The token from Molong City that Lin Chen held was naturally one of the spoils of war from a previous battle, and it belonged to a Molong City powerhouse, with an unknown identity.
The term 'secret messenger' could cover all identities, and would definitely not give any clue away.
Lin Chen had even considered impersonating a secret messenger from the Myriad Immortal Hall, which would have been even more prestigious, and would have made it easier to meet Qiu Wushuang, but then he thought that before meeting the City Lord, someone might verify his identity, and since he couldn't even produce a token from a Myriad Immortal Hall disciple, wouldn't that give him away?
The Twelve Immortal Sects, with their formidable power, regarded their Sect Masters as Immortal Kings, and who could meet them just by wishing to do so?
