The mood of Yale's father only worsened after speaking about reincarnation.
Even Yale had to admit that reincarnation had huge risks for normal people although he didn't plan to speak about that.
Due to having his soul in a dissipation process, Liye had been forced to reincarnate into a male with one of his bloodlines due to the need of such strong relationship to let the reincarnation be a success; that was also the reason he needed so much time to reincarnate.
Liye had been able to rely on his insights about life and death together with the Space-time Judgment Sword to manage to do that. As for how Lar did it, Yale believed that her father had his own method to help her to reincarnate avoiding any mishap.