Enemy Duration: 3
Attack Speed: +40%
Friendly Duration: 10
90.0 sec Cooldown
The targeted enemy tower becomes disabled and cannot attack for a short duration. If a friendly tower is targeted instead it gains Attack Speed, Armor, and Magic Resistance, and any gold and experience points it earns will be awarded to you. Upon expiration towers become immune to this effect and it cannot be applied again for a moderate duration.
Awarded upon completion of the Tower Siege quest.