A small Diorama the scene is using physical based values for lightning HDR PBL
Created with Unreal Engine 4.26 using GPU Lightmass to bake lightmaps with RTX3090
Trees and foliage created with Speedtree used megascans to populate branches and small rocks
UFO and Alien form Marketplace where I retarget the bones to use for third person with xbox game controller
For PBL lightning watch this
https://www.youtube.com/watch?v=Tj5IerFef0k&t=2771s
Cinematic
The lost Alien Unreal Engine 4.26 baked lightmaps GPU PBL HDR Lightning
Ingame
The lost Alien Unreal Engine 4.26 baked lightmaps GPU PBL HDR Lightning