Board Thread:Questions and Answers/@comment-199.189.229.232-20150930211500/@comment-26855822-20151001005620

It depends on the servant and their interlude. Artoria Pendragon's NP will upgrade from A to A++, but some servants don't even have an NP rank upgrade. It's not like upgrading the NP level where it's the same for everyone, some servants have good NPs and some don't.