Siege Cannon

A cannon uses gunpowder to propel heavy balls of cast iron through the air at destructive speeds. It it typically used as seige or defense equipment on land. Sailing and air ships are often outifitted with either smaller cannons or ballistae. A cannon is usually supported in a wooden frame with wheels. Before it can be fired, the cannon must be loaded and aimed. It takes one action to load the weapon, one action to aim it, and one action to fire it. A creature must succeed on a DC 10 Strength (Athletics) check to insert an iron ball into the cannon.
Cannon Ball. Ranged Weapon Attack: +6 to hit, range 600/2,400 ft., one target. Hit: 44 8d10 bludgeoning damage.

Item type

Weapon, Ranged

Properties

Ranged, large weapon, ammunition, reload

Damage

8d10 bludgeoning

Range

600/2,400 feet

DMG pg 255, The Game Master's Book of Legendary Dragons

Cannon

Weapon

Uncommon

Armor Class: 19

Hit Points: 75

Damage Immunities: poison, psychic

Seig equipment. A creature must succeed on a DC 10 Strength (Athletics) check to insert an iron ball into the cannon.

A cannon uses gunpowder to propel heavy balls of cast iron through the air at destructive speeds. It it typically used as seige or defense equipment on land. Sailing and air ships are often outifitted with either smaller cannons or ballistae.
A cannon is usually supported in a wooden frame with wheels. Before it can be fired, the cannon must be loaded and aimed. It takes one action to load the weapon, one action to aim it, and one action to fire it.

Cannon Ball. Ranged Weapon Attack: +6 to hit, range 600/2,400 ft., one target. Hit: 44 8d10 bludgeoning damage.

Type	Damage	Damage	Range
None	44 8d10	Bludgeoning	600/2,400ft