Siege weapons are large weapons and vehicles that are used in order to combat large fortifications and groups. Presented first are some weapons that are small enough to be used by one person, but generally 2 or more are required to use siege weapons.
Arc. Arc weapons are lobbed in the air at a target and come from above. Arc weapons are unable to hit a target within half of its short range. Arc weapon ignore cover unless it is total cover from above.
Siege. This weapon takes 10 Action Points to reload per 2 dice of damage. You can cut the reload time in half per person helping, over the required number of people, to a minimum of 5 Action Points. Siege weapons deal double damage to objects and structures. The number after this property is the minimum number of people needed to use the weapon.
Scorpio
Large Vehicle
Health: 30
Armor: 7
Bolt. Ranged Weapon Attack: 26 (4d12) piercing damage. Ammunition (360/1080), siege
The Scorpio is a large bolt thrower, generally made to be used on a large tripod, it can quickly be aimed and fired at enemy troops or fortifications.
Onager
Large Vehicle
Health: 40
Armor: 8
Boulder. Ranged Weapon Attack: 27 (5d10) bludgeoning damage. Ammunition (300/900), arc, siege (2)
An Onager is a small catapult, designed to be easily wheeled in place, or quickly constructed on site. It typically hurls a heavy stone, although it can hurl other kinds of projectiles, with different effects.
Cannon
Large Vehicle
Health: 50
Armor: 10
Cannonball. Ranged Weapon Attack: 27 (6d8) bludgeoning damage. Ammunition (240/720), explosive, siege (2)
A cannon uses gunpowder to propel heavy balls of cast iron through the air at destructive speeds.
Ballista
Huge Vehicle
Health: 50
Armor: 8
Bolt. Ranged Weapon Attack: 39 (6d12) piercing damage. Ammunition (600/1,800), siege (3)
The Ballista is essentially a huge crossbow mounted on a cart or frame, reinforced with metal.
Catapult
Huge Vehicle
Health: 60
Armor: 10
Bolt. Ranged Weapon Attack: 38 (7d10) bludgeoning damage. Ammunition (500/1,500), arc, siege (4)
A catapult hurls heavy projectiles in a high arc. This payload can hit targets behind cover. It typically hurls a heavy stone, although it can hurl other kinds of projectiles, with different effects.
Heavy Cannon
Huge Vehicle
Health: 70
Armor: 10
Boulder. Ranged Weapon Attack: 40 (9d8) bludgeoning damage. Ammunition (450/1,350), explosive, siege (2)
A Heavy Cannon uses a larger, reinforced metal frame to support it, allowing for larger cannonballs, and a much larger supply of black powder.
Trebuchet
Gargantuan Vehicle
Health: 90
Armor: 12
Boulder. Ranged Weapon Attack: 49 (9d10) bludgeoning damage. Ammunition (600/1,800), arc, siege (6)
A Trebuchet is a device that hurls large rocks in an arc at the enemy. It does this by putting a huge counterweight at the short end of a pole, and the payload is put in a sling at the other end of the side of the pole.
A trebuchet typically hurls a heavy stone. However, it can launch other kinds of projectiles with different effects.
Siege Tower
Gargantuan Vehicle
Health: 150
Armor: 15
A siege tower is a mobile wooden structure with a beam frame and slats in its walls. Large wooden wheels or rollers allow the tower to be pushed or pulled by soldiers or beasts of burden. Medium or smaller creatures can use the siege tower to reach the top of walls up to 40 feet high. A creature in the tower has total cover from attacks outside the tower.
Ram
Huge Vehicle
Health: 50
Armor: 11
Ram. Melee Weapon Attack: 22 (4d10) bludgeoning damage. siege (4)
A ram consists of a movable gallery equipped with a heavy log suspended from two roof beams by chains. The log is shod in iron and used to batter through doors and barricades.
It takes a minimum of four Medium creatures to operate a ram. Because of the gallery roof, these operators have total cover against attacks from above.
Siege Ladder
Huge Object
Health: 150
Armor: 15
This siege ladder is 35 feet long and 10 feet wide, allowing two soldiers to comfortably ascend it side by side. It includes deployable spikes at the bottom to secure it. After spending 5 Action Points to deploy the siege ladder, you can use it to ascend a wall that is up to 30 feet high. It has a maximum load capacity of 1,500 pounds.
Suspended Cauldron
Large object
Health: 15
Armor: 15
Boiling Oil. The cauldron pours boiling oil onto a space directly below it. Creatures in the area must dodge a target 15 attack. 10 (3d6) fire damage. Explosive, siege (2)
A cauldron is an iron pot suspended so that it can be tipped easily, spilling its contents. Once emptied, a cauldron must be refilled, and its contents must usually be reheated, before it can be used again.
Cauldrons can be filled with other liquids, such as acid or green slime, with different effects.
Weapons, such as the Catapult, can use alternate forms of ammunition.
Flaming Boulders. Use three less damage dice and half the damage dice of the attack as fire damage. The attack gains the Explosive property, and the flaming boulders ignite anything flammable in the area.
Disease. Usually barrels of sewage or rotting corpses. This attack does very little damage, only two dice of bludgeoning damage, and one dice of poison damage. Any creatures hit by the attack, or that are in a 20-foot area of the attack must make a target 14 Body (Endurance) defense roll or contract (x-disease here/mostly the poisoned status)
Barrels. Most arc weapons are able to launch barrels filled with various substances. The only restriction is obtaining the substance. Examples include: Alchemist fire, Acid, Oil, Holy Water, etc.. The damage is based on the substance launched not the siege weapon.