Fighting Against the Odds: Teaching a Disciple Returns Ten Thousand Times, Dan Emperor Gu He

Cross the Douqi Continent, become the Dan King Gu He, and obtain the system of giving disciples a ten thousand times return.
Give your disciples something and you will get a ten thousand times return.
"Ding, you give your disciple Liu Ling the Azure Lotus Earth Core Fire, trigger a ten thousand times return, and get the Azure Lotus Holy Fire!"
"Ding, you give your disciple Xiao Yixian the Seven Color Poison Sutra, trigger a ten thousand times return, and get the peerless poison sutra!"
"Ding, you give your disciple Nalan Yanran a month of cultivation, trigger a thousand times return, and get eighty years of cultivation!"
...
The three-year agreement has come, and Xiao Yan proudly stepped onto the Yunlan Sect.
Xiao Yan: "Thirty years in the west, thirty years in the east, don't despise the poor young! Nalan Yanran, today I will let you see what a true genius is!"
Nalan Yanran smiled indifferently: "Really?"
After that, a Douhuang aura burst out directly.
Xiao Yan looked incredulous: "Impossible, how can you be a Douhuang strongman!"
Nalan Yanran smiled proudly: "With Master, everything is possible!"