From Pathfinder Society Scenario #4-08: Battle for Star's Fate, which isn't enabled.

Darkened Shadow Cannon

COMPLEX HAZARD 5

Stealth +8 (untrained) or DC 13 Perception to notice the cannon

Description A cannon built of cast iron and infused with shadow magic, mounted on the side of Aslynn's flying ship.

Disable DC 23 Arcana or DC 23 Thievery on the cannon's body to deactivate

AC 23; Fort +17, Ref +10

Hardness 10, HP 50 (BT 25)

Load the Cannons

Trigger The ship flies within 30 feet of Star

Effect The cannon rolls initiative.

Melee Cannon Blast +13, Damage 2d8+5 bludgeoning

to creatures in a 5-foot burst (DC 21 basic Reflex)

Routine (1 action) The cannon fires a blast that contains as many PCs as possible, choosing randomly in the event of a tie.

Pathfinder Society Scenario #4-08: Battle for Star's FateOGL