| โ | Mastering the Comanche trade language means all your research items cost less Coin. | โ |
| —In-game description | ||
Comanche Trade Language is a technology in Age of Empires III that can be researched at a Trading Post or Tambo built on a Comanche settlement. Once researched, it reduces the coin cost of all other technologies and Wonders by 10%.
Overview[]
The Comanche Trade Language bonus is multiplicative. It scales with bonuses from other technologies and cards that reduce cost of technologies and wonders.
Comanche Trade Language is best used with Home City Cards that reduces the coin costs of upgrades or units.