Difference between revisions of "Potion of invisibility"

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{{potion|name=invisibility|cost=150|muse=misc}}
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{{potion
 +
|name=invisibility
 +
|cost=150
 +
|muse=misc}}
  
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__TOC__
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A '''potion of invisibility''' is a type of [[potion]] that appears in ''[[NetHack]]''.
  
−
==Quaffing effects==
+
==Generation==
 +
Randomly generated [[monster]]s may receive a potion of invisibility as a [[miscellaneous item]]: if an invisibility item is chosen for that monster's [[monster starting inventory|starting inventory]], it has a {{frac|5|6}} chance of receiving the potion, unless it is not hostile ''and'' [[you]] cannot currently [[see invisible]].{{refsrc|src/muse.c|2035|version=NetHack 3.6.7|comment=peaceful monsters are not generated with invisibility items unless you can see them after use}}
  
 +
==Description==
 +
[[Quaff]]ing a potion of invisibility turns the drinker [[invisible]] and will [[auto-identify]] the potion, with effects varying depending on [[beatitude]] and whether or not [[you]] or a monster drank it.
 +
 +
A blessed potion grants you permanent invisibility, while an uncursed potion grants you temporary invisibility for 31-45 more turns.{{refsrc|src/potion.c|737|version=NetHack 3.6.7}} A cursed potion has the same effect as an uncursed one, but will additionally [[aggravate]] monsters by awakening all [[sleep]]ing and [[meditating]] monsters on the level.{{refsrc|src/potion.c|748|version=NetHack 3.6.7}} The potion will have the same effects if you are [[blind]], already invisible or else wearing a [[mummy wrapping]], but does not auto-identify the potion and prints a different message.
 +
 +
Monsters will use this potion, auto-identifying it if you witness one doing so. A monster that quaffs this potion becomes permanently invisible unless it is wearing a mummy wrapping; the same effects occur if a monster is hit with a thrown potion. If a monster quaffs a cursed potion, it aggravates ''you'': the invisible monster's position will briefly be displayed on the map along with a message, and you are awakened from any unconscious state.{{refsrc|src/muse.c|1990|version=NetHack 3.6.7|name="aggroyou"}}{{refsrc|src/muse.c|2001|version=NetHack 3.6.7|name="alarm"}} Peaceful and tame monsters that are not invisible will not quaff the potion if you cannot [[see invisible]].
 +
 +
Inhaling the [[vapors]] from a potion of invisibility will cause you to become invisible very briefly and auto-identify the potion if you saw it break.
 +
 +
{{upcoming|NetHack 3.7.0|As of {{commit|f83a57c5bf76f1947a26021bd21249b1e2aa57b9|commit f83a57c}}, the quaff effects are as follows:}}
 
{|class="prettytable"
 
{|class="prettytable"
 
!Case
 
!Case
Line 10: Line 24:
 
|-
 
|-
 
|blessed
 
|blessed
−
|You become permanently [[invisibility|invisible]].
+
|You have a {{frac|30}} chance of becoming permanently invisible ({{frac|15}} if already invisible). Otherwise, you gain (3d100)+100 (more) turns of temporary invisibility.
 
|-
 
|-
 
|uncursed
 
|uncursed
−
|You become invisible for 31 to 45 (more) turns.
+
|You become invisible for (6d100)+100 (more) turns.
 
|-
 
|-
 
|cursed
 
|cursed
−
|You become invisible for 31 to 45 (more) turns.<br/>
+
|You become invisible for (9d100)+100 (more) turns.<br/>
−
You [[aggravate]] monsters for a moment.
+
All sleeping and meditating monsters on the level are awoken.
 
|}
 
|}
  
−
If quaffed by a monster, it becomes permanently invisible (unless it is wearing a mummy wrapping). If the potion was cursed, you are awoken and told the monster's position.
+
==Strategy==
 +
{{main|invisibility}}
 +
Uncursed potions of invisibility are useful for escaping or clearing out tricky combat situations early in the game, but will usually not be relied on as often once a character gets off the ground. A blessed potion is a quick and easy way to attain permanent invisibility if you are not concerned about handling shopping or else have a means to do so. If you are already permanently invisible or do not plan to make permanent use of the property, non-cursed potions of invisibility are a good prime candidate for [[dilution]].
  
