Talk:FGO 2016 Summer Event Re-Run/@comment-28137023-20170710110101/@comment-4802891-20170710111134

I'm not sure how you get the costume either, but from that point owards you need :

- The desired Servant on 4th Ascension and Max Level (in that case, Mash only)

- Get the required items and amount of QP

It's basically like a 5th Ascension for a cosmetic change.