Niji anime ethereal fantasy style, a stunning swan-woman sorceress gliding gracefully over a frozen lake, her gown made of translucent ice crystals that reflect the shifting auroras above. Her delicate wings shimmer with frost, trailing behind her like a celestial veil. In her hands, she conjures an ornate hourglass filled with glowing blue sand, each grain representing a lost moment in time. The icy palace behind her, built from enchanted glass, towers over the silent tundra, its spires humming with forgotten magic. The mood is mystical and serene. Soft ice reflections, intricate crystal detailing, flowing aurora lighting, dreamlike frozen textures.