The parts that stand out the me are the blouse and left leg’s thigh and how the shade/light is almost porcelain like.
I feel like he uses a smudge brush that is not available in Krita. Though I still think you can achieve something very close but maybe with a bit more effort.
I had made this post asking for a brush that I think could be added to krita: What smudge/blur brush can pull this off?