Board Thread:General Discussion/@comment-93.72.133.51-20140307194703/@comment-93.72.133.51-20140308114948

Idea of Vivienne's ties with High Priestesses came from bracelet "forged on the Isle of Blessed", and since both of her daughters have magic and actually are High Priestesses, it's possible that she was sorceress herself. As for the price to restore balance, it seems Nimue had control or at least knew of the consequences and chosen both Ygraine and Hunith for a reason(i have read discussion somewhere on the forum).

Yes, nothing was made clear, but without Arthur, Morgana would be heir to the throne and Camelot would be ruled by sorceress. If you include details listed above it will be suspicious.

And about Balinor - yes, he was of the Old Religion, but existence of good side doesn't mean the absence of bad.