User blog comment:Master Sima Yi/Assassinews 02-03-'12 — Leaked AC3 info!/@comment-4727225-20120303103920/@comment-80.212.220.201-20120304232107

He doesn't have to have Assassin lineage, only a high concentration of First Civilization genes. Meaning that one of his ancestors slept with one of those who came before. Besides, I think Eagle Vision will appear in the game, I don't see a reason for Ubisoft to remove it