Strong rule: style --- Cinematic hyper-realistic CGI, vibrant underwater lighting, deep blue color grading, 8k resolution, National Geographic aesthetic mixed with Hollywood action. ---. A close-up of the three-headed Hydra resting on a rocky ledge underwater. Each head is looking in a different direction, with golden, reptilian eyes and thick, plated scales. The heads are massive, each the size of a grown man. The lighting is moody, with shadows accentuating the creature's ancient, terrifying appearance.
