``` [Of course, before returning to the Infinite Domain...]
[You still had one more thing to do.]
[Two months later, you returned to the Wilderness Cave Abode.]
[As quickly as possible, you took the first strand of primordial yin qi that Li Yan had nurtured.]
[More than forty years had already passed since Li Yan entered the Core Formation Stage.]
[You could clearly sense the difference between this strand of primordial yin qi and the one you had taken in the previous simulation.]
[Aside from its lingering icy touch, it now carried a faint trace of yin nature.]
[Was this the first strand of primordial yin qi from a Core Formation Stage primordial yin treasure body?]
[You marveled inwardly, vaguely sensing that if Li Yan nurtured it for several hundred more years, it might even help you break through a bottleneck in the Nascent Soul Realm.]
["Master..."]
[Li Yan's face was flushed as she nestled in your embrace. She had never experienced anything as wild as what had just happened.]
["Yan'er, I had to go."]
[You did not continue drowning in that tender haven. Your most important task now was to attempt a breakthrough into the Nascent Soul Realm.]
[A beautiful woman was certainly wonderful, but compared with your own Dao path, she counted for nothing.]
[The first strand of primordial yin qi from a Core Formation Stage primordial yin treasure body could remain within your body for six months to a year.]
[If you still had not absorbed it after that period, it would dissipate on its own.]
[Thus, to be safe, you had best attempt your Nascent Soul breakthrough within six months.]
["Go attend to your important business, Master."]
[Li Yan was very obedient.]
[Two months later, you arrived in the Purple Firmament Domain.]
[Before stepping into the