User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-5174994-20141128220450/@comment-5174994-20141128232653

I'm sure they said this was gone. Oh well. I've already done them all for the memories I've played so I'll just continue.

For those who have played the game, without spoilers, can you tell me if there are any really hard optional objectives to complete in the game?