−
If the potion hits a monster, it becomes permanently invisible (unless it is wearing a mummy wrapping).
+
A cursed potion of invisibility, on the other hand, is useful for remotely waking up [[covetous]] monsters such as your [[quest nemesis]] or any of the [[demon lords and princes]] in [[Gehennom]]. This is best done while standing on the upstair, both to save you a trek across the level and to block off their escape while you fight them.
 +
 
 +
==History==
 +
The potion of invisibility first appears in Hack 1.21,a variant of [[Jay Fenlason's Hack]], and also appears in Hack for PDP-11 and PC/IX. It is included in the initial item list for [[Hack 1.0]].
  
 
==Messages==
 
==Messages==
 +
{{message|Gee!  All of a sudden, you can't see yourself.|You quaffed a potion of invisibility.}}
 +
{{message|For some reason, you feel your presence is known.|This is additionally printed if you quaffed a cursed potion.}}
 +
{{message|Gee!  All of a sudden, you can see right through yourself.|As above, but you have see invisible.}}
 +
{{message|Far out, man!  You can't see yourself.|You quaffed a potion of invisibility while [[hallucinating]].}}
 +
{{message|Far out, man!  You can see right through yourself.|As above, but you also have see invisible.}}
 +
{{message|You have a peculiar feeling for a moment, then it passes.|You quaffed the potion while blind, already invisible, or else wearing a mummy wrapping.}}
 +
{{message|You have a normal feeling for a moment, then it passes.|As above, while hallucinating.}}
  
−
{|class="prettytable"
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{{message|Suddenly you cannot see <monster>.|A monster became invisible by quaffing the potion.}}
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!Message
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{{message|<monster's> body takes on a strange transparency.|As above, but you have see invisible.}}
−
!Reason
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{{message|<monster's> body takes on a normal transparency.|As above, but you were also hallucinating.}}
−
|-
+
{{message|For some reason, <monster's> presence is known to you.<br>You feel aggravated at the invisible <monster>.|A monster quaffed a cursed potion.}}
−
|"You have a peculiar feeling for a moment, then it passes."
+
{{message|Aggravated, you are jolted into full consciousness.|As above, but the effect also roused you from unconsciousness.}}
−
|You are already invisible or blind or wearing a mummy wrapping<br/>
 
−
You are not hallucinating
 
−
|-
 
−
|"You have a normal feeling for a moment, then it passes."
 
−
|You are already invisible or blind or wearing a mummy wrapping<br/>
 
−
You are hallucinating
 
−
|-
 
−
|"Gee!  All of a sudden, you can't see yourself."
 
−
|You quaffed the potion
 
−
|-
 
−
|"Far out, man!  You can't see yourself."
 
−
|You quaffed the potion<br/>
 
−
You are hallucinating
 
−
|-
 
−
|"Gee!  All of a sudden, you can see right through yourself."
 
−
|You quaffed the potion<br/>
 
−
You have [[see invisible]]
 
−
|-
 
−
|"Far out, man!  You can see right through yourself."
 
−
|You quaffed the potion<br/>
 
−
You have [[see invisible]]<br/>
 
−
You are hallucinating
 
−
|-
 
−
|"For some reason, you feel your presence is known."
 
−
|You quaffed the potion<br/>
 
−
The potion was cursed
 
−
|-
 
−
|"Suddenly you cannot see <monster>."
 
−
|<monster> quaffed the potion
 
−
|-
 
−
|"<monster's> body takes on a strange transparency."
 
−
|<monster> quaffed the potion<br/>
 
−
You have see invisible
 
−
|-
 
−
|"<monster's> body takes on a normal transparency."
 
