Talk:Primeval Rune/@comment-25102364-20180803032328/@comment-28209103-20190623025153

Arts up also buff Star gain up and so does Buster.

You can easily spot that with servant that gain good stars with their arts cards like Chloe

For Buster tho any improvement is minimal because there's yet any servant that gain good number of NP and stars with Buster nor I think there'll ever will be. But the improvement are there if you see JAlter or Gil (around 2% increase of NP gain)