Difference between revisions of "Ring of sustain ability"

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Wearing a '''ring of sustain ability''' gives you the [[sustain ability]] property, which means that your base [[attribute]]s cannot go up or down, except by polymorphing into your own race.  It is not a good idea to wear this ring for long periods, because it prevents your attributes from being increased through [[exercise]], but if you lack poison resistance, it is useful to wear a ring of sustain ability while eating poisonous corpses to avoid the [[strength]] loss.
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A '''ring of sustain ability''' is a type of [[ring]] that appears in ''[[NetHack]]''.
  
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This ring can also be used to prevent the [[intelligence]] drain from a mind flayer's attack, but it does not directly protect against death by [[brainlessness]]. In other words, if your base intelligence is at least 4, then the ring will prevent the intelligence drain and thus indirectly prevent death by brainlessness. But if your intelligence is already 3 when you put the ring on, then the ring will not protect you against brainlessness, and one successful brain-eating attack will put an end to your game. In any case, the ring will not keep you from forgetting maps and item identities.
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==Description==
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While worn, the ring confers the [[sustain ability]] property, which prevents the character's base [[attribute]]s from being changed by [[exercise]], abuse or any method ''except'' [[polymorph]]ing into their own race. [[Eating jewelry|Eating the ring]] has no effect.
  
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You could use it to fix your stats if you abuse them a lot (bad idea). A similar effect can be had by saving and restoring every 800 moves.
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==Strategy==
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The ring of sustain ability is generally used to prevent stat loss from sustained stat abuse, usually resulting from deliberate actions (e.g. constant [[nutrition|satiation]] combined with a [[ring of slow digestion]] to save food). It can also be quite beneficial in short-term scenarios: characters that lack [[poison resistance]] but have the ring identified can wear it to eat [[poisonous]] [[corpse]]s and avoid [[strength]] loss, and can safely remove the ring once they have the property. The ring can also prevent the [[intelligence]] drain from a [[mind flayer]]'s attacks, ''but'' it does not prevent [[amnesia]], and [[brainlessness]] will still occur if their attacks eat the character's brain at 3 Int regardless of sustain ability.
  
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==Identification==
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{{upcoming|NetHack 3.7.0|Mind flayers can no longer inflict amnesia, making the ring an effective mitigation against brain-sucking.}}
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A ring of sustain ability can be identified by dropping it down a [[sink]] (with a 95% chance of losing the ring in the process), or by wearing it and doing something which ought to change your attributes like eating a poisonous corpse without [[poison resistance]], eating a tin of [[spinach]], quaffing a non-cursed [[potion of gain ability]], #sitting on a coaligned altar, or applying a cursed [[unicorn horn]]. Alternatively, zap a [[wand of enlightenment]] and look for the line "You have fixed abilities".
 
  
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==Bug==
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===Identification===
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Like most rings, the ring of sustain ability gives a unique message when dropped down a [[sink]], and its property is trivial to identify via [[enlightenment]]. Characters wear-testing rings can put a suspected ring on and do something that would alter their attributes, e.g. sitting on a coaligned [[altar]].
  
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When you are wearing the ring, and your nutrition status changes to weak, your strength doesn't go down as it usually does. However, if you then remove the ring and then raise your nutrition status to hungry, your strength will increase as usual.
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==History==
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The ring of sustain ability first appears in [[NetHack 3.3.0]]. From this version to [[NetHack 3.6.0]], a bug allows characters to increase [[strength]] using the ring: wearing the ring prevents the strength loss associated with becoming weak from [[hunger]], and removing the ring and raising their nutrition status to Hungry or better increases strength. This can be [[farm]]ed or abused to raise the character's strength to their racial maximum, and is especially productive for low-strength characters such as [[Healer]]s, who start with the {{spell of|stone to flesh}} spell and frequently have low strength.
  
