your questions regarding the game rules (improving the interpretation).

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He also revealed the stats and mana of my army by attacking the hero. That is, if you replay, he will already have additional information.

Don't you know this too? That everything repeats exactly when you replay, how do you even play without knowing the rules? And he knows, for example, that you have Armageddon, so you will repeat your Armageddon, but he cannot change the equipped artifacts or the army, etc.