Shan Lu didn't plan to let the 2nd Infantry Division defend the western positions on its own. Judging from the troop deployments, he tried his best to place two divisions in each direction, indicating that he initially intended to station two divisions for defense in the west.
However, the 5th Infantry Division, which he planned to station in the west, landed quite late because most of the available transport capacity had been allocated to Shan Lu's prized possession: the Orc Army's main force, the 1st Armored Division.
Late that night, the 5th Infantry Division was finally sent ashore. After drifting at sea for two days, the Orc soldiers were utterly exhausted and could only stay put to rest and recover.
As a result, the 5th Infantry Division ended up as the reserve force and was temporarily placed to the left of the 1st Armored Division, closer to the area defended by the 2nd Infantry Division.
