Once Huan'er's strength at the "Sky-Reaching Immortal" level was exposed while she was still under a hundred years old, it would inevitably bring all sorts of trouble. Hiding it, on the other hand, had only benefits for Huan'er without a single drawback.
Therefore, Duan Lingtian did not want Huan'er's age to be exposed.
The exposure of her strength could no longer be undone, but as long as her true age remained hidden, no one would target Huan'er or covet the various cultivation methods, immortal techniques, and divine abilities she possessed...
Chapter 2752