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This can be [[farming|farmed]] or abused to raise your [[strength]] to its racial maximum, provided that you have a large number of low-nutrition comestibles (such as [[meatball]]s). You first get your [[nutrition]] status to Hungry, and then:
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The farming is done by putting on the ring before their hunger status becomes Weak, removing the ring upon reaching that status, eating enough meatballs to become Hungry, and then wearing the ring again, repeating the process as necessary. A ring of {{= of|hunger|conflict|or=1|regeneration}} will speed up the process due to how they acceleration nutrition burn, though non-cursed rings should be used if at all possible.
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# Put on the ring of sustain ability;
 
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# Wait until your hunger status changes to Weak;
 
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# Remove the ring of sustain ability;
 
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# Eat a meatball (or enough meatballs to go from Weak to Hungry); 5) Repeat steps 1 through 4 until your strength reaches its racial maximum.
 
  
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A [[ring of hunger]], [[ring of conflict|conflict]] or [[ring of regeneration|regeneration]] will speed up this process. Beware of possible negative effects, especially if the ring is cursed.
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==Messages==
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{{message|The water flow seems fixed.|You dropped a ring of sustain ability into a sink - this will prompt you to type-[[name]] the ring.}}
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This might be especially productive for characters who start with low strength and the {{spell of|stone to flesh}} spell, such as [[healer]]s.
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{{message|You have fixed abilities.|You have sustain ability as viewed via enlightenment.}}
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{{nethack-367}}
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{{stub}}
 
 
[[Category:Rings|Sustain ability]]
 
[[Category:Rings|Sustain ability]]
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{{nethack-343}}
 

Latest revision as of 22:25, 18 February 2024

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Name sustain ability
Appearance random
Base price 100 zm
Weight 3

A ring of sustain ability is a type of ring that appears in NetHack.

Description

While worn, the ring confers the sustain ability property, which prevents the character's base attributes from being changed by exercise, abuse or any method except polymorphing into their own race. Eating the ring has no effect.

Strategy

The ring of sustain ability is generally used to prevent stat loss from sustained stat abuse, usually resulting from deliberate actions (e.g. constant satiation combined with a ring of slow digestion to save food). It can also be quite beneficial in short-term scenarios: characters that lack poison resistance but have the ring identified can wear it to eat poisonous corpses and avoid strength loss, and can safely remove the ring once they have the property. The ring can also prevent the intelligence drain from a mind flayer's attacks, but it does not prevent amnesia, and brainlessness will still occur if their attacks eat the character's brain at 3 Int regardless of sustain ability.

The following information pertains to an upcoming version (NetHack 3.7.0). If this version is now released, please verify that it is still accurate, then update the page to incorporate this information.

Mind flayers can no longer inflict amnesia, making the ring an effective mitigation against brain-sucking.

Identification

Like most rings, the ring of sustain ability gives a unique message when dropped down a sink, and its property is trivial to identify via enlightenment. Characters wear-testing rings can put a suspected ring on and do something that would alter their attributes, e.g. sitting on a coaligned altar.

History

The ring of sustain ability first appears in NetHack 3.3.0. From this version to NetHack 3.6.0, a bug allows characters to increase strength using the ring: wearing the ring prevents the strength loss associated with becoming weak from hunger, and removing the ring and raising their nutrition status to Hungry or better increases strength. This can be farmed or abused to raise the character's strength to their racial maximum, and is especially productive for low-strength characters such as Healers, who start with the stone to flesh spell and frequently have low strength.

The farming is done by putting on the ring before their hunger status becomes Weak, removing the ring upon reaching that status, eating enough meatballs to become Hungry, and then wearing the ring again, repeating the process as necessary. A ring of hunger, conflict, or regeneration will speed up the process due to how they acceleration nutrition burn, though non-cursed rings should be used if at all possible.

Messages

The water flow seems fixed.
You dropped a ring of sustain ability into a sink - this will prompt you to type-name the ring.
You have fixed abilities.
You have sustain ability as viewed via enlightenment.
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