Cosmic Oak

A colossal, ancient tree crowned with bioluminescent leaves that shimmer like living constellations, rooted at the heart of a solitary floating island suspended in space. Its radiant glow spills outward, illuminating a vast, swirling nebula of violets, teals, and golds that spiral like a cosmic dream. Beneath the island, a river of liquid starlight cascades gracefully, flowing into the infinite abyss, scattering sparks of light as it falls. Render the entire scene in a vibrant watercolor style, where fluid washes blend seamlessly with precise dotwork details, adding rich texture and depth. The atmosphere evokes magical realism, mystical, serene, and awe-inspiring, where nature and cosmos merge into a luminous, otherworldly sanctuary.