Medieval castle, Gothic style, grandiose entrance gate, stone walls with battlements, towers with conical roofs, stained glass windows, ornate door carvings, heavy wooden doors, moss-covered stone floors, intricate vaulted ceilings, grand halls with chandeliers, suits of armor on display, large fireplaces, luxurious velvet drapes, mysterious secret passages, torches lit at night, soft warm lighting, dramatic shadows, atmospheric fog.