Quote Originally Posted by Wildstag View Post
I figured it could be comic irony for the first statement, but once it mentioned his personal katana being used, it steps out of the "ironic guess" territory and into the "I have precise knowledge of the events" territory.
I'm almost certain that it has been pointed out before elsewhere, but it is not at all necessary that she has precise knowledge of what transpired in the throne room. In fact, she could have made the same remark based on an abridged and fairly vague account that she could spy on without having to breach the defenses of the throne room.