Well, who knows. There's a theory that the real guardian doesn't want to reveal himself, so he's staying silent, but is there any point in doing that?
No, a wait-and-see tactic also exists, but I don't think that's the case here.
Although... Remembering some games, I can assume that Alexiglus would do exactly that. But that's just a thought.
For now, the obvious option is Ment-Countess. Let's see what happens with the disrupted execution.