Critical Strikes

There is a version of Critical Strikes for each Agility-based class in the damage-dealing or tank role:
 * Critical Strikes (demon hunter ability) (demon hunter)
 * Critical Strikes (druid ability) (druid)
 * Critical Strikes (hunter ability) (hunter)
 * Critical Strikes (monk ability) (monk)
 * Critical Strikes (rogue ability) (rogue)
 * Critical Strikes (shaman ability) (shaman)