>Attack your master's sword master.
>Blow cover to any with divine power in the region when you may have a few of those interested in you.
>Congrats: One-Man-Band achievement opened.
It was pretty silly, but I think the manhwa did a good job giving ample justification for it. At this point, though, they have to have a conversation about recognizing allies since there are so many of them and they don't know each other.