What exactly do you mean by this? That this is the model we will see when playing the game?
Look closely at it. Does it look like too good a leap over what's currently on the market? It is a leap (yes, leap), but people think it is pre-rendered CG and don't really seem to get what they're seeing here. Hint: your gameplay won't look much worse (if any) than that (the character model). Go back and review this gen's models then review Senua again. It is a natural progression with a device that is so much more powerful than current gen machines (all of them, including the X1X).
The environments are better than what you'll get, but they were very clever in mixing that stuff in there with her model. Just.....keep watch. ;)