It's actually stupid thinking. But as this is a written book it's possible.
No matter how powerful an individual is a large enough mob can destroy them. Just look to the numerous people's revolution.... France and China for example.
am I the only one waiting for a crazy swordsman to show up and fight Ryan to a draw . then declare that they are now eternal rival and blood Brothers from now on. then he dissappear and come back down the line and saves Ryan from a 10000% death situation