Compared to Lusou, Ao Lie took significantly longer to refine the Dark Soil. Lusou spent about three hours in total, while Ao Lie showed no signs of halting even after a full day and night. More critically, the amount of Dark Soil he refined was tenfold that of Lusou's. If both of them were likened to a Pill Furnace, then the Dark Soil he consumed was terrifying and completely beyond the imagination of a Human Race cultivator like Lusou. Even Fang Xing couldn't help but consider sending a Spirit Sense over several times to check whether his little brother-in-law had succumbed to an inner demon, being overwhelmed and killed during the refinement process…
