After the fall of Lucerne Castle, in order to resist threats from the Sha Hua Fishmen and Centaurs, the territory defenses of the Yalbit Kingdom continued to contract, while civilians from the Southern Kingdom began to flee northwards in groups.
During this process, it is roughly estimated that the deaths and disappearances among the civilians and slaves have reached at least three million.
The kingdom's population plummeted by nearly one-tenth, and its territory shrank by one-third. Meanwhile, the Northern Nobles, who originally pledged allegiance to the royal family, began to gather and defect to Yalbit Kingdom's neighboring country — Nax Kingdom.
The nobles who did not defect were massacred by roaming Thief bands or the Monster Race, and then Nax Kingdom showed sympathy, dispatching troops to eradicate these Thief bands and Monster Race, saving the civilians and slaves under the nobles' rule... and taking over the territory.
