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From Pathfinder Battlecry!, which isn't enabled.

Ice Breaker

VEHICLE 20
Price 270,000 gp
Space 120 feet long, 40 feet wide, 50 feet high
Crew 1 pilot, 25 crew
Passengers 100
Piloting Check Arcana (DC 42) or Sailing Lore (DC 40)

AC 44; Fort +35
Hardness 20, HP 360 (BT 180); Immunities precision

Speed swim 40 feet or 20 feet in heavy ice (clockwork, magical)
Collision 15d10 (DC 40)
Space

120 feet long, 40 feet wide, 50 feet high

Ice Passage

This vessel can move through sea ice up to 20 feet thick, leaving a path of open water behind it.

Sluggish

This vehicle must move twice its length for each 90-degree turn it makes.

Weapon Mounts

This vehicle has eight weapon mounts; one each on the bow and stern, and three mounted on each side. At purchase, these weapon mounts are initially empty. Installing or uninstalling a weapon into a mount requires 1 day, a successful DC 40 Crafting check, and an appropriate weapon. The weapon mounts can be equipped with Huge or smaller ranged siege weapons.

Description Colder oceans are often beset with heavy layers of sea ice, providing some kingdoms natural barriers to sea-based assaults and bombardments. To counter this, as well as to resupply troops in these areas, engineers designed massive steam-powered ice breakers. Powered by a dozen steam boilers lit with arcane flames, these ships can make their way through heavy ice fields that would crush most vessels, leaving an open channel behind them for other ships to follow.
Pathfinder Battlecry!ORC