User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-4892808-20141026210025/@comment-3244113-20141027161235

I was under the impression that Eagle Vision was a result of the inbreeding, TWCB and human kind? And that the reason everyone has it now, is because, everyone is pretty much got a Hybrid ancestor? Those with a bigger hybrid/TWCB Ancestry have a bigger concentration of this ability so can learn how to use it more easily.