Chapter 323 Advanced Refining Techniques
- Li Fei's iron essence, with a purity of 95%, would fetch millions if sold on the black market.
- On the other hand, Cole Stuart's iron essence, with a purity of 99%, was valued tens of times higher than the 95% iron essence, worth billions.
- Many questioned Cole Stuart's decision to give away such a valuable iron essence, thinking he must be crazy.