Lu Zhou had been defeated first. Facing the Immortal Sword Intent, he stubbornly refused to bow his head, resulting in the most severe injuries.
Hit by the subsequent shockwaves, his injuries compounded. Though he did not die on the spot, he was very close to it, meaning he would have no part to play when the Huangji Sect later besieged Tianjian Peak.
As for Zhu Yuan, he was simply reaping what he had sown. The battle flag in his possession came from a senior in the Tribulation Crossing Stage. When it was bestowed upon him, he was told the flag could be used three times a day, with each use unleashing the might of a Tribulation Crossing Stage cultivator—more than enough to deal with the lackeys of Xiongchu.
Chapter 381