Create a 30-second ultra-photorealistic AAA third-person fantasy RPG gameplay sequence, Unreal Engine 5 quality, 4K, 60fps, seamless over-the-shoulder camera, realistic physics and destruction. A female warrior in dark silver armor and blue cloak sprints across a collapsing sky bridge above violent thunderclouds, leaps across gaps and swings into an ancient floating temple. She discovers a magical Storm Spear, uses lightning to activate machinery and accidentally awakens a kilometer-long celestial serpent with obsidian scales, glowing blue eyes and crystalline horns. The monster coils around the floating kingdom, crushing towers and bridges. She escapes collapsing platforms using lightning-powered grappling, lands in a gigantic circular arena and confronts the serpent. It fires devastating lightning beams while she dodges, redirects electricity and destroys its golden restraints. End with the warrior launching a powerful lightning-charged attack as the colossal boss roars. Continuous playable gameplay, minimal RPG HUD, breathtaking scale, realistic movement, cinematic lighting, no cuts, no teleportation, no cartoon visuals.