Rongling, the tomb of the person who competed with the Scarlet Queen for ownership of the central galaxy in the last era. After the Scarlet Queen unified the galaxy, she erased all information about that person. After the decline of Ji's empire, people recovered only a few words about that era.
No one will win forever. Death is not the end of everything, but another beginning. When your time is over, I will be resurrected and return. This sentence comes from a mysterious letter found in the Queen's Notes. People speculate that this may be that person's final letter.
Time flies by, Rongling is about to unlock it, can that person come back...