Kickback Endurance is a booster in Uncharted 3: Drake's Deception, it increases the duration of timed kickbacks, these are: Speedy G, Militia Man, Quick Boom, Cash'em In, Disruption, Gotcha!, Juggernaut and Creepy Crawler. To level it up the player must earn the medal Three Kickback King eight times for Level 2 and 30 times for Level 3. Each level increases the duration of kickbacks for five seconds.