Ancient coastal fortress above a raging northern sea

Ancient storm-battered coastal settlement, weathered stone buildings perched above a wild northern sea, rugged cliffs, wooden piers and bridges, cascading seawater flowing through stone channels, dark fantasy kingdom, thunderstorm over the ocean, massive clouds, lightning flashes, moody cinematic lighting, gritty realism, highly detailed medieval architecture, atmospheric fog, epic scale, photorealistic fantasy environment, masterpiece, 8k.