It's like there's no sweat coming from her face and that doesn't appear natural. It also seems to lake true subsurface shaders. This gives the surface of her skin a very dry appearance.
You can see how the light reacts to Author's skin. This is a cut-scene, but this happens in game too, just to a lesser degree.
Your skin appears translucent in many areas and that's why your ear appears red when sunlight passes through it. This doesn't happen on her character model, which is why i believe there's either little none on her character model.
You can even see how the light reacts to their lips. It's completely different. RDR2 appears more natural while Hellblade does not.
This is not to say that it doesn't look good, but it there definitely something lacking there.