User blog comment:Necor/How Stats affect our Servants' gameplay Stats/@comment-43554070-20190819084131/@comment-33628324-20190819152544

I think they factor into NP gain and c star drop rate as well, HP and ATK stat... maybe as well but god knows.

tho, C-star drop rate and NP gain being affected wouldnt make too much of a difference imo, they can be balanced out with hit counts.