From FOnline: Forever Wiki
- Professions are needed to craft a certain type of items. There are 2 levels in each profession, each can be acquired by talking to the right NPC, if you meet the skills requirements. An Armorer with level 2 profession will be able to craft more armors than an Armorer level 1 (Noted Armorer  or Armorer ).
- There is no limit on the profession levels you can have, which means you can have every single profession on one character if you wanted.
- For now, you can't "forget" a profession level. For example, once you are Armorer , you'll stay it forever.
- Please note that professions might be required to craft something, yet they might not open related recipes visible in fix-boy !