The knights at the forefront suddenly hit an invisible wall, rearing backwards off their horses. Some were knocked backwards, a long stream of blood spurting behind them. But the remaining knights turned a blind eye, their gaze fixed only on the fragile, eggshell-like thin five-layer military formation dozens of yards away!
Dozens of yards, for the world-renowned Northern Border Iron Cavalry, was but a moment's distance.
After a round of simultaneous shots, the first rank of young warriors swiftly retreated to the rear. Before they had completely taken their places, the second rank had already fired and continued to move backward, followed by the third rank, and then the fourth!