In Hammer and Forge quest, the hero Jin needs to take over the town of Komatsu in order to take over the forge and forge the equipment needed to scale the castle. But the peasants are missing, taken by the Mongols. The hero needs to rescue the peasants and rally them against the Mongols and take back the town of Komatsu and then the forge.
With Yuna the archer and thief class in tow, use her to distract the enemies and then move in for assassinate.
Finally, when the peasants are all rescued, need to defend the forge. But it is not easy, and the hero needs to use all the tools in his trade.