Keep getting down to round 4 and instead of Hashirama and Hiruzen doing their mystery at the same time, Hiruzen and Minato are doing it at the same time.
Or I'll get to round 5 and both Minato and Tobirama will be using their mysteries.
I seriously don't know what I'm doing wrong, but I've done this exam over 100 times and still not passed it at 28.7k power and full cultivated ninjas.