Juggernaut is a warrior talent available at level 15.
Patch changes
Patch 5.0.4 (28 August 2012): Changed from Your Charge ability is now usable while in combat and in all stances, and the cooldown of your Charge is reduced by 2 sec. Following a Charge, your next Slam or Mortal Strike has an additional 25% chance to critically hit if used within 10 sec. However, Charge and Intercept now share a cooldown.
Patch 4.1.0 (26-Apr-2011): No longer adds 2 seconds to the Charge stun, but instead lowers the cooldown of Charge by 2 seconds (to 13 seconds total without the glyph).
Patch 4.0.6 (8-Feb-2011): Juggernaut no longer increases the cooldown on Charge, but instead increases the duration of the Charge stun by 2 seconds. In addition, Charge is usable in all stances, however, the talent now causes Charge and Intercept to share a cooldown.