User blog comment:Master Sima Yi/Assassinews 10-05'12 — World Gameplay Premiere/@comment-3206933-20120512181529/@comment-1888015-20120513104614

I bet his Eagle Vision would be much like a hunters, making him spot tracks in dirt easier and make out scents clearer than Ezio did.

He could also be aware of his enemies' range of sight, so he can sneak around and kill them easier.