Nine Streams, Nine Orifices and Nine Divine Weapons

Time travel + cultivation + alchemy + formation + bloodline + no reduction of intelligence + a bit brain-burning + lots of foreshadowing People have the upper nine streams and the lower nine streams. In cultivation, there are the upper nine orifices and the lower nine orifices. The orifices can nourish the soul, breed divine weapons, refine elixirs, plant immortal roots of forest grass, and even breed the universe. Based on the orifices, they can contain the heaven and earth and swallow all the phenomena.