Watchtower
Rise of Kingdoms Guide
Watchtowers are the defensive buildings located in various places around your wall. Their purpose is to help defend your City against attack. Upgrade these for better defense for your City.
Any damage your watchtower sustains during an attack will automatically be recovered over time.
If you tap any of the watchtowers, you will be able to check their current level and see how much they cost to upgrade to the next level

As well as protecting your troops and City, it will also attack an enemy that tries to attack your base. It is one of the most important elements in the defense of your City, so make sure you focus on gathering the correct resources that you need to upgrade it.
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