An opulent castle with deep obsidian walls adorned with luminous silve

An opulent castle with deep obsidian walls adorned with luminous silver filigree, depicting constellations and mythical beasts. The structure is crowned with spires encrusted with dark gems that glow faintly under the moonlight. Delicate arches and vaulted ceilings are accented with carvings of night-blooming flowers and crescent moons. Hyperrealistic textures, ultra-HD 8K, (Masterpiece: 1.5), (best quality: 1.5), dramatic lighting, architectural elegance, intricate details.