Okay, so, in the story I am writing, the characters are a specialist organisation of crimefighting and detectives in the vein of Libra from Kekkai Sensen/Blood Blockade Battlefront - they are all picked due to magic expertise (except one, but that's a different story.) Anyway, the leader of this group, as it is revealed later in the story, is not at all who he actually is. Instead of a skilled caster and vigilante of sorts, he is actually the main villain of the story (or at least, part of the story.). It turns out he is skilled in the art of illusory magic, and had killed the character he was disguising himself as a few years prior to the story; on top of that, most events in the story were set up by him, or were carried out in such a way that it would benefit his rise to power. In the end, this revelation cripples the group and allows him to contain ultimate power over London, which is where the story takes place. Instead of legal vigilantes, the group become fugitives and flee London, allowing the villain to begin purging anyone who opposes him - essentially becoming a dictator. So, what would you guys say about this plot twist?