You can quickly convert a static mesh into a skeletal mesh, build a skeleton, paint weights, and even create a Control Rig for a simple prop so that you can animate it in a level sequence - or just deform it for a static pose. So powerful!
https://dev.epicgames.com/community/learning/tutorials/8JK9/unreal-engine-rig-and-animate-a-static-mesh-prop-directly-in-ue5