Well... Basics of UE are easy. But when you want to create very complex material, complex kismet sequence or particle effect. Then you have to more work
.
And one thing. If you're importing characters into UE, then you should export them from 3D app as Skeletal Mesh. Static mesh will be completely static (as it's name says
). When you're exporting static mesh you're using 'axmesh' command, and when you're exporting skeletal meshes (meshes which have moving parts, or meshes which are deforming in game) you're using command 'axmain'