What was the cause of Biyou’s death in the sequel to Journey to the West? Why did Biyou push away Sha Seng's hand?

Biyou in "Journey to the West" did not die. Her soul drifted to Buzhou Mountain, was resurrected by the Emperor, and reshaped her body. Later, after the Buddha Qiao Ling'er returned to his throne, Conferred the title of Dharma Protector Zen Bodhisattva. Biyou pushed away Sha Seng's hand because Biyou was a fairy and could withstand retrograde reincarnation without losing his soul. However, Sha Seng was a golden Arhat and he couldn't bear it at that time, so he pushed Drift away.

In Biyou's life, she first took in Qiao Ling'er with her master during the chaos in the Three Realms. Because Qiao Ling'er's identity could not be known to her at that time, she and Qiao Ling'er, the reincarnated soul boy of the Buddha, Ling'er fell in love for a long time and fell in love which was destined to be fruitless. It’s no wonder, Qiao Ling’er has a gentle and elegant image. Although he is a weak scholar, he is still determined and has a gentlemanly demeanor. Biyou has never been in contact with men of the same age since he was a child, so it is normal for him to like Qiao Ling’er. Even when he later found out Ling'er's identity, he was like a moth rushing to a flame without looking back.

Being in unrequited love for Ling'er, Biyou sacrificed her life three times to save Ling'er. From a purely emotional point of view, she was quite despicable, because at that time, Ling'er already had Lotus, although The marriage was not consummated, but Qiao Ling'er was already married. At that time, she had some unhealthy views and was reviled by many people. In later plots, the plot of White Lotus was made to make no distinction between right and wrong, betraying Qiao Ling'er and Sun Wukong many times. It was only at this time that Biyou began to receive praise from drama fans.

In "Journey to the West", Biyou Fairy's character has always been a relatively dedicated existence, whether she was a master before, or Ling'er later, or for the whole person later. In the Three Realms, Biyou’s dedication has never stopped. She also had adventures. She encountered a world that others could not enter? Buzhou Mountain. So she survived and was later named a Bodhisattva. Apart from her feelings, she was successful.