If You Were Asked to Teach Cannon Fodder, How Come They All Became Holy Masters?

My life is like walking on thin ice, do you think I can make it to the other side? In the world of cultivating immortals, there are endless disputes. The strong eats the weak, and if there is no fight, they will perish. The story takes place in a cultivating family called the Li family. An oppressed illegitimate son was forced to become the tutor of a group of children. After he discovered the fact that he was abandoned, he led them step by step to become the holy master of the holy land that transcends the nine heavens! ! During this process, he hesitated and hesitated, and finally, with the expectations of his lover and the longing of his students, he gradually became the legendary invincible saint ancestor in the world of immortality! !