C24 Descending Yin Formation

"Yes!" It has to be you! " Yuan Tian said with a heavier tone.

"But, Master, I'm afraid that I won't be able to take on this heavy responsibility, and if there's a mistake, will I be able to return to the mortal world?" Sima Ming couldn't help but feel worried.

"Hahaha, Sima Ming, you don't have to worry. Generally speaking