Belgariad? Hmmm... might be difficult to capture the flavour. Using d20 perhaps your characters could all start at 20th level, never encounter anything with more than five hit dice, waltz through every battle to a climactic final encounter which proves to be even easier than the build up and then reveal through prophecy that you weren't in any real danger of losing anyway...
And you get exponential experience for saying the same phrase again and again and again and again; perhaps something like, "Durnik you're an absolute treasure" or "One does one's best".
Still, loved it when I was fourteen...