We were also required to make a vow to the crown never to shapeshift to confuse. That had been many years ago and at a time when the Alpha was still fresh from mourning his beloved Luna. It had been unbelieving then that the Alpha could extend an olive branch to us while in grief. 

When I received the letter requesting the Alpha's help, I heeded the call without any reluctance. It was very likely that I lose my life on this errand but if not for the king I would have been burnt to death many years back or lived as a fugitive like the shapeshifters that had escaped...