A breathtaking diorama featuring a three-layered underwater cake showcases an intricately detailed universe, with a majestic black pirate ship perched at the summit and a fearsome Kraken lurking at the base, its tentacles artistically entwined. The scene unfolds with dramatic, atmospheric lighting that casts an ethereal glow, enhancing the hyperrealistic and photorealistic qualities of this masterpiece. The depth of field captures every nuance, bringing the diorama to life within a universe rendered in exquisite detail, akin to an 8k unreal engine creation.