Frostbrood Destroyers attack Argent Vanguard during  where you need to kill 3 of them. When a player mounts an Argent Cannon a Frostbrood Destroyer will spawn and begin attacking the Argent Vanguard Tower on which the cannon sits. If the tower is destroyed so is the cannon.
- Freezing Breath (Inflicts Frost damage to enemies in a cone in front of the caster, stealing their mana and reducing their movement speed for 10 sec.)
- Wing Buffet (Inflicts 9000 to 15000 damage to enemies in a cone in front of the caster, knocking them back and slowing their movement speed.)