Train your Characters to beat him.
And when he has overdrive summon an Aeon or you die.
Easy way to train:
1.Get the overdrive modus Comrade.
2.Get a weapon with Triple Overdrive, Tripel AP and AP->Overdrive.
3.One of your characters must have killed alot of Fiends.
4.Equip the prev. described weapon to another character who will be in the game, Set overdrive to comrade.
5.Enter a fight with Don Tonberry have the Character who has killed a lot attack Don Tonberry revive him and repeat, only this character must attack.
6.When you win you will get a lot of AP (40-60 s.levels)
P.S. this can be done with any other tonberry to but not as sucssesfull.
...And as I pass, bodies of the world's great worrior's shall rise from their graves and follow me till the end[url=http://www.bleachportal.net/interactive/pquiz/index]
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