Unleashing a shadowy Blastoise, a colossal dark Pokemon resembling a monstrous turtle, erupting with torrents of water, evoking a sense of wet, twisted, and macabre horror. Enveloped in an intricate and elaborate design, it features dramatic and atmospheric lighting, achieving a hyperrealistic and photorealistic effect with cinematic flair, captured in stunning 8k detail. The creature appears formidable and intense, conveying both power and an eerie sense of dread.