All very good questions. It's a real shame that I haven't got a clue.

[Hawke gives the most cheerful smile he can muster. Maybe he could have answered that if had paid any attention to his father's lessons on the subject when he was younger, but he sister was the other mage in the family. He was too busy having fun to care about any of that as a child.]

If you want to know ask a mage. Or the Chantry. Both have their own answers on the matter that generally blame the other for something.