Prison

The Prison allows your cities Troops to capture and detain other Stronghold level 10 Heroes. Your prison also gives you the ability to execute enemy Heroes when your stronghold is level 15. You may only execute other level 15 Stronghold or higher Heroes. Upgrade your Prison to decrease the amount of time needed to execute an enemy Hero. A higher level Hero required more time before the capture Hero can be executed.

Levelling your prison results in execution delay reduction.
 * Level 21 Additional Benefits: Bonuses based on the Imprisoned Hero's level