A formidable dark Pokemon Blastoise, a massive turtle-like beast, unleashes a powerful surge of water with unrelenting force. Its wet, dense form exudes an eerie and twisted presence, capturing a macabre and horror-filled aura. The intricate design and details of its shell and features are emphasized with dramatic lighting, highlighting every texture in hyperrealistic and photorealistic style. The scene is captured with cinematic precision, showcasing an awe-inspiring and immersive experience in 8k resolution, set within a striking 9:16 aspect ratio.