−
|<monster> quaffed the potion<br/>
 
−
You have see invisible<br/>
 
−
You are hallucinating
 
−
|-
 
−
|"For some reason, <monster's> presence is known to you."
 
−
|<monster> quaffed the cursed potion
 
−
|-
 
−
|"You feel aggravated at the invisible <monster>!"
 
−
|<monster> quaffed the cursed potion<br/>
 
−
You are already awake
 
−
|-
 
−
|"Aggravated, you are jolted into full consciousness."
 
−
|<monster> quaffed the cursed potion<br/>
 
−
You were unconscious
 
−
|-
 
−
|"For an instant you couldn't see yourself!"
 
−
|You inhaled the vapors<br/>
 
−
You are not already invisible<br/>
 
−
You are not blind
 
−
|-
 
−
|"For an instant you could see right through yourself!"
 
−
|You inhaled the vapors<br/>
 
−
You are not already invisible<br/>
 
−
You are not blind<br/>
 
−
You have see invisible
 
−
|}
 
−
 
 
−
==Identification==
 
  
−
This potion is very often identified for you when a monster quaffs it. It self-identifies only if you manage to observe yourself becoming invisible.
+
{{message|For an instant you couldn't see yourself!|You inhaled the vapors of the potion while not blind.}}
−
 
+
{{message|For an instant you could see right through yourself!|As above, but you have see invisible.}}
−
==Strategy==
 
  
−
See [[invisibility]] for details on being invisible.
+
==Variants==
 +
===SLASH'EM===
 +
In [[SLASH'EM]], dipping an item in a potion of invisibility will turn it [[Invisible item (SLASH'EM)|invisible]].
  
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This potion is a prime candidate for [[dilution]], as you rarely need more than one, if any. It is best picked up to deny monsters its use.
+
Two potions of invisibility are placed randomly in the open area of [[Grund's Stronghold]] at level creation.
  
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==See also==
+
===EvilHack===
 +
In [[EvilHack]], [[agent]]s are always generated with potions of invisibility.
  
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* [[spellbook of invisibility]]
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===SlashTHEM===
−
* [[ring of invisibility]]
+
In [[SlashTHEM]], in addition to SLASH'EM details, the [[Ninja (role)|Ninja]] starts each game with a blessed potion of invisibility.
−
* [[cloak of invisibility]]
 
−
* [[stalker]]
 
  
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{{DOD}}
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Making a potion of invisibility via [[chemistry set]] uses up three charges.
  
 +
==References==
 +
<references/>
 +
{{nethack-367}}
 
[[Category:Potions|Invisibility]]
 
[[Category:Potions|Invisibility]]
−
{{nethack-343}}
 

Latest revision as of 15:49, 6 February 2024

! Pink potion.png
Name invisibility
Appearance random
Base price 150 zm
Weight 20
Monster use May be used by monsters as misc items.

A potion of invisibility is a type of potion that appears in NetHack.

Generation

Randomly generated monsters may receive a potion of invisibility as a miscellaneous item: if an invisibility item is chosen for that monster's starting inventory, it has a 5⁄6 chance of receiving the potion, unless it is not hostile and you cannot currently see invisible.[1]

Description

Quaffing a potion of invisibility turns the drinker invisible and will auto-identify the potion, with effects varying depending on beatitude and whether or not you or a monster drank it.

A blessed potion grants you permanent invisibility, while an uncursed potion grants you temporary invisibility for 31-45 more turns.[2] A cursed potion has the same effect as an uncursed one, but will additionally aggravate monsters by awakening all sleeping and meditating monsters on the level.[3] The potion will have the same effects if you are blind, already invisible or else wearing a mummy wrapping, but does not auto-identify the potion and prints a different message.

