I looked it up a while ago. I remember in FFTA Maitenece keeps your stuff from being stolen. It has nothing to do with exp; that you made up just because you wanted to look cool.

Risp motions around. Seventeen mirrors appear around him, and spin like a giant wheel. They grow smaller and smaller, and flow closer and closer to him. Suddenly, they all break as a wave of energy eminates from Risp. Risp used mirror wheel!

Risp is back to full health and has all negative status effects cured!
Xion is back to full health and has all negative status effects cured!
L_G has the stop status effect!
ItaDS has the stop status effect!