dragon skull relic 3d model

Create an ultra-detailed AAA-quality 3D model of a colossal ancient celestial dragon skull relic inside a grand gothic cathedral. The skull is made of weathered fossilized bone and cracked white stone, featuring massive curved horns, razor-sharp fangs, deep fractures, engraved glowing blue runes, and swirling cosmic energy within its eye sockets. Arcane blue light radiates from the mouth and cracks, creating a mystical aura. Adorn the skull with an ornate gold crown, heavy golden chains, and hanging sapphire crystals emitting magical glow. Place a royal blue-and-gold dragon-emblem shield and two ceremonial engraved swords in front. Surround the relic with stained-glass windows, towering arches, marble floors, ancient statues, crystal lanterns, and volumetric god rays. Use photorealistic PBR materials, 8K textures, displacement, ray tracing, cinematic lighting, Unreal Engine 5 quality, hyper-detailed sculpting, realistic weathering, epic fantasy atmosphere, masterpiece composition,