Quote Originally Posted by Taieo View Post
So once I do the quest for my BLM I can no longer lvl my Thum? If I still can lvl the Thum past lvl 30 is there a good reason to? if I am modifying my class with the BLM job... Sorry I just don't know but have been wondering for a while...
You have a job crystal equipment slot.

The job and class are not separate. You just have class-mode or job-mode depending on whether or not you have a job crystal equipped.

No job crystal = Thaumaturge
Equip job crystal = Black Mage
Remove job crystal = back to Thaumaturge