Age of Empires Series Wiki
Advertisement
Age of Empires Series Wiki

Sophisticated Mapuche legal system strengthens your social structure and lowers the Coin cost of your units.
—In-game description

Mapuche Ad-mapu is a technology in Age of Empires III: The WarChiefs that can be researched at a Trading Post built on a Mapuche settlement. Once researched, it reduces the coin cost of all units by 10%.