Clash of Clans - Building - Defense

In Clash of Clans we have to Build Defense in order to protect our City from being attacked by other Players! By Building Defense, they will automatically attack enemies troops to defense our City! There's Wall to create a barrier between your Defense and enemies troops! Each Defense Building have it's own way to defense! Several Defenses Building require Resources to active them!

There's 18 different Defenses Building!
All Defenses Building require Gold to build or upgrade them!