"Then why didn't you leave after confining it back then?"
"Because I was also severely injured at the time." Mrs. He shook her head: "Escaping the Domain Realm and battling it took a serious toll on my Primordial Qi, even affecting my Primordial Spirit. My Realm dropped from Ascension Realm to Guiyuan Realm. This place has good feng shui and the fortune suppresses ill fate.
The Primordial Qi in your world is thin, making cultivation difficult. If I went elsewhere, it would be hard to find such a good place to recuperate.
At the time, I thought since that creature had already fallen asleep and wouldn't wake up anytime soon, there was no rush to leave. I could stay here, use the land's natural advantages and the accumulated Primordial Qi to heal. Then, I would leave once my injuries were healed.
I practiced every day in this mountain, nourishing my wounds, and stayed here for three years. Later, my wounds gradually healed... but then I met my husband..."