What does a City Wall do in The Battle of Polytopia? (2025 build)
TL;DR: A City Wall is the level-3 city upgrade that massively boosts the defense of any unit with the Fortify skill standing inside that city. You’ll see a double-shield icon on the unit’s HP when the wall is active. It doesn’t make cities uncapturable; it just makes the defender much harder to kill. How it … Read more