User blog comment:Master Sima Yi/Contradicting and confusing terms in the Encyclopedia/@comment-87.60.79.61-20111202140503/@comment-1153722-20111202140636

There is no longer a thing as a "Grand Master", it's retconned. And the guilds weren't created until AFTER 1257, when the Mongols attacked Masyaf. And "Master" is not the same thing as "Grand Master". Besides, the latest installment calls them Mentor, so it's a retcon of AC1...