Battle Anger is a Sioux Big Button technology in Age of Empires III: The WarChiefs. It is found at the Fire Pit during the Colonial Age.

This technology increases the damage that the Sioux War Chief does against artillery by 900%, making him incredibly effective against cannons, especially if accompanied by Cavalry with Bonepipe Armor.

Sioux Big Button Technologies
Battle Anger | Bonepipe Armor | Flaming Arrows | Gun Trade | Horsemanship | Sioux Dog Soldiers | War Drums | New Year Festival