Attack a single troop.
The loss of soldiers enrage the surviving soldiers. The fewer soldiers survive, the greater the damage they inflict.
The lower your hero’s HP/hit points though, the higher the damage will become, making hero with rs anger a beast in drawn out fights. For Anger to work, your hero needs to be tank, so you can survive a lot of hits, and decrease your HP, but not die.
Hero who uses this rage skillEditCalenus (Julii family hero)
Cimber (Brutii family hero)
Artaxias (Armenia Boss-Recruitable)