The Hailstone Mortar is the only squadron ship of the Frost Dead war fleet, created by the Necromages of Nadividia to make up for the short range of the other magical weapons on board of the other major vessels.
When not succumbing to inaccuracies or other erratic behaviours, a small formation of Hailstone Mortars can wreck havoc among enemy fleets as not as many other foes of the GRAVETIDES world are capable of.