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The draw option is problematic because most matches require a win, and a draw doesn't satisfy either side. Replaying a match takes up a lot of time.
Therefore, the rules should clearly state who retreats in a stalemate situation.
The "attacker retreats" option sometimes leads to seemingly unfair outcomes, but it's much more interesting strategically, requiring more factors to be considered when planning a battle. It also allows for fighting in seemingly hopeless situations, such as when the opponent has a legion of skeletons.
The "defender retreats" option is fairer in terms of the battle's outcome.
If anything needs to be changed in the rules, it's the clause about being stuck in handcuffs. Loading an autosave, in my opinion, doesn't align with the spirit of the game; all in-game situations should be resolved within the game itself. For this case, I would suggest an amendment to the rules: "in the event of a stalemate in handcuffs, the fleeing side must accept the battle."