Follow the steps below to start a War:
1. You would first need to rebuild the Zeppelin.
2. Join or Create a Team.
3. You would need to find a minimum of 10 members in a Team for you to continue.
4. Once all of these requirements have been met, click on the crossed swords icon which you can find at the left lower part of the Monster legends main screen
(Above "ATTACK" icon), then click on the "START A WAR" button.