Fragmentation, and dissolution.
Because above this machine gun, multiple deployed high-temperature flame spraying devices simultaneously issued flames similar to before but with noticeably increased destructive power at Ji Xinghe's position in the passage. The flames combined with those dense bullets like a storm accompanied by a fierce wind.
Ji Xinghe suddenly felt fortunate; if these preparations were beyond the first gate, he would have truly had no chance to enter the interior of this Imperial Transition Base today. If these preparations were aimed at the Independent Group forcibly advancing into the passage, even though the Independent Group is equipped with Mountain-cutting Mechas with relatively higher defensive power, they would unlikely withstand this wave of combined attacks.
Moreover, these combined attacks are definitely not the entirety of the Empire's defensive force.