How Did You Become the Sect Leader?

(Fantasy, unsystematic, traditional, passionate, decisive in killing, plot flow, emperor magic, alien hegemony) Jiang Ming, who accidentally traveled through time, became the leader of the sect. It's not easy to be the sect leader. Mud can't support the wall. Some elders are dissatisfied, and some disciples are dissatisfied. Even my own grandmother listens to politics behind the curtain and controls the clan power. In Nuo Da's sect, he is just like a puppet sect leader. From time to time, there are still people who want to kill him and replace him. Jiang Ming was helpless and couldn't help but greet his former owner: His grandma, how did you become the leader of the clan?