What Evanist just had happen in his post involved a potion of random transformation. Everyone should roll a d100 (or generate a number between 1 and 100), and then flip a coin, or find some other way of doing a 50% chance of something. 

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A general overview of the random forms 
1-3 = terrible form (bugs, slugs, ect), 

4-30 = bad form (usually passive animals, small, non-insect animals, farm animals), 

31-60 = neutral form (minor mystical creatures, other PC races), 

61-99 = good form (most mythical creatures, giants, minotaurs, ect), 

100 = dragon.

The victim of the potion also have to flip a coin to determine the gender of their new form 
Heads = same gender as normal
Tails = opposite gender from normal

This potion may permanently transform NPCs, but not PCs.
[/hider]