The Big Payoff is here!

 FOUND: Rio de Janeiro, Centro. You can't miss it from there. It will only show up if you have at least 2,000 energy capacity.

Located: BRAZIL - Rio de Janeiro: Centro
You have 3 days to complete
You get a chance at 1-9% mastery for every 1K energy
You get a chance at +2000EXP, +5ATT or +5DEF each hit

Hmm, so you might not even get any XP for all that energy you put into the job? Well, let's go see how fast someone can master it :0)