Yang Xuan, the myth of the cultivation world, failed the heavenly tribulation due to his junior sister interrupting causing the heavenly thunder to struck the heavenly court's treasure vault. And so he lost all of his cultivation. The only way to regain his cultivation is to find all of the heavenly court's treasure that's scattered around the world. Original Manhua: BiliBili Manhua, Mkzhan, AC.QQ, KuaiKan Manhua