X Mortar is an enemy ability used by Barbatos and Vorban. It inflicts major non-elemental magical damage to the party. In the PAL, International and HD versions, Vorban's version of Mortar is stronger than in the original version.
X-2 Mortar (Mortal Gun in the Japanese version) is a Blue Bullet ability learned from Gippal. It deals physical damage to all enemies. It costs 99 MP to cast. Ignores Defense, damage still halved by Protect.
A mortar is an indirect fire weapon that fires explosive projectiles known as (mortar) bombs at low velocities, short ranges and high-arcing ballistic trajectories.