Tower: Storm Bulwark

Gold 0
Make a turret go invulnerable while charging a powerful barrage

Makes a turret go invulnerable, then rain fire.

Makes the target turret invulnerable for 6 seconds. Two seconds before expiry, it unleashes a missile volley, dealing 2600 true damage over the remaining time to all nearby enemies.

Cannot be used on the same turret more than once in 15 seconds.