Ah in case any misunderstanding. The big reward would be like if your level 30 and do all the explore area quests for first class you could get a bonus of qp, practices, and gold for completeing them all. If you are fourth class and do all the quests you would only get the extra reward for completing the fourth class ones. I am sure we would have to find a way for the already remorted 120's to do these since we have a lot of older players.