The proficiency of the Thirteen Demon-slaying Sword Formulas is rapidly progressing, soon achieving mastery.
Additionally, the progress in swordsmanship's Sword Qi Thunder Sound is slowly increasing; less than half an hour resulted in an advancement, whereas normally it would take several days to progress one point.
After practicing together for an hour, she flicked him away with a single strike and stood firm with her sword:
"That's enough for today. Go back and continue practicing."
Su Yu bowed with his sword:
"Thank you, Sword Immortal Li, for your guidance!"
He then saluted Chu Xinyue and took his leave.
Back at the side courtyard, he took out the Cyan Sword and continued practicing.
Early the next morning, he received a message from Chu Xiaoyu asking him to come over for sword practice.
Still in the inner garden, still practicing the Thirteen Demon-slaying Sword Formulas, practicing together for just one hour each day, then practicing on his own.
