Ost Erydril, a gloomy fortress on top of Mount Elbrus, surrounded by heavy clouds. Gothic towers and ancient walls, shrouded in dense fog. Bioluminescent glows illuminate the scene. Depth of field effect and prismatic color gradation, dreamlike and mysterious atmosphere. depth of field effect. bioluminescent- shikoku gleams, prismatic cohesive color grading. 4k, highres, best quality, cinematic, epic. concept art, digital art, realistic, professional masterpiece, curvilinear perspective, sharp clarity. fine intricate details, great lighting, dappled soft lighting, volumetric lighting, detailed highlights, rim lighting