Unverified.

1. Register a communication ID under Mog Net and send emails to another PC 7 times.

2. Send/receive 4 emails from Topapa, and on the fourth one you will receive a message to do a mini-quest.

3. Go to the first town in the game and speak to Topapa.

4. Go to the designated northern cave.

5. At the dungeon, you will have an event and then will fight 3 enemies

6. After the battle, you will obtain a piece of crystal, which will unlock class.

Submitted by basenji02