What Does It Mean That My Good-For-Nothing Junior Brother Is the Way of Heaven?

Yin Chiyao, who traveled to the world of immortal cultivation and became the favored handyman disciple of the No. 1 Swordsmanship sect in the world of immortality, thought that he was a waste because his cultivation level would continue to regress, but he did not expect that he would be the spokesperson of heaven. How can he return to the way of heaven when his starting point is a negative number?