Fantasy Sea Leviathan With Islands on Its Back

A gigantic ancient sea leviathan emerging from a stormy ocean, entire islands resting upon its back covered with forests, waterfalls cascading from the creature into the ocean below, enormous glowing blue eyes illuminating crashing waves, lightning striking dark clouds overhead, fleets of tiny sailing ships emphasizing the impossible scale, cinematic ocean spray, dramatic atmosphere, fantasy realism, painterly masterpiece, ultra detailed, breathtaking composition, epic environmental storytelling, 8K.