C1489 Whoever Has the Bigger Fist will Have the Bigger Fist
When Xuan Xuzi returned to the Xuanqing Sect, he needed a reason to attack the current Great Elder, Xuan Xuanzi.
Galactic Monarch had gone to Buzhou Mountain, and the date of his return was unknown. It was still uncertain whether he would be able to return or not.
The reason Xuan Xuzi abdicated was because Galactic Monarch had broken through to the Immortality Stage