Give soldiers (only those, not the higher ranks) javelins as a ranged weapon occasionally, in order to increase the availability of javelins in the game.

Ballistae, a very large and heavy weapon that takes time to set up and prime, but can be used to launch javelins to deal a large amount of damage. Giants can wield them like crossbows. May appear as defenses in special levels like Fort Ludios and the Castle.