explores the use of LED volumes in the production of Amazon Prime's Fallout. It details how physical and digital production methods combined to create immersive environments, utilizing advanced Unreal Engine technology for in-camera visual effects (ICVFX). The collaboration between the virtual art department and production teams streamlined workflows, enhancing creativity and efficiency. The LED volumes enabled seamless integration of real-time 3D assets with practical sets, reducing the need for post-production VFX replacement and capturing final pixels directly on set.