If you are part of an Alliance and have been placed in Spectator Mode, it could because the following reasons:
- You left the Alliance during the War. If you leave your Alliance during the preparation phase or during the War and come back, you will be placed in Spectator Mode.
- Your defense team is empty: You emptied your defense team by sacrificing the Heroes on your defense team.
- You are below the required level to participate in Wars (level 12 is the minimum requirement)
- If you joined an Alliance after the preparation phase started.
- If you have less than 5 Heroes in your War defense team.