72 genshin playable characters are your friends who haven't returned for 2 years, once you realize it when meeting them in coincidence, they aren't your friends anymore since all of them have become the fatui harbingers and now you are their primarily wanted and targets from their views. So be careful out there and make sure not to get caught by them since they all are your enemies now with since they all are watching every of your moves.. your weaknesses is that, you are easy to be manipulated