Polyself bug - Revision history

Umbire the Phantom: rw

2022-08-23T21:48:16Z

Umbire the Phantom: /* Variants */ deslex

2022-08-23T10:21:13Z

‎Variants: deslex

Wingedcatgirl at 17:08, 21 August 2018

2018-08-21T17:08:36Z

Netzhack at 13:32, 29 December 2016

2016-12-29T13:32:31Z

Bluescreenofdeath: The bug is fixed in Slash'EM Extended.

2015-05-12T10:53:13Z

The bug is fixed in Slash'EM Extended.

217.197.200.88: m

2015-05-12T10:41:09Z

217.197.200.88 at 10:40, 12 May 2015

2015-05-12T10:40:18Z

62.63.84.54 at 18:28, 28 November 2014

2014-11-28T18:28:40Z

Tjr: link to individual bug

2013-03-09T08:05:55Z

link to individual bug

Tjr: Text replace - " \[\[([a-zA-Z][a-zA-Z]\.c)#[Ll]ine([0-9][0-9])\]\] <\/ref>" to "{{refsrc|$1|$2}}"

2012-09-10T15:43:04Z

Text replace - "<ref> *\[\[([a-zA-Z][a-zA-Z]*\.c)#[Ll]ine([0-9][0-9]*)\]\] *<\/ref>" to "{{refsrc|$1|$2}}"

@@ Line 1: / Line 1: @@
-The '''polyself bug''' was a fairly serious flaw in the handling of self-[[polymorph]] in the case where the [[hero|character]] [[Polymorph#Polymorphing_into_your_own_race|polymorphs into their own race]] ("You feel like a new <race>!").  It is [[Bugs in NetHack 3.4.3#SC343-10|listed]] as SC343-10:
+The '''polyself bug''' was a fairly serious flaw in the handling of self-[[polymorph]] in the case where the [[hero|character]] [[Polymorph#Polymorphing into your own race|polymorphs into their own race]] ("You feel like a new <race>!"). It is [[Bugs in NetHack 3.4.3#SC343-10|listed]] as SC343-10:
   SC343-10: Player can raise HP and Pw by dancing with vampires.
-To exploit this bug, a player would need to [[Experience_level#Losing_levels|level drain]] themselves to reach experience level one (whether by the [[spellbook of drain life|spell]], by throwing a level-draining weapon upwards, by the attack of a level-draining monster, such as a [[wraith]] or [[vampire]], as alluded to in the official description of the bug, by [[pray]]ing repeatedly, or by using any other method) with max [[Hit points|HP]] and max [[Energy|Pw]] somewhat higher than normal (by using [[drain for gain]] strategy, or just drinking enough non-[[cursed]] potions of [[Potion of healing|healing]]/[[Potion of extra healing|extra healing]]/[[Potion of full healing|full healing]] and [[Potion of gain energy|gain energy]]).
+To exploit this bug, a player would need to boost their [[hit point]] and [[energy]] maximums through any applicable method, e.g. [[drain for gain]] or simply drinking enough non-[[cursed]] potions of {{potion of|healing|extra healing|full healing}}, and/or {{potion of|gain energy}}. The player then [[level drain]]s themselves to reach experience level one - methods to level drain yourself include the {{spell of|drain life}} spell, hitting yourself with [[Stormbringer]] or [[The Staff of Aesculapius]], or the attack of a level-draining monster, e.g. any [[Wraith (monster class)|wraith]] or [[Vampire (monster class)|vampire]], as alluded to in the official description of the bug.
-Once this is done, the act of self-polymorph has a chance of adjusting a player's experience level. If self-polymorph increases the player's level to 2 or 3 from 1, his hit points are approximately doubled and power approximately tripled,{{refsrc|polyself.c|161}} which is not fully offset by the act of draining this level. Therefore, by repeatedly polymorphing into their own race and draining level back to one, a player's hit points and power can be increased to the limit of (usually) a 32-bit [[signed integer]].
+Once this is done, the act of [[polyself]] into your own race has a chance of adjusting your experience level. A polyself into your own race at level one is highly likely to kill you from dropping it to 0, but can also increase it to 2 or 3 - increasing your level by polyself will approximately double your hit points and triple your power, and draining your level back to one does not fully offset this.{{refsrc|polyself.c|161}}
-The act of self-polymorph also has a high chance of killing the player if his level drops below 1; therefore several [[amulet of life saving|amulets of life saving]] are required. [[Pudding farming]] is often used to acquire a healthy quantity.
+This means that, with several [[amulet of life saving|amulets of life saving]], repeatedly polymorphing into your own race and draining level back to one can significantly increase your hit points and power, usually to the cap of a 32-bit [[signed integer]]. [[Pudding farming]] is often used to acquire a healthy quantity of amulets for this purpose.
 This bug was fixed in [[Nethack 3.6.0]].
@@ Line 13: / Line 13: @@
 ==References==
 <references/>
+{{noversion}}
 [[Category:Bugs]]

