Rise of Empires: Ice and Fire

How do I research hero co-operation?

Question Posted by Guest on Mar 10th 2020
Last Modified: May 17th 2021

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AppGamer Answered:

Hero cooperation is a research item under each of the 4 Legion research trees. (once you have unlocked all 4 legions).

Hero cooperation is about half way down each of the legion research trees and will unlock the second hero slot for your legion (to place the second hero). You need to research the other items above it first.

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I'm currently level 7ave the resources saved but my lumber storage doesn't allow me to pay 940k for this research. looks like not until level 10. is there a way to do this before level 10?

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