Guangchengzi was not only the leader of the Twelve Golden Immortals, but also Yuanshi's most favored and personally initiated successor. If Yuanshi were to stop intervening in worldly affairs in the future, Guangchengzi would be the head of Chanjiao.
At the same time, in Yuanshi's eyes, Guangchengzi possessed exceptional talent and a high likelihood of achieving the Dao in the future.
One could say that in terms of importance, all the other Chanjiao disciples combined did not equal Guangchengzi alone. The others could perish, but Guangchengzi absolutely could not die.
Chapter 277