It led to a vast underwater cavern, which at first seemed insignificant...

panoramic view, underwater cavern, bubbles, kelp with giant air sacs, flocks of seal-dragons, exposed_rocks with black layer; waxy_purple_amber_green , detailed, futuristic, photorealistic, maximalist; Makoto Shinkai, J.C. Leyendecker, ilya Kuvshinov, Royo, Karol Bak, Alphonse Mucha, Jordan Grimmer, ...

ugly, tiling, poorly drawn hands, poorly drawn feet, poorly drawn face, out of frame, extra limbs, disfigured, deformed, body out of frame, blurry, bad anatomy, blurred, watermark, grainy, signature, cut off, draft