Monsters will use this potion, auto-identifying it if you witness one doing so. A monster that quaffs this potion becomes permanently invisible unless it is wearing a mummy wrapping; the same effects occur if a monster is hit with a thrown potion. If a monster quaffs a cursed potion, it aggravates you: the invisible monster's position will briefly be displayed on the map along with a message, and you are awakened from any unconscious state.[4][5] Peaceful and tame monsters that are not invisible will not quaff the potion if you cannot see invisible.

Inhaling the vapors from a potion of invisibility will cause you to become invisible very briefly and auto-identify the potion if you saw it break.

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.

As of commit f83a57c, the quaff effects are as follows:
Case Effect
blessed You have a 1⁄30 chance of becoming permanently invisible (1⁄15 if already invisible). Otherwise, you gain (3d100)+100 (more) turns of temporary invisibility.
uncursed You become invisible for (6d100)+100 (more) turns.
cursed You become invisible for (9d100)+100 (more) turns.

All sleeping and meditating monsters on the level are awoken.

Strategy

Main article: invisibility

Uncursed potions of invisibility are useful for escaping or clearing out tricky combat situations early in the game, but will usually not be relied on as often once a character gets off the ground. A blessed potion is a quick and easy way to attain permanent invisibility if you are not concerned about handling shopping or else have a means to do so. If you are already permanently invisible or do not plan to make permanent use of the property, non-cursed potions of invisibility are a good prime candidate for dilution.

A cursed potion of invisibility, on the other hand, is useful for remotely waking up covetous monsters such as your quest nemesis or any of the demon lords and princes in Gehennom. This is best done while standing on the upstair, both to save you a trek across the level and to block off their escape while you fight them.

History

The potion of invisibility first appears in Hack 1.21,a variant of Jay Fenlason's Hack, and also appears in Hack for PDP-11 and PC/IX. It is included in the initial item list for Hack 1.0.

Messages

Gee! All of a sudden, you can't see yourself.
You quaffed a potion of invisibility.
For some reason, you feel your presence is known.
This is additionally printed if you quaffed a cursed potion.
Gee! All of a sudden, you can see right through yourself.
As above, but you have see invisible.
Far out, man! You can't see yourself.
You quaffed a potion of invisibility while hallucinating.
Far out, man! You can see right through yourself.
As above, but you also have see invisible.
You have a peculiar feeling for a moment, then it passes.
You quaffed the potion while blind, already invisible, or else wearing a mummy wrapping.
You have a normal feeling for a moment, then it passes.
As above, while hallucinating.
Suddenly you cannot see <monster>.
A monster became invisible by quaffing the potion.
<monster's> body takes on a strange transparency.
As above, but you have see invisible.
<monster's> body takes on a normal transparency.
As above, but you were also hallucinating.
For some reason, <monster's> presence is known to you.
You feel aggravated at the invisible <monster>.
A monster quaffed a cursed potion.
Aggravated, you are jolted into full consciousness.
As above, but the effect also roused you from unconsciousness.
For an instant you couldn't see yourself!
You inhaled the vapors of the potion while not blind.
For an instant you could see right through yourself!
As above, but you have see invisible.

Variants

SLASH'EM

In SLASH'EM, dipping an item in a potion of invisibility will turn it invisible.

Two potions of invisibility are placed randomly in the open area of Grund's Stronghold at level creation.

EvilHack

In EvilHack, agents are always generated with potions of invisibility.

SlashTHEM

In SlashTHEM, in addition to SLASH'EM details, the Ninja starts each game with a blessed potion of invisibility.

Making a potion of invisibility via chemistry set uses up three charges.

References

  1. ↑ src/muse.c in NetHack 3.6.7, line 2035: peaceful monsters are not generated with invisibility items unless you can see them after use
  2. ↑ src/potion.c in NetHack 3.6.7, line 737
  3. ↑ src/potion.c in NetHack 3.6.7, line 748
  4. ↑ src/muse.c in NetHack 3.6.7, line 1990
  5. ↑ src/muse.c in NetHack 3.6.7, line 2001
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