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Supplies is a technology in Age of Empires II: Definitive Edition that can be researched at the Barracks once the Feudal Age is reached. Once researched, it decreases the food cost of the Militia line units by 15.

With the introduction of Supplies, Tracking was removed from the game, and Supplies took its place as the Feudal Age Barracks technology. Note that Tracking functionally remains in the game and its effect (+2 Line of Sight for all infantry) is automatically granted once the Feudal Age is reached.

Since Supplies costs 75 food, this technology starts to pay out food-wise if more than 5 Militia line units are trained after researching it.

Despite lacking access to Supplies, the Goths have the cheapest Militia line in the game due to their civilization bonus that lowers the cost of infantry by 20%/25%/30%/35% in Dark/Feudal/Castle/Imperial Age.

Technology availability
Available Unavailable

Civilizations bonuses[]

Team bonuses[]

  • A team containing Goths: Researching Supplies is 20% faster.


Definitive Edition[]

Dawn of the Dukes[]


  • Despite being introduced in the Definitive Edition, only one of the new civilizations introduced, the Bulgarians, have access to it.
  • If a Gurjara player researches both Supplies and Kshatriyas (which lowers military units food cost by 25%), their Militia line will cost 30 food regardless of the order of research. This happens due to a trigger that sets the food cost at 30 if both technologies are researched.