Battle Rage

Acquisition
Signet of Capture:
 * Prophecies
 * Krogg Shmush (Talus Chute)
 * Smukk Foombool (Snake Dance)
 * Factions
 * Arrahhsh Mountainclub (Pongmei Valley / Mount Qinkai during Return of the Yeti quest)
 * Nightfall
 * Saevio Proelium (Domain of Pain)

Related skills

 * "For Great Justice!"
 * Berserker Stance