Board Thread:Ask the Staff/@comment-11726256-20160601081228/@comment-5642360-20160601125421

We rank up by slaying monsters, getting our EXP bars filled, and leveling up. Once we reach a certain level, we go to the neares town and talk to our specific class NPC and ask them to rank us us up by using some special stones and some money.

What MelonUniverse said.