It's already miracle enough that she knows the one; she'll have to look into the others.
...The key has not, technically, yet entered into her possession.
But that does not need to stop her.
The faint sense of something waiting within her did not fade when she was cast from Terratus.
And while she believes that in the 'normal' course of events it would have germinated upon the claiming of a Spire...
She can claim a Library as well.
She remembers the shape of the magic well enough, for all that the Edict is not truly the key as much as her own legend, yet unformed.
And so she proclaims, as she traces an invocation of the Sigil of Force, which some call the Sigil of the Spires of Terratus themselves:
"Hush House of the Isle of Brancrug, you have summoned me to serve as your Librarian. You have dared presume upon and interfere with my duty as a duly invested Fatebinder, who is called to serve impartial Justice unto conflicts irreconcilable. For far lesser offenses have lives been rendered forever forfeit by Tunon's Court.
"But I am not only a Fatebinder - and it is by the assumption of my Archonate, of powers that could well be equal to Kyros Themself, that I choose to claim you and show mercy.
"It is evident that a Spire of Terratus you are not. But the Edict I last spoke has shown me the shape of a claim to be made, and so I make it."
She thrusts her hand forward, Sigil invoked, and twists the lock open from meters away.
"And an Edict I so declare, that I, Fatebinder Ophelia Vaudelle, shall take unto myself command of Hush House, as forfeit for this presumption, until I see fit to uncoercedly release it. So I have declared, and so shall it be."