Each magic crossbow required 50 mana stones, one mage, and five soldiers to operate. While it lacked the raw firepower of a magic cannon, it was easier to handle and allowed for greater flexibility in targeting angles. To optimize their use, the forces divided management of the crossbows between the left and right flanks.
Magic cannons, on the other hand, were far rarer artifacts. Each shot consumed 500 mana stones and required two mages and fifteen soldiers to operate. They were massive and immensely powerful. A direct hit from a magic cannon could obliterate even a first-class magical beast in a single blow. However, their drawbacks were significant.
For instance, a magic cannon might be incapable of keeping up with the flight speed of someone like Marcus or even Miaomiao. Moreover, stealth attacks were nearly impossible; the process of a magic cannon charging its mana was so conspicuous that it could be spotted from over a kilometer away.