Gerasecian 21 cm Mörser 18

The Gerasecian 21 cm Mörser 18 is the Gerasecian heavy howitzer of the Federal Army of Gerasecia that it was the Gerasecian version of 21 cm Mörser 18

It would be built in during the Battle of Canterlot that it would be used for attacking at the Equestrian troops and siege at Equestrian bases. It also to trying damage Canterlot Castle

Later,it would fire either howitzer ammunitions or mustard gas ammunitions to assault or siege at enemies for each support Gerasecian troops