He is strong. Holds powerful magic. I could not stand against him as he is and survive unscathed.

[ It's the same for him, especially when speaking at his shrines where no one can overhear. ]

As do I, my dear. As do I.

I do not think it is the cause of all of his power; some, certainly, but not all. But I do think that with the heart destroyed, he will be much easier to finish.