Difference between revisions of "Unique item"

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("All artifacts are unique" --- "Artifacts are not unique items," hmmm.)
(copyedit, remove variant section that isn't directly related to the game-critical items)
 
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All [[artifact]]s are unique, but there are four objects which the game refers to as '''unique items''' (on the [[discoveries]] page):
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In ''[[NetHack]]'', a '''unique item''' is one of four specific objects required to complete the game:
  
 
* The [[Candelabrum of Invocation]]
 
* The [[Candelabrum of Invocation]]
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* The [[Amulet of Yendor]]
 
* The [[Amulet of Yendor]]
  
While these are also commonly referred to as "invocation artifacts", they aren't actually artifacts. This also means they don't affect artifact [[wish]]ing negatively as they don't increment the artifact count.
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The [[discoveries]] page lists these items under the "Unique Items" section. Unique items are defined by having the field <code>oc_unique</code> set to 1 in [[objects.c]]. While the unique items are also commonly referred to as '''invocation artifacts''', they do not count as [[artifact]]s for wishing purposes, as the player is guaranteed to encounter them. Unique items are indestructible (barring bugs) and may not be placed in [[container]]s.
  
Artifacts are not unique items in the sense of this article. Instead, their base item is a normal type of item, except the artifact has a special name and additional benefits. For example, the [[Eye of the Aethiopica]] is a named [[amulet of ESP]] that also provides faster [[energy]] regeneration amongst other extra powers.
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It is not possible to [[wish]] for any of the unique items.  
  
[[Stormbringer]] and the [[Tsurugi of Muramasa]] are the only [[runesword]] and [[tsurugi]], respectively, that can normally be generated in the game, but neither count as unique items. It is, however, possible to find a non-artifact runesword or tsurugi in a bones file (if the artifact has already been created), or by [[wish]]ing for one.
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==Unique items versus artifacts==
[[Category:Unique items| ]]
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Starting with [[NetHack 3.0.0]], all [[artifact]]s are also unique within a given game, but are not the same as unique items - they are specially named variants of their [[base item]] with additional benefits, and appear as named versions of those items when unidentified. Some artifacts have a base item that exists mostly or exclusively for the generation of that artifact - e.g., most games will have no more than one [[runesword]] or [[tsurugi]], as those items never generate randomly and only appear when [[Stormbringer]] or the [[Tsurugi of Muramasa]] (respectively) are generated; it is still possible to have multiples of each item, though this typically requires wishing for them or else finding a [[bones]] file containing artifacts that have already generated elsewhere in the game.
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{{nethack-367}}
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[[Category:Unique items]]

Latest revision as of 18:01, 29 February 2024

In NetHack, a unique item is one of four specific objects required to complete the game:

The discoveries page lists these items under the "Unique Items" section. Unique items are defined by having the field oc_unique set to 1 in objects.c. While the unique items are also commonly referred to as invocation artifacts, they do not count as artifacts for wishing purposes, as the player is guaranteed to encounter them. Unique items are indestructible (barring bugs) and may not be placed in containers.

It is not possible to wish for any of the unique items.

Unique items versus artifacts

Starting with NetHack 3.0.0, all artifacts are also unique within a given game, but are not the same as unique items - they are specially named variants of their base item with additional benefits, and appear as named versions of those items when unidentified. Some artifacts have a base item that exists mostly or exclusively for the generation of that artifact - e.g., most games will have no more than one runesword or tsurugi, as those items never generate randomly and only appear when Stormbringer or the Tsurugi of Muramasa (respectively) are generated; it is still possible to have multiples of each item, though this typically requires wishing for them or else finding a bones file containing artifacts that have already generated elsewhere in the game.