oil painting, A mysterious cave at the foot of a majestic waterfall, with a hidden shrine and an underground lake illuminated by glowing crystals, misty, spraying, mystical, mysterious,  dramatic light,  34K uhd, masterpiece, high detail, 8k, intricate, detailed, high resolution, high res, high quality, <lora:add-detail-xl:1.8>, highly detailed, Extremely high-resolution details, fine texture,