Divine Blade Shadow

Li Xunhuan, along with Sun Xiaohong, retires to Li Garden. On a snowy night, he encounters Bai Tianyu entrusting his orphans to him, and he takes Ye Kai and Bai Cheng as disciples. Ye Kai shows extraordinary talent and an optimistic personality. The mysterious 'Old Man Heavenly Machine' Sun Baifa occasionally appears to guide the two children and leaves a proverb: 'The flying blade is not a blade, the divine blade is not a blade; the human heart is the blade, and that is the ultimate blade.' Rumors in the martial world say that Bai Tianyu, the master of the Divine Blade Hall, was ambushed at Meihua Nunnery and died fighting against more than thirty experts. The murderer is unknown, and the Divine Blade Hall was destroyed overnight. Li Xunhuan observes the stars at night and remains silent for a long time... — Description from novelcodex.org