Talk:Fate/EXTRA CCC Collaboration Event/Event Summary/@comment-27545925-20170426163015/@comment-27971189-20170426164454

IIRC, back in Extra, there's an NPC, a girl, who said that her Servant is an Arthurian Knight that's not Saber (as Leo is the only Master with Saber-class Arthurian Knight) and good at dealing with girls.

The only Rounds who fit that description is Tristan; implying that NPC Servant is Tristan.