C292 Phantom in cylinder

Hearing Xiao Fei's words, all of us were stunned, not without some surprise.

Other people might not understand me, but Wu Ji and I know how much corpse oil this corpse could extract, and how many corpses would be needed to extract so much and fill this gigantic stone jar with corpse oil?

Moreover, there were five vats in the side chamber. If the other vats were filled with corpse oil