Conjure Ballista (mega)

You conjure up a magical ballista aboard your wildjammer. This ballista has the same damage and properties of a Heavy Ballista, except that it deals mega force damage instead of mega piercing and it doesn’t require any crew to help operate it. You or any Gunner can operate this as a normal ship weapon.
This spell doesn’t use up a hardpoint slot, abut a ship can only have one conjured weapon aboard at a time.