The letter!

Two weeks had already passed since Huo Li entered the mind-destroying pagoda, from the atmosphere of the sect, even if a visitor had entered the sect, they would easily find out that something is amiss, they all wore long faces all through the day, while some of them trained hard in hopes that when she makes it out, she would find them stronger than they had been before.

Huo Ying and the guardians paraded the mind-destroying pagoda every day, in hopes that she would come out one day but she never did, each day seemed too long as they waited outside the pagoda each day, as for Bingchen, he spends most of his days in the sect library, he has been reading all the books and scrolls in the library in an attempt to find a way to channel their spiritual energy into the pagoda without it backfiring on Huo Li who is still inside the pagoda.