02-03-2017, 12:57 PM
Wesen might share some of the same visual characteristics that enable Grimms to see wesen, but there was an episode where Nick could see changes that Renard could not. Also, if Grimms are stronger than ordinary kehrseite it didn't seem to help Nick when he was trying to open the door in the fome tunnel, so perhaps Nick's adrenaline only makes him stronger after he sees a wesen woge.