It is a defense kind of thing which you can summon a hero to help you in battles and when someone attacks you.You must have at least a Level 6 Castle to have it.

Level 6  Castle   4,000,000 coins
Level 7 Castle     4,000,000 coins


Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.