"Hey, what's in that cave over there?" An innocent question that can make a DM sweat. You didn't prepare a cave dungeon. Not to worry, my friend. Thanks to John Fourr over at RolePlayingTips.com, you can whip up a 5 Room Dungeon on the fly that will make your players giggle with delight and they'll have no idea you were making it up as you go.
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