特效：蓝白雷电冲击波（纯特效·灰白背景） extremely pure visual effects asset. a massive blue and white lightning energy shockwave bursting from the center, manifesting as a vertical pillar erupting into the sky. the pillar is composed of high-frequency flickering lightning plasma, crystalized light, and high-density glowing particles. circular shockwave radiating outward at the base, with intense debris spattering and edge halation. plain gray to white minimalist gradient background, with absolutely no characters, no ground, no buildings, no environmental elements. extreme high contrast, the blue and white light illuminating the surroundings. unreal engine 5 real-time rendering, pbr physical materials, top-tier 3a game ultimate skill visual, cinematic vfx, clean layer, perfect for compositing.