Only a Real Master
Beat an opponent while they still have 90% health and you have 10% or less health remaining
5/17/2015
5:45:04 PM
Ultra Rare 1.7%
Electric Company
Take down 25 enemies with the T62 CEW in multiplayer
5/3/2015
6:21:41 PM
Ultra Rare 2.3%
Fast Rope Expert
Travel a total of 90 meters with the zipline crossbow in single-player
4/26/2015
6:58:16 AM
Rare 20.3%