C1375 'Honored Realm Spirit Pill for Benefiting the Spirit '

Hidden Dragon Castle, stage!

Actually, as long as you don't make a large scale Mortal Core, occasionally you can even make a Mortal Core or two that you urgently need.

Even if you were found out afterwards, it would be fine. No one would try to hold you responsible.

Moreover, the soul that Yu Haoran needed to refine the Mortal Core was an enemy that he would fight to the death