Immunity: Thorn snake venom, high-level Mongolian sweat medicine, crane crown red... There are hundreds of poisons of all kinds, but they are all low-level yellow-rank poisons.

For example, immortals cannot be immune to such mysterious poisons.

Next, Ning Qi continued to slaughter the few remaining corroded green snakes in the canyon. Behind him, two figures poked their heads out of the grass.