Disciple Recruitment System: the Stronger the Disciple, the More Invincible I Am

Traveling through the world of immortality, Lin Changan became a useless elder who had not made a breakthrough in ten years. Fortunately, awakening [disciple return system]—— As long as you accept disciples, teach Dharma, and bestow treasures, you can get random returns from ten times to one hundred thousand times! So—— Give away a steamed bun and get 100,000 steamed buns back? Just give this rubbish technique and directly evolve it into the Great Dao Sutra? Others accept apprentices based on their qualifications, but he accepts apprentices... Based on fate! Until one day, he took in a seemingly ordinary girl. Little did he know that the other party was actually the reincarnation of the Empress! … The stronger my disciple is, the more invincible I am!