Lin Yun made a mental note about the key and focused on other things. He didn’t have the luxury of free time. Right now, he had to focus on reaching the limit of the Heavenly Soul Realm and becoming an empyrean as soon as possible. After all, wielding the flute as a sword wasn’t a permanent solution to his strength. Cultivation was the only way to actually improve.

If Lin Yun didn’t have a strong foundation, then it would be impossible to compete with genuine geniuses like those ...