Source (2nd to last paragraph)Just like fighting enemies virtually anywhere else in Vana’diel, combat within the maze depths will yield both experience points and skillups. There is also the possibility of increasing your crafting skills, should the theme of the maze be based on synthesis. Capable of accommodating players up to a crafting skill of 60, it may be just the right venue for you and a friend to practice your handiwork.
I'm not sure what to think of this. It could be nice to finish skilling subs, but I'm thinking it could just hurt current crafters by creating more competition.