Map of the Kingdom's Warfare.

Summary

Zhang Xuan reviews a diplomatic letter from Goguryeo, revealing insincerity in their promises of submission. He decides to focus on completely annihilating Goguryeo's army, as the Sui Dynasty has the initiative. The narrative shifts to the Sa River, where Goguryeo's forces are camped around a shipyard. Sui navy elite soldiers, referred to as "water ghosts," gather intelligence on the enemy camp. Zhang Xuan inspects a powerful iron ram designed for their ships, ensuring its readiness for battle. The following day, he gathers generals to strategize, emphasizing the need to exploit Goguryeo's supply vulnerabilities and divide their forces. Specific commands are issued to various generals to execute the plan effectively.

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