|  |  | | The evil sorcerer will always turn into a snake for the final fight.  It doesn't matter if the hero is named Anti-Snake the Serpent Slayer, with his Viper-Slaying Broadsword of Snake-Murder, or if he previously, at some point, found an acid that ONLY works on giant snakes.  The evil wizard will be a giant snake for the last 5 minutes of his life. 
 This is not, due to popular opinion, becuase the evil wizard thinks it will let him win, or becuase he has a death wish, or because he's a herpaphile.  No, its to be contrary, because its harder to bury a giant 50ft long cobra than it is to bury a snivelling 5'4" vizier.  Additionally, dead snakes stink more.  So for years afterwards he'll still be getting his revenge on the wardrobe of whoever moves into his palace.
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