15-second ultra-cinematic mythological fantasy transformation sequence atop a sacred mountain above the clouds during a violent celestial storm. A lone ancient warrior stands at the summit holding a ceremonial spear. Dark storm clouds swirl around the mountain while golden sunlight breaks through gaps in the heavens. The camera slowly circles around the warrior as powerful winds intensify. The clouds begin spiraling unnaturally toward him. Lightning flashes across the sky, illuminating ancient symbols carved into the mountain peak. A faint golden glow appears beneath his skin. Dragon scales gradually emerge along his arms, neck, and chest. Streams of luminous energy flow through the cracks between the scales like molten starlight. The transformation accelerates. Massive horns grow from his head while long celestial whiskers form in the wind. His eyes ignite with radiant gold light. The camera pushes closer as floating cloud ribbons wrap around his body. Pieces of the storm itself become part of the transformation. His silhouette grows larger and more powerful with every second. Gigantic dragon claws emerge from his hands. Golden scales spread across his body. The surrounding storm rotates faster and faster, creating a colossal vortex around the mountain summit. At the climax, the warrior launches upward into the sky. His body dissolves into swirling clouds, golden light, and celestial energy before reforming into a magnificent eastern dragon made of living storm clouds, radiant scales, and divine light. The dragon spirals through the heavens above the mountain, weaving between thunderclouds while lightning follows its movement. Final cinematic moment: the colossal celestial dragon emerges above the cloud layer with wings of cloud and light fully expanded, overlooking the world beneath as the storm parts around it. Style: ultra cinematic mythological fantasy, celestial dragon transformation, eastern mythology aesthetic, divine atmosphere, massive cloud simulation, golden energy VFX, storm manipulation, cinematic scale, majestic camera movement, AAA fantasy film quality, no text, no overlays. Audio: epic mythological orchestral score, celestial choir, deep taiko drums, thunder, wind, divine energy resonance, dragon roars, storm ambience, cinematic trailer energy.