These artillery pieces resemble giant crossbows, on a simple wheeled carriage.They can hurl javelins with great accuracy, and the power of these machines means that their bolts can pierce any armour.

• 弩炮为置于轮车上的巨型弩弓，可颇为精准地发射类似标枪的粗壮弩箭，威力惊人，能穿透任何坚固盔甲。