And he does take the first strike. The advantages of fighting with Peter are the same as the problems - they know each other so well, they recognize each other, they've sparred so often, that there isn't often movements that they cannot predict.

But today Peter has the advantage because Edmund is cursed, so deeply cursed that his eyes stay focused on Rhindon, and not on his brother's chest, his brother's arms, to see where the next blow is coming from.