Felix is silent a moment. The room around them is eerie in it's peacefulness, and he's afraid to say what he believes, but it seems the only thing logical to his mind.

"She was old. I don't think she would simply pack up and go. This tree gave her power, and power isn't easily surrendered. The fact that the tree is in this state tells me she's no longer in this world. There's really only two options, in that case. Either she was killed somehow, or the castle finally sent her back home."