Mystical Ocean Under Alien Skies

A surreal landscape featuring a vast, dark ocean under a stormy sky. A massive, glowing green and purple nebula looms above, partially concealed by turbulent clouds. Lightning crackles across the sky, casting a ghostly light over the scene. The foreground shows a series of jagged cliffs rising from the water, resembling ancient, otherworldly fortresses. The scene exudes a sense of mystery and otherworldliness, with contrasting elements of darkness and vibrant cosmic light.