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I see your mod has also been updated. So, here's my question. Are you planning to (or have you already) move the new faction creatures that upgrade in your Fort to the Castle? This could significantly increase interest in the mod, because the current system with Forts, especially on certain maps, is kind of absurd, if you don't mind me saying so.
For now, this cannot be implemented, but if we manage to find the source code of the game itself, we might be able to come up with something.
Added 2 minutes later
Maybe you could include music from Heroes 4 in Epic War Age 3.0? At least the main soundtracks, perhaps even as an optional setting during installation. Simply put, Heroes of Might and Magic IV has the most amazing music (you could even create a poll), and I'd love to hear it in Heroes of Might and Magic V - Tribes of East 3.1, in the new version of EWA.
There is already a poll about this in our VK group (see my signature). Therefore, we invite everyone to participate in it and make their suggestions in the comments under the poll.