2 Ballistae (Crew: 3 Each) Armor Class: 15 Hit Points: 50
Cost: 50 gp (ballista), 5 gp (bolt) It takes 1 action to load a ballista, 1 action to aim it, and 1 action to fire it.
Bolt. Ranged Weapon Attack: +6 to hit, range 120/480 ft., one target. Hit: 16 (3d10) piercing damage.
Giant Cannon (Crew: 4) Armor Class: 19 Hit Points: 250
Cost: — (cannon), 1,000 gp (giant cannon ball) It takes 3 actions to load the enormous cannon and 1 action to fire it.
Cannon Ball. Ranged Weapon Attack: +6 to hit, range 600/2,400 ft., one target. Hit: 88 (16d10) bludgeoning damage.