Chapter 430
- Ouyang Yu awoke and glared fiercely at Ye Yuan. Then, he retrieved a profound silver needle and stabbed it into the medicinal embryo.
- Similar to mortals using a silver needle to check for poison, alchemists use profound silver needles to check for poison.
- The profound silver needle in Ouyang Yu’s hands was a high-rank magic artifact. It could detect all poison under Tier 4. That naturally included the Tendon Gnawing Blood toxin.