Hungry Conduct is beating the game without eating food.
It can be done with any class by finding polymorph control or a wish before you are dead from hunger. Then polymorph yourself into an undead who do not need to eat.
The easy way to do hungry conduct is:
- Get to second level with a druidess and take the Animal Forms talent.
- Turn into a giant ant and get to level nine.
- Turn back into a druidess, and you should be seventh level. Take three tiers of the Animal forms.
- Zap yourself with your wand, and polymorph into something undead. Most undead, you will return to human form without an amulet of unchanging or they require you to re-zap every few minutes. But skeletons are forever.
It is possible to beat the game without eating, with a sorcerer, (and it was your only option until the new classes in version 1.2.) Start scum up a Sorcerer with a polymorph potion. About one out of a hundred times, you will polymorph into a mummy when you drink this potion.