Must be a Siege Weapon to equip.
Action: Disable this Upgrade and then place 1 [Duration Token] on it.
Continuous Effect: Instead of attacking normally with one of your Primary Weapons, you may make two separate attacks using your Primary Weapons. If you do so, roll -1 attack die for each attack. Niether attack can be initiated from the "Attack:" text on an Upgrade. When this Effect ends for any reason, you receive an Exhaustion Token.