It is much more powerful and intuitive than Unreal and it is a pity that it is not implemented/connected with CC4/IC8
I have been told that Twinmotion wont recognize Iclone/CC4 Blendshapes so no facial animation would transfer .
BTW Twinmotion is nowhere near as feature rich as Unreal engine.
I think reallusion has done a reasonable job of giving users several options to export to other ecosystems for rendering
If you are willing to export to another ecosystem for better rendering omniverse is your best FREE option
other than one of the main 3DCC’s like Blender.