He was once a compassionate medicine cultivator who treated the sick and saved lives. Then disaster struck, and his entire family perished. He joined the righteous alliance and swore to slay evil demons. But before he could fulfill his blood oath, he discovered that the tragedy of his past had been staged by the righteous themselves. His faith shattered, the young man fell into the demonic path. If good medicine cannot cure a hypocritical world, then he will stop killing with killing and fight poison with poison. When a healer takes up the butcher's blade, he will rewrite the very meaning of good and evil with his own hands.