C470 There Was No Way to Investigate

At the same time, Yim Lingtian was not idle either.

The entire Sky Feather Empire was investigating the matter of River Mountain, but because the River Mountain was destroyed by the formation later on, and there was no one left alive, even if they wanted to investigate, they wouldn't be able to find any clues.

And Yim Lingtian wanted to make a great contribution alone