C497 Poison Poison Is Immune to All Poisons

"Then I'm leaving."

Lin Ao said to Elder Shen.

Elder Shen nodded happily. It was a good thing that he could establish a relationship with the people of Underworld.

Not to mention that he had exchanged for so many Yellow Springs Crystals.

It could be considered a great achievement.

It would also be very beneficial to his future development.

However