Mortar

 are generic units available in the Early Modern Era, after researching Siege Cannons technology.

Class and Specialty

 * Ranged-combat unit, must have line of sight to attack. Can destroy fortified tiles but cannot retaliate when attacked by a close-combat unit.
 * Ranged-combat unit, must have line of sight to attack. Can destroy fortified tiles but cannot retaliate when attacked by a close-combat unit.

Upgrades from
Upgrade cost and needs,  access on empire.
 * Dhanvī-gaja (Khmer)