Hi! If I understand your question correctly and this is about the facetted look once re-meshed, that's expected behaviour with low-poly meshes. The resulting, dense mesh is the same shape as the low-poly just with a higher density, which results in a much more defined shading. To get a smooth surface you will have to apply…
I was using unreal back when it was version 2.0. Sockets existed in the engine back then. And the base skeleton didn't look like this. It had no twist bones - for example.
Didn't know polycount was that old damn. I think only problem with new theme is some elements could be separated. For example a line here? Or lighter background there to separate top part from actual text. Also text box is pretty much not visible