You can capture other players’ mines. There are five possible outcomes of any given battle:

1. If the attacker defeats the defender, then all of the resources harvested by the defender will be captured by the attacker.
2. If the defender defeats the attacker and does not lose any of the troops, then she will continue harvesting the same amount of resources as before the attack.
3. If the defender defeats the attacker but loses part of her army, then the maximum amount of resources harvested will be recalculated given the losses.
4. If the defender defeats the attacker but loses so much of her army that she can’t carry away all of the already harvested resources, then she will leave the mine immediately, carrying home the amount of resources allowed by the new maximum army carry capacity.
5. If the defender leaves a mine before the attacker reaches it, then the fight will not take place, while the attacking army will start marching back instead of capturing the mine.