"War Chief now does greatly increased damage vs. artillery."
In-game description

Battle Anger is a Big Button technology in Age of Empires III: The WarChiefs that is unique to the Sioux and can be researched at the Fire Pit once the Colonial Age is reached. Once researched, it increases the damage multiplier that the Sioux War Chief has against artillery by 9.0x.

Overview Edit

With Battle Anger, the Sioux War Chief becomes incredibly effective against cannons, especially if accompanied by Cavalry with Bonepipe Armor.

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