← Older revision		Revision as of 10:21, 23 August 2022
Line 10:		Line 10:

	This bug was fixed in [[Nethack 3.6.0]].		This bug was fixed in [[Nethack 3.6.0]].
−
−	~~== Variants ==~~
−
−	In the [[Slash'EM Extended]] variant, the bug has been fixed by removing the code that doubles/triples the player's HP/Pw; if the player's level is increased, their HP and Pw are incremented by a random single-digit value instead.

	==References==		==References==

@@ Line 1: / Line 1: @@
-The '''polyself bug''' is a fairly serious flaw in the handling of self-[[polymorph]] in the case where the [[hero|character]] [[Polymorph#Polymorphing_into_your_own_race|polymorphs into their own race]] ("You feel like a new <race>!").  It is [[Bugs in NetHack 3.4.3#SC343-10|listed]] as SC343-10:
+The '''polyself bug''' was a fairly serious flaw in the handling of self-[[polymorph]] in the case where the [[hero|character]] [[Polymorph#Polymorphing_into_your_own_race|polymorphs into their own race]] ("You feel like a new <race>!").  It is [[Bugs in NetHack 3.4.3#SC343-10|listed]] as SC343-10:
   SC343-10: Player can raise HP and Pw by dancing with vampires.
@@ Line 8: / Line 8: @@
 The act of self-polymorph also has a high chance of killing the player if his level drops below 1; therefore several [[amulet of life saving|amulets of life saving]] are required. [[Pudding farming]] is often used to acquire a healthy quantity.
 == Variants ==
@@ Line 17: / Line 19: @@
 [[Category:Bugs]]
-{{nethack-343}}
+{{noversion}}

@@ Line 1: / Line 1: @@
-The '''polyself bug''' is a fairly serious flaw in the handling of a self-[[polymorph]] in case the [[hero|character]] [[Polymorph#Polymorphing_into_your_own_race|polymorphs into thir own race]] ("You feel like a new <race>!").  It is [[Bugs in NetHack 3.4.3#SC343-10|listed]] as SC343-10:
+The '''polyself bug''' is a fairly serious flaw in the handling of self-[[polymorph]] in the case where the [[hero|character]] [[Polymorph#Polymorphing_into_your_own_race|polymorphs into their own race]] ("You feel like a new <race>!").  It is [[Bugs in NetHack 3.4.3#SC343-10|listed]] as SC343-10:
   SC343-10: Player can raise HP and Pw by dancing with vampires.
@@ Line 5: / Line 5: @@
 To exploit this bug, a player would need to [[Experience_level#Losing_levels|level drain]] themselves to reach experience level one (whether by the [[spellbook of drain life|spell]], by throwing a level-draining weapon upwards, by the attack of a level-draining monster, such as a [[wraith]] or [[vampire]], as alluded to in the official description of the bug, by [[pray]]ing repeatedly, or by using any other method) with max [[Hit points|HP]] and max [[Energy|Pw]] somewhat higher than normal (by using [[drain for gain]] strategy, or just drinking enough non-[[cursed]] potions of [[Potion of healing|healing]]/[[Potion of extra healing|extra healing]]/[[Potion of full healing|full healing]] and [[Potion of gain energy|gain energy]]).
-Once this is done, the act of self-polymorph has a chance of adjusting a player's experience level. If self-polymorph increases the player's level to 2 or 3 from 1, his hit points and power are approximately doubled or tripled respectively{{refsrc|polyself.c|161}}, which is not fully offset by the act of draining this level. Therefore, by repeatedly polymorphing into own race and draining level back to one, a player's hit points and power can be increased to the limit of (usually) a 32-bit [[signed integer]].
+Once this is done, the act of self-polymorph has a chance of adjusting a player's experience level. If self-polymorph increases the player's level to 2 or 3 from 1, his hit points are approximately doubled and power approximately tripled,{{refsrc|polyself.c|161}} which is not fully offset by the act of draining this level. Therefore, by repeatedly polymorphing into their own race and draining level back to one, a player's hit points and power can be increased to the limit of (usually) a 32-bit [[signed integer]].
 The act of self-polymorph also has a high chance of killing the player if his level drops below 1; therefore several [[amulet of life saving|amulets of life saving]] are required. [[Pudding farming]] is often used to acquire a healthy quantity.

