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Make sure you get all the djinn. Sometimes there are things if you go back and revisit villages. The barrier creating djinn and Forge are the best. Use them often.

Killing a monster with the djinn it's weak to grants you extra experience and an increased drop rate (you'll see the monster flash different colors as it dies). You can use this along with rng manipulation (which is fairly simple to learn) to get rare drops from certain monsters. If you think some of this would ruin your experience then ignore it.