Reverse Bones and Become an Immortal: I Use Poison Gu to Prove Immortality

In the past, the good-for-nothing legitimate daughter who was refined into a poison by her tribe returned against the will of heaven and crushed all contempt and betrayal. She used the most evil poison to cultivate the most righteous immortal, and finally reached the top of the immortal path, making all the gods in the three realms tremble.