zahar0z
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I have some ideas regarding the 3rd and 4th upgrades, but I simply don't like the current scheme.
Just in case. To clarify that we are talking about the same thing. Here, we are not talking about the third upgrade that doesn't appear in the hiring window and can only be regraded. We are talking about the third level of upgrades. That is, an additional building is constructed, and additional creatures become available. Now it can be done this way.
I'll add that I don't quite understand people who make improved versions of completely different creatures. For example, a swordsman is upgraded to a catapult.