Starting from Douluo Continent, Sharing the Heavens: Chapter 28

The Shocked Poison Douluo "I have two solutions. The first is for Sister Yan to stop using the Jade Scale Serpent Martial Soul. That way, she won't have to worry about suffering a toxic backlash anymore." Just as Dugu Yan, feeling that she had been toyed with, was about to curse him out, she heard Dai Changsheng continue, "The second solution is for Sister Yan to absorb a soul bone and then channel all the toxins from the Jade Scale Serpent Martial Soul's backlash into that soul bone.