First, because the silver-haired priest died, because the silver-haired priest is an unfathomable and powerful person, so powerful people will die, and the cause of death frightened Mercurydust; Second, because the appearance of the silver-haired priest when he died was terrible and disgusting, which frightened Mercurydust; Third, because the silver priest told Mercurydust before his death that he was an apostle of heaven among the three apostles, that is to say, Mercurydust may become a former knight, but Mercurydust failed to become a former knight. Mercurydust believes that one of the apostles of the earth and the apostles of the sea is not dead. In this case, and because he is not a former baron, Mercurydust is likely to die, and the remaining one will become a former baron, which also makes Mercurydust afraid.