← Older revision		Revision as of 10:53, 12 May 2015
Line 8:		Line 8:

	The act of self-polymorph also has a high chance of killing the player if his level drops below 1; therefore several [[amulet of life saving\|amulets of life saving]] are required. [[Pudding farming]] is often used to acquire a healthy quantity.		The act of self-polymorph also has a high chance of killing the player if his level drops below 1; therefore several [[amulet of life saving\|amulets of life saving]] are required. [[Pudding farming]] is often used to acquire a healthy quantity.
		+
		+	== Variants ==
		+
		+	In the [[Slash'EM Extended]] variant, the bug has been fixed by removing the code that doubles/triples the player's HP/Pw; if the player's level is increased, their HP and Pw are incremented by a random single-digit value instead.

	==References==		==References==

← Older revision		Revision as of 10:41, 12 May 2015
Line 1:		Line 1:
−	The '''polyself bug''' is a fairly serious flaw in the handling of a self-[[polymorph]] in case the [[hero\|character]] [[Polymorph#Polymorphing_into_your_own_race\|polymorphs into thir own race] ("You feel like a new <race>!"). It is [[Bugs in NetHack 3.4.3#SC343-10\|listed]] as SC343-10:	+	The '''polyself bug''' is a fairly serious flaw in the handling of a self-[[polymorph]] in case the [[hero\|character]] [[Polymorph#Polymorphing_into_your_own_race\|polymorphs into thir own race]] ("You feel like a new <race>!"). It is [[Bugs in NetHack 3.4.3#SC343-10\|listed]] as SC343-10:

	SC343-10: Player can raise HP and Pw by dancing with vampires.		SC343-10: Player can raise HP and Pw by dancing with vampires.

@@ Line 3: / Line 3: @@
   SC343-10: Player can raise HP and Pw by dancing with vampires.
-To exploit this bug, a player would need to [[Experience_level#Losing_levels|drain life]] themselves to reach experience level one, whether by the [[spellbook of drain life|spell]], by throwing a level-draining weapon upwards, by the attack of a level-draining monster, such as a [[wraith]] or [[vampire]] (as alluded to in the official description of the bug), by [[pray]]ing repeatedly, or by using any other method of level loss.
+To exploit this bug, a player would need to [[Experience_level#Losing_levels|level drain]] themselves to reach experience level one (whether by the [[spellbook of drain life|spell]], by throwing a level-draining weapon upwards, by the attack of a level-draining monster, such as a [[wraith]] or [[vampire]], as alluded to in the official description of the bug, by [[pray]]ing repeatedly, or by using any other method) with max [[Hit points|HP]] and max [[Energy|Pw]] somewhat higher than normal (by using [[drain for gain]] strategy, or just drinking enough non-[[cursed]] potions of [[Potion of healing|healing]]/[[Potion of extra healing|extra healing]] and [[Potion of gain energy|gain energy]]).
-Once this is done, the act of self-polymorph has a chance of adjusting a player's experience level. If self-polymorph increases the player's level, his hit points and power are approximately doubled or tripled{{refsrc|polyself.c|161}}, which is not offset by the act of draining this level. Therefore, by repeatedly polymorphing and draining level back to one, a player's hit points and power can be increased to the limit of (usually) a 32-bit [[signed integer]].
+Once this is done, the act of self-polymorph has a chance of adjusting a player's experience level. If self-polymorph increases the player's level to 2 or 3 from 1, his hit points and power are approximately doubled or tripled respectively{{refsrc|polyself.c|161}}, which is not fully offset by the act of draining this level. Therefore, by repeatedly polymorphing into own race and draining level back to one, a player's hit points and power can be increased to the limit of (usually) a 32-bit [[signed integer]].
-The act of self-polymorph also has a chