Oh no, your friend is half right. Zixuan has been secretly doing two things, or rather...one thing.
1 Secretly hide the water spirit bead without telling Jingtian and others who have been looking for the water spirit bead.
2 Use the water spirit bead to practice the unique water spirit inner elixir of the Nuwa tribe (descendants of the Gods) (The effect of the inner elixir is, of course, the conventional cleaning of tendons and marrow, improving cultivation for thousands of years, ascending in the daytime, attaining enlightenment and becoming an immortal...).
This shows that there are two things in his body: the Lingzhu inner elixir
Do you remember the plot in the Nuwa Temple in the game? He said to his daughter Qing'er that mother is sorry for you. In fact, she was the one who used secret techniques to seal Qing'er's lifeline so that she would not grow up and remain a baby until the "Secret Plan of the Inner Alchemy" was completed. (The fate of the Nuwa tribe is that every generation is a woman. The descendants of Nuwa save the common people in the mortal world. And they will all be trapped by love. Every day the daughter grows up, her spiritual power will increase, while the mother will weaken)
There is also a small plot that you may not remember. Zixuan is injured and sits in Changqing's room, while Jingtian and Changqing stand on the ground and have a conversation. Zixuan said let’s not go looking for Shui Lingzhu, okay? We may never find it in our lifetime. Elder Qingwei must have other ways... and so on. It shows that she is already torn between doing it for Chang Qing or for the common people.
There is a scene at the beach where Zixuan is reciting poems to an ancient tomb. Jingtian asked her who she was talking to, and she said: an old friend. After Zixuan left, Jingtian checked the tombstone and wrote "The Tomb of My Beloved Husband Lin Yeping". This is Zixuan's tomb. Lin Yeping was Changqing's previous life. Zixuan is immortal as a god, but Changqing is a mortal. Watching young Changqing turn into old Changqing one by one, and spend three lifetimes of love with Changqing. Changqing has a lot of affinity with immortality, and he has great hope of becoming an immortal through hard work. However, Zixuan pestered him life after life, making him indulge in the mortal world and never become an immortal. I also watched the TV series, but the whole thing was..., I don’t want to use bad language, but his filming was too *** ***!
It goes without saying that she loved Changqing so much that she even risked her own life, but as a member of the Nuwa clan, she was destined to devote herself to the mortal world.
It’s a bit vague to say that Chang Qing loves her deeply. Some people say that Chang Qing didn’t do anything for Zixuan, the great disciple of Shushan, which is enough. But there is this sentence in Dadukou’s dialogue: “Zixuan uses The water spirit magic killed the fleeing fire-attribute monster, and he and I were naked to heal the wounds. At the critical moment, the master saw us, thinking that we were doing something shady, so he drove us out of Shushan." Moreover, this grandson also He led Zixuan around to find connections and wanted to be his Shushan disciple.
We really can’t talk nonsense anymore. In short, Zixuan's death is very complicated. Since you are playing the ending where Zixuan dies, you should remember that she stood in front of the tower and released a ball of blue light, which penetrated into Changqing's chest and disappeared. That is Zixuan The inner elixir is gone. Zixuan had been pestering him all her life to grow old together and felt guilty that she had delayed him, so she gave the inner elixir to Changqing at the last moment to make it easier for him to become an immortal. And because of practicing the water spirit inner elixir, the water spirit bead has become one with her. So she turned herself into a water spirit bead, and used the Nuwa tribe's unique close connection with the five spirit beads to control the five spirit beads to seal and repair the Demon Locking Tower again.
She gave up hundreds of years of time and effort for Chang Qing, and sacrificed her life for the common people. But if she didn't care about Chang Qing and only did it for the common people, she wouldn't have died. The fate of the Nuwa tribe mentioned earlier seems funny and unreliable, but Zixuan has come true.