The lecturer taught by the lecturer and asked: Today is a mess, time travelers are rampant, and the system loopholes are used to seize the luck that does not belong to you and become an invincible person! Now I ask you: What is your goal of studying in this school? Everyone answered: Kill the time travelers! Teacher: Very good, this is your graduation assessment task book. Su Nan took over his assessment task book, and just read the beginning, almost spit out an old blood. The task is written like this. Kill Zhang Ye, kill Xiao Yan, kill Zheng Zha, kill Chu Xuan, kill... a large number of times the protagonists in other worlds...