Rod of Wonder
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The Rod of Wonder is an artifact from Dungeons & Dragons that does either something good or horribly, horribly bad for the person using it. The effect is always random and usually chosen by rolling a d100 and looking at a table to determine the effect. There are many different tables, all with different effects, out there with which to refer to. Also, some choose to make their own tables.
Some hilarious effects include:
- Mass invisibility affects every creature within 900 ft. of the wielder.
- Reverse gravity affects 150 ft., centered on the rod wielder.
- The most recent adversary the wielder killed that has an equal or greater number of Hit Dice is returned to life at the exact location where it was slain, and it immediately becomes obsessed with evening the score.
- Wielder is teleported to the location where he was at exactly one day ago.
- Any other random effect your DM can think of.
Here's a link to the Wizards Rod of Wonder Effect Generator: http://www.wizards.com/dnd/wonder/wonder.zip