Merely chiding them wasn't enough. As seasoned veterans, Jiang Yun and the others, having learned from past mistakes, were far better versed in training than a layman like Ji Xinghe.
Where Ji Xinghe truly excelled was his instinct for battle, and his ability to pass on that instinct.
After cleansing the battlefield, the Independent Group returned to the No. 1837 outpost with the reinforcements from the Western War Zone. They only paused there briefly before establishing their base at the No. 1838 outpost and began to rebuild their defensive line.
The fallout area of the No. 1839 outpost naturally became a buffer and battlefield for both sides.
The recruits of the Independent Group who had been scolded all the way, began to receive combat guidance from Ji Xinghe, under the circumstances that the imperial forces at the No. 1840 outpost showed no signs of activity.
Although it wasn't Ji Xinghe's fifth lesson, it was nevertheless a public one.