What if Ara was the seductress? :O Well, either way, we still need to eliminate the Mafia.
Now I understand that Morny is most likely the king... And I really like the theory that Plesen is an angel! But I'm not entirely sure about it...
Thorich is probably the second Soul Eater. But how, by the way, does Arca look very much like a peaceful sorceress, as he claimed himself?
Morny is unlikely to be the king; he practically confessed that he is among the bad guys.
Besides, if Morny is the king and Plesen is an angel, then who was Madge?