Luxurious medieval bedroom inside a colossal fantasy cave

Best quality , ultra high resolution , masterpiece , Cinematographic style , an extremely details. A wide-angle landscape shot inside a colossal natural cave transformed into a luxurious medieval dream bedroom. A massive, ancient oak tree grows wildly in the center, its branches integrated with a multi-level wooden structure and a large, fur-covered four-poster bed. A natural waterfall cascades down a mossy rock wall into a clear, steaming pool integrated into the living space. Stone bridges, ancient runes carved into rock, glowing natural crystals, and warm firelight from massive hearths and braziers contrast with shafts of natural light filtering through crevices in the high cavern ceiling. Rich tapestries, rustic wooden furniture, and lush flora everywhere. Dramatic shadows, film grain, epic scale, depth of field.