Regardless of whether it was the elixirs Chu Ning refined or the pill formulas he had seen, they were of many varieties.
Moreover, back at the Jiuhua Sect, he had used a Demon Core from a Red Flame Beast to refine elixirs.
So, at this moment, when he took the elixir from Tang Jinchuan's hand, he could feel that this elixir was refined using a Demon Core.
What's different from when he previously used the Red Flame Beast's core for elixir refining was.
Back then, he only used a part of the pill liquid from the Demon Core for refining, as a supplementary material to enhance the quality of the elixir.
However, the elixir in his hand now was clearly one where the Demon Core was the main material, combined with several spirit medicines for refining.
Although he suspected that most of the elixirs from Ice Island Immortal City were likely refined with Demon Cores.
Nevertheless, holding a sliver of expectation, Chu Ning said to Tang Jinchuan:
