It is a dark and stormy night. A howling wind stirs up, gathering dust. Two channelers stand, seperated by ten yards of dust, and each one shoots balefire at the other one. The balefires hit the other person at the same time and have the same strength. What happens? Do they both die, or do their balefires both cancel out the other person's balefire? Or does this create an infinite paradox that ends the world?