C3517 Pill Request

In the Land of North Freezing, every Demon King would occupy a certain territory, so the distance between each Demon King was very far.

The White Tiger Demon, the Black Wolf Demon, and the Lion Demon King all left this place, so they wouldn't be able to return in a short period of time. This gave Yang Bo enough time to refine pills.

Before Yang Bo even walked into the Pill Refining Room