"As far as we know, but nor does he dissuade ponies of his disrepute and infamy," Luna continued. "He then accompanies the griffons to Canterlot, challenges the prince to a duel demanding blood, instead arranging for the debt to be settled on an arena floor rather than a cobblestone street." She held a hoof up to stymie her sister's interjection. "Then when the time comes for the festival, this event occurs, and the human is nowhere to be found. Not even a body, only his cracked shield, and now we are left with a major incident, with griffons and ponies losing lives and paranoia and distrust amongst nations," Luna said, letting the implication hang. "I cannot dismiss the possibility that he was sent to destabilise the continent in preparation for a human invasion."