a dark, candlelit room in a gothic castle with red velvet chairs and an ornate staircase

gothic castle dark room candles candlelight velvet chairs red ornate staircase window night shadows mysterious gloomy spooky eerie antique old grand luxurious atmosphere vintage creepy elegant fantasy interior design architecture throne throneroom regal royal dramatic mood setting scene conceptart art fantasyart digitalart render artwork 3dart candlelit staircase generative