Suggested by Destroyer Percy uses a lot of metal so that isn’t a good idea against Pyrrha Nikos. His sword will be useless against her so he will have to resort to hand to hand combat and I don’t think that will do a whole lot. Pyrrha is a lot quicker than him so she will dodge his attacks with ease. Her attacks will hit hard and her aura will protect her from any counter attacks. Percy is out of tricks and now he is out of luck. Pyrrha Nikos wins.