C185 Impermeability of a Hundred Poisons?

Thousand Poisons Sect, Zhao Leiluo's room.

The doors and windows were closed, and the room was filled with the smell of vegetables that had been soaked in water and fermented.

In the center of the room, there was a square cauldron. The bottom of the cauldron was made from extremely pure Burning Fire Rocks, and the dark green, gelatinous substance within the cauldron was constantly shrinking