Grotesque architecture, ancient stone walls, intricate carvings, Gothic spires, grand entrance, ornate doorways, stained glass windows, mysterious ambiance, eerie lighting, foggy atmosphere, abandoned ruins, overgrown with vines, moss-covered stones, worn-out steps, grand hall interior, high ceilings, ribbed vaults, flying buttresses, medieval-inspired decorations, mystical aura, warm candlelight, dramatic shadows.