Call to war! Five Plumed Spearmen arrive at your Home City Gather Point.
—In-game description

Inca Scouting Party is a Big Button technology in Age of Empires III: Definitive Edition that is unique to the Incas and can be researched at the Town Center once the Commerce Age is reached. Once researched, 5 Plumed Spearmen will appear in the Home City shipment point. Inca Raiding Party is the further upgrade of this technology.

The total resource cost of the technology matches the total cost of the units provided (500 food, 100 wood for 5 Spearmen). The arrival of these units, however, is considerably faster than training them (10 seconds vs. 30 seconds to train by default), and only requires a Town Center to be sent.

With the Industrial Age Old Ways Home City shipment, the cost is reduced to 300 food.

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