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Wow, that's already a solid result.
I'll just add that with the quick battle bug (which, by the way, while not entirely fair, doesn't directly give an overwhelming advantage when completing the game - there are limitations on its application area, and it covers a very large part of the map, but it also has a cost to use) - the game can be completed 1-3 months faster. Regarding the 1-month completion time, I'm almost 100% sure - you can definitely gather such an army at least a month earlier.*
But without the bugs, it's still a good result. You can go further into the area of tournament rules - give up on weekly and monthly monsters, but we'll leave that for Dirty).