Grants 2 Builder Travois and enables them to construct any Inca building.
—In-game description

Viracocha Worship is a Big Button technology in Age of Empires III: Definitive Edition that is unique to the Incas and can be researched at the Kallanka once the Industrial Age is reached. Once researched, two Builder Travois appear in the Home City shipment point.

This doesn't simply ship two Builder Travois as the description suggests, but changes ALL Builder Travois to "Viracocha Travois". These have extended building capabilities compared to normal, able to build Inca Strongholds, Town Centers, and Kallankas as well. This applies to any Travois gained after this technology is researched, including ones from aging up or Home City shipments.

With the Industrial Age Old Ways Home City shipment, the cost is reduced to 300 wood, 225 coin. This Big Button technology receives the largest percentage discount of all the ones the Incas have access to.

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