masterpiece, absurdres, HandDawing, a surreal drawing of a rainbow river twisting through black volcanic rock. high quality, ultra detailed, colorful, fantasy, photo realistic, 4k, Fantastic lighting. Detailed shadows. intricate details, vivid colors, ultra-sharp. The style is semi-realistic with a touch of surrealism, dreamy atmosphere, and unique textures. , The interplay of light and dark adds depth to the scene, creating a cinematic quality that highlights the soft contrasts .