With the absence of Defence minister Veska, plus the fact the Royal Guard Captain Edin was not leaving the White Silver Palace, and that the First Concubine was busy with the preparations of the ceremony, Avic had completely left all authority in the palace to Garen. The entire palace was almost entirely governed by him.
In actual fact, this was all just Garen following the historic scenarios that he had seen, ridding all the Obscuro spies of the entire palace. The majority of those being purged are all eyes and ears for the First Concubine.
