|Empire Points||6 Empire Points|
|Source||Gift from friends|
|Used For||Defense Tower I|
Defense Tower II
Energy Drink is used to Turn On Defense Tower I, Defense Tower II and Defense Tower III. It can be earned requesting it from friends or buying it for 6 Empire Points. A full Energy Drink is during 8 hours in Defense Tower I and the maximum number of using is 3, until one of them is wasted.
It was introduced on August 19, 2011.