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I thought a bit more carefully about the situation with quick battles, although the topic was completely different.
Quick battles simply have no place in online play.
• After all, the battle is carried out by the computer, and the player uses its results. This already contradicts the concept of a game between people. After all, games involving people imply human intervention and influence. In essence, this game option has an adaptive nature, i.e., it is good for offline players to use it to quickly complete maps with a hero, for example, with a dozen Azure Dragons. Because all players know that the computer's AI is inferior to a human. And here is some kind of fantasy - the computer gives better results. This fact alone should lead to the realization that something is wrong. And that's exactly what happened.
• A replayable quick battle is an enhanced version of a quick battle, complicated by reloading (essentially, loading from a save).
• We are striving, first of all, for a game without bugs, for consistency, and at least for creating a basic tournament version. Therefore, questionable options should be discarded without regret. It would be possible to completely block this option for online games, but it is still better to leave it (since it exists) as a reminder that this option was somehow enabled (although I still come across players who like to play games with battles only in quick mode). Moreover, the spellbook should be returned to the quick battle mechanism. So that everything is done correctly.
And a small digression. I played about 20 battles in the first or second week with the Stronghold, using the replayable, corrected auto-battle in version 12. The result is impressive. All battles had to be replayed manually. In fact, the turn time increased. And if you also return the spellbook so that the computer can spend mana, then everything will fall into place and it will show who is who in the computer-human battle.
And for extremists, let's leave the corrected, replayable quick battle, but make it optional and working with mutual consent (if there is a ban on one side, then there should be a ban on the opponent as well). If this is not feasible, then simply do not add such an option.