C473 This Was the True Method of Refining the 'golden Bridge of Landing

Ling Duoqing had once given Luo Yun a copy of the method to refine "Landing Golden Bridge".

However, even if he gave it to Luo Yun, Luo Yun wouldn't be able to learn it. Even if other people could get their hands on the method, it would still be impossible.

That was because that was just a method of refining, and there was no core secret about it.

And now