Formalhaut has been assigned to assist Mira in the mission to subdue the magical girls. It's likely that this is also a form of surveillance from the evil king, who has heard rumors that Mira, the evil strategist, is inexplicably infatuated with a magical girl.
If served poison, think of it as a spice...
‫إن قُدّم لك السم، فكّر فيه على أنه بهار...
Se me servem veneno,
encaro como tempero.
Если тебе подали яд — считай его
пикантной приправой…