For millennia, the pursuit of immortality, the yearning for true immortals, has been the arduous quest of countless powerhouses and forces. They do not know how much they have paid, how much cost they have borne.
Yet until today, in both these worlds, numerous supreme strong still found themselves trapped before the threshold of the Immortal Dao Realm, only able to sigh at the legends of immortal and indestructible true immortals.
Therefore, for anyone, or any powerful force, if they truly possessed the method of becoming immortal, they would certainly treasure it and keep it secret, not sharing it with the world.
This was also why Wu Shijiu, when he glimpsed the Witch God Sect's treasured secret techniques, did not see these things, and guessed that they were merely rumors, regarding the so-called methods of becoming immortal as lies.