Counterattack

Acquisition
Skill trainers Hero skill trainers Signet of Capture
 * Dau (The Mouth of Torment)
 * Zendeht (Gate of Torment)
 * Pikin (Kamadan, Jewel of Istan)
 * Godaj (Lair of the Forgotten)
 * Commander Wahli (Barbarous Shore)
 * Commander Bahreht (during A Land of Heroes)
 * The Dark Blade (during Following the Trail)