User blog comment:Master Sima Yi/Assassinews 10-07-'13 — Assassin's Creed IV: Black Flag pirate gameplay naval exploration/@comment-4681429-20130711204245/@comment-188.25.200.163-20130712143000

The director of AC4 responded to that.He said that full synch will be in AC4 but but with only one requirement and not a restrictive one(finish the mission without getting any damage etc).I think it's alright,it only adds more challenge but you can still finish the missions however you want.