I Am at the Forefront of People Cultivating Immortality

In the great wave of spiritual energy recovery, Yu Di obtained the system of cultivating immortality while sleeping, and resolutely "lyed" at the forefront of the people's cultivation of immortality. "Master Yu, you reached the Golden Elixir Realm when you were less than twenty years old and became the youngest Golden Elixir guest. Are you particularly strict with your practice? Do you race against time every day to practice?" Yu Di: "That's true. I'm so tired when I go to bed every day." ... "Congratulations to the host, you have slept for ten hours and reached the first level of foundation building." "System rewards: Storage Ring*2, Condensing Yin God*1, Samadhi Glass Fire Bug*2" "Congratulations to the host, you have slept for twenty hours and reached the second level of foundation building." "System reward: Water Escape Technique*1, Shrinking to Inch*1, Wind Control Technique*1" ... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.