Secret Base - Unreal Engine 5 Animation

So I'm getting confident now and rendered my first animation in Unreal Engine 5, but still got a long way to learn about UE5. Most models like the watchtower, concrete walls and UFO are modeled and textured by me in Blender 3D.
Other models are as followed:
The guard model is from Mixamo. Canyons from Quixel.
Assault rifle: https://www.cgtrader.com/3d-models/military/gun/game-ready-assult-rifle-customized