Looking at these densely packed Pill Slaves, Du Fei's eyes twitched incessantly. It was known that while the key aspect of a Pill Slave was the pill, their raw material was Martial Artist Powerhouse. The presence of these densely packed Pill Slaves here could make one imagine how many powerhouses had been forcibly brought here in the past and subsequently refined into Pill Slaves!

Moreover, Du Fei vaguely felt that the Pill Slaves he had seen within the Elixir King Ruins ...