Compared to those Xinghe Squad members it killed with nuclear weapons before, it deemed killing warriors like Qin Tong and Harris from the Independent Group's Ace Mechas as more meaningful, even more so than killing Han Li and Jackson.
Because it was certain that Qin Tong and Harris were Ji Xinghe's people, just like those personal guards under its command who were killed by Ji Xinghe, as well as those loyal to its empire's great nobles who were killed by Ji Xinghe.
Ji Xinghe, unable to break through his limits, was doomed in Aida Kang's view, but this did not affect its desire to avenge Ji Xinghe in this manner before his death and continue to weaken the strength of the Independent Group.