Tianzun Actually Gave Me His Cultivation Before He Died?

One day, Yang Xuan, who was plowing in the fields, suddenly noticed a person falling from the sky. When he walked in, he found that it was the seriously injured Tianzong Tianzun! Tianzun didn't know who had attacked him. He was already on his deathbed, but he was unwilling to let his cultivation be scattered between heaven and earth, so he turned his attention to Yang Xuan, who was stunned.