I spent 400+ scrolls and still no Roshi, how can you explain that?
My Yugito is 3 stars now tho so there's that.
First of all, did you manually record how much you spent in jin I or just assumed based on the number of rares. I assume you thought for every rare you pulled is about 60 pulls in jin treasures which isn't the case since the average is 30-40. Basing on this assumption, you should be close to getting Roshi.