I, the Saint Master of All Realms, Am Starting to Recruit the Disciple of the World-Destroying Demon Lord?

The system issued a novice task, requiring Feng Ji to accept an "unremarkable" apprentice. He pointed at the little beggar on the roadside and said, "It's just you." The little beggar knelt down in excitement, and the system suddenly prompted a crazy warning—— "Danger! The future world-destroying demon lord has been detected!" "Master," the young man raised his head and smiled, "The F-level qualification you just rated me for, can you rate it again?" Feng Ji stared at the progress bar of the destruction of the world and fell into silence.