Earlier at the auction, the host said that the Advanced Sword and Saber Manual might lead to a rare profession change, which is indeed true.
But it's also nonsense because the second turn is likely to result in a rare profession, though considering people in this world can only default to choosing the first profession, Yan Qing guesses that second-turn ordinary profession messengers are not few.
Yan Qing actually doesn't know much about the profession system in "Messenger" because he had never truly played this game before crossing, but the sword and saber profession change is one of the few things he remembered because it's one of the most powerful second-turn professions, almost all strength enthusiasts would choose to change to the Sword and Blade Messenger at second turn!
