In the world of Solo Leveling, guilds have a guild master (GM) who is capable and strong enough to oversee hundreds of hunters. While being a guild master comes with immense responsibilities, obtaining a license for the role is surprisingly easy, provided that the necessary steps and requirements are met by the aspirants. Not a lot of people, including Sung Jin-Woo, are aware of this, which may explain why there aren’t a lot of guilds in the series.