| โ | The local dairy farmer provides you with 1 Semi-fattened Yak for every 3 minutes of game length, up to 30 minutes. | โ |
| —In-game description | ||
Kumis is a technology in Age of Empires III: Definitive Edition that can be researched at a Trading Post or Tambo built on a Tengri Shrine holy site. Once researched, it ships one semi-fattened Yak for every 3 minutes the game have passed, up to 30 minutes (for a total of 10 semi-fattened Yaks).
Trivia[]
- In real life, the kumis are fermented dairy product made from mare milk rather from yak milk. However, the Mongols incorporated yaks as part of their domesticated cattle imported from the Himalayas.