerie magical glows.