Prompt: A dolphin samurai warrior, battling ferocious sharks on a turbulent underwater battlefield, Hyperrealistic digital painting, inspired by Achim Freyer, Hiroshi Nagai, and Kinuko Y. Craft, anime, surrealism and expressionism, intricate samurai armor blending with dolphin body, gleaming katana held expertly, menacing sharks lunging through stormy waters, dramatic lighting illuminates the action, ripples and bubbles visible in hyper-detail, colors of the deep sea, 8K resolution masterpiece quality