Fantasy illustration, digital painting, detailed and vibrant, dramatic and mysterious, hidden laboratory, Winterfell's icy breath in the heart of summer, high fantasy, set in a hidden laboratory, glowing blue magical runes and artifacts, ancient and arcane, icy blue and white hues, frost and ice, contrasting with warm summer greens and golds, dark and mysterious shadows, intricate machinery and scrolls, a powerful magician, hooded and cloaked, bent over a glowing crystal ball, a sense of wonder and discovery