EASY EXPERIENCE!!!
Towards the end of the game when yuo have found the last crystal before to crystal tower go to the Ancients maze keep running around until you find a greater demon.
Keep guarding until he uses "summon" he will summon an iron claw which for each you kill you gain 1900 XP. After yuo dispatch of the iron claw keep guarding until it summons another
I did this and gained 5 levels in 45 minuites
Don't stop here... Check out our complete collection of Final Fantasy III cheats
Comments for this hint