I am playing nethack for the unofficial conduct of extinctionist.

So I am trying to kill every monster, but that is a bit slow without genociding some. I want to be able to genocide @ and h, but then I can't be those races.

Is there any way I can survive that? i.e. amulet of life-saving, polymorph, etc.

  • Yes, the title is a bit provocative...
    – user140963
    Commented Mar 6, 2016 at 16:00
  • note that genociding species without 120 of them being born first is generally not considered to fulfill the extinctionist conduct...
    – Wooble
    Commented Mar 7, 2016 at 14:55
  • @Wooble really? I didn't know that. Well, this is going to be hard.
    – user140963
    Commented Mar 7, 2016 at 15:43

2 Answers 2


Don't bother. You can't genocide most @ anyway. The game will just tell you that "[y]ou aren't permitted to genocide <monster>" repeatedly for several different classes of monster (it will succeed for a small number of classes including your own).

Genociding h is an entirely different story, and a good idea for any race other than dwarf (which has to play the polymorph/amulet-of-unchanging game, denying you a perfectly good amulet slot). If you are playing as a dwarf, the usual strategy is to genocide the two mind flayer classes individually (i.e. with uncursed scrolls of genocide). This is a lot cheaper than permanently burning an amulet slot. Note that you must be very careful to spell it correctly: it is "[master] mind flayer," not "[master] mindflayer." The latter might be interpreted as an attempt to genocide "master," which is dangerous if you are playing as a monk.


According to the wiki the only way to survive genociding your own race/role is to already be polymorphed into something else and never change back. Nothing else will save you, and if you do change back you will instantly die.

Also note that you cannot polymorph into a creature that has been genocided, so you are going to have to manually kill all of something anyway. It might as well be your own species.

  • Okay thanks. My wanting to genocide @ was because that covers a lot of monsters, so this is probably the best shot. Thanks.
    – user140963
    Commented Mar 6, 2016 at 22:13
  • @RikerW While @ may cover a lot of possibilities, a large proportion of them are Uniques or exist only on the Quest level of "other" Classes. There's only one Medusa. There is a handful of Town Watch. Elves & Soldiers are the only real recurring threat in the @ family.
    – tjd
    Commented Mar 7, 2016 at 14:49
  • Note that genociding @ will kill you regardless of your starting race; the only way to survive it is to be polymorphed. Starting as a dwarf, gnome, or orc will not let you get around this.
    – Mark
    Commented Mar 8, 2016 at 10:43

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