Unleash the terrifying power of a shadowy Blastoise, a massive and menacing monster turtle engulfed in darkness, as it unleashes a torrent of water with relentless force. Its form is wet and dense, with a twisted and macabre appearance, featuring intricate design and minute details. The scene is bathed in dramatic lighting that highlights the hyperrealistic, photorealistic elements, creating a cinematic and bone-chilling atmosphere. Captured in stunning 8k resolution, the image evokes a sense of awe and dread with its towering presence and overwhelming strength, emphasizing the dark nature of the creature amidst the chaos.