[As the Arma Gigas disappears, so too does the almost overwhelming scent of her Aura with it, though there's still a faint bit of it that lingers.]

Not all of them. There's about 20 or so different types of Demons, 21 if you count "Bel" demons, but I'm the only one of those around. And even within those categories, there's still probably around 9 different types of them.