very high dark prison made of stone with many floors, in the middle of the sea, scary dark sea storm with thunder. Big waves crashing on the rocks.
Inspired by medieval fantasy and dark fantasy styles
 In the style of Ivan Aivazovsky, masterpiece, best quality, hyper detailed, ultra detailed, ultra high definition, 8k, unreal engine 5, super sharp focus, complex masterpiece, golden ratio, popular on artstation and deviantart