Easy exp.
First what you do is you go to the 3rd frogzard quest. You will have to fight 2 people who are pretty easy. You will get 10 potions from him and then you can click cancel during the next battle. Then go to the inn and go upstairs. There will be a little symbol of a guy holding a sword and a sheild. Click the room it is on. Something called a shower monster will attack you. He will give you 400 exp. And if you are almost dead use the potions. Keep doing this for really fast levels.
More tricks, tips and cheats for this game are right here - Adventure Quest cheats
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