in the narrow cave, there was a dead silence. Meng Yi's deep and concave old eyes kept staring at Mo ran, and didn't say a word for a long time. In the confusion of thoughts, the former's face gradually became tense. At last, he looked at Mo ran and asked, "do you mean that you can practice fire in the dark?"

Meng Yi can't believe Mo Ran's words completely. After all, in this world, he is the only one who can master Qingming fire refining, and the only way for others to learn it is that he hid a scroll of elixir in the red tower of the flying cloud...