The pass is the Dynasty's most valued border stronghold. If anything happens, the border army's first task is to find ways to defend the pass, allowing no one in or out.
Regardless of whether it's the Yanbei Border Army of the North, the Zijing Border Army of the Southwest, or the current Heluo Border Army, the soldiers here are trained to value the border pass more than their lives.
Unless there is an imperial decree from Shengjing, they will be stationed at the border their entire lives.
So by working together with Lu Jin'an to first destroy one of the pass gates, the Heluo Border Army will naturally have half defending the pass, making it easy to take on the remaining Heluo Border Army.
After all, this is a surprise attack.
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On Heluo Pass, having dealt with all the Heavenly Observation Bureau Inspectors, Lu Jin'an stood on the city wall, surrounded by Vigorous Force, making it impossible for other soldiers to approach him.
