User blog comment:Master Sima Yi/Assassinews 03-03-'13 — Assassin's Creed IV: Black Flag trailer and screenshots/@comment-203.129.39.74-20130311135538/@comment-1379990-20130312143756

You also got Ninja Gaiden. I wouldn't have mind a ninja assassin, cause it would still be different after all, they are going for realistic pirates, right? I doubt there's any game that portrays them accurately.