Easy way to level up your weaker characters
First you have to make sure they can use the Tecknik 1000 Needles (also make sure you HAVE the Tecknik 1000 Needles). Set a Gambit for them to use 1000 Needles on the nearest opponent (or something like that). Next, go to the Giza Plains, if it's not in the rainy season, most, if not all, of the monsters should have less than 1000 HP. They should now be able to easily win every fight there.
Hope this helps
Added by: foobobtheawesome Jan 2nd 2010, ID#32567