After Cutting My Bones to Repay the Favor, I Became the Immortal Sect's Largest Creditor

The day the Taixu Sword Sect forced Shen Zhao to carve out the companion Taoist bone and give it to his junior sister, Shen Zhao didn't shed a single tear. In front of the Nine Provinces Immortal Alliance, she tore up the natal sword and wrote a piece of heavenly IOU: "Return the bones to you, you owe me the karma, and the interest will be calculated on a daily basis." Everyone laughed at her for being crazy and believed that she could not live without the sect for three days. Three years later, the Taixu Sword Sect's spiritual veins dried up, and the nine supreme elders became possessed one after another. The headmaster Gu Huaian knelt on the deserted Wenjian Peak, vomited blood and begged Shen Zhao to return. Shen Zhao led the Xuanjia Guards from the Tiandao Debt Department to smash the mountain gate and moved the jade abacus: "Headmaster Gu, we won't talk about old friendship today, we will only collect the principal and interests - taking into account the spiritual veins and luck, the Taixu Sword Sect will be destroyed." When the Immortal Sect collapsed, Gu Huaian saw the annotation left by the long-dead Demon Emperor Xie Buyan in the Forbidden Land scroll: [My well-educated little bird is also the one who deserves to be boned by you bunch of bastards?