C42 Please Ghosts
According to Su Ze's understanding of the plot and his judgment of clearing the Reincarnation Worlds, he needed to kill a few troublemakers: Yu CangHai, Ren Woxing, Yue Buqun, and Zuo Lengshan. Each of them was no less difficult than the strongest enemy who had gone through the third level of the Reincarnation Worlds.
If there was Dongfang Bubai, then he would be even stronger