Is it really possible for such a fairy tale to happen in the Taiji Realm?
Of course, everyone has their own fate. Maybe they really struck it lucky, encountering some mysterious experience during their training, acquiring some life-extending, fate-reversing Heavenly Materials Treasures, undergoing Bone Marrow Cleansing, and experiencing Rebirth. And Tie Dan is not familiar with them originally, so their concealment is not entirely impossible, just very unlikely.
However, Tie Dan has a more probable suspicion.
They may have already fallen into the grasp of some old Mystic Sect, and had their fate altered.
After all, the Shen Family's Tongming Sword Heart, Heavenly Demon Seed of SSR-level bloodline, was specifically instructed at the dying moment by Tian Gang as an immortal fate, which holds enormous allure to the Mystic Sect People.
