Barracks

"The Barracks allow you to train troops to attack your enemies. Upgrade the Barracks to unlock advanced units that can win epic battles."

Summary
Barracks allow you to train troops using elixir. These troops will be stationed in Army Camps.

You can speed up the training times of troops with gems and there is also an ability to boost troop production for 45 minutes. The boost option costs 25 gems and will increase the speed of the boosted barracks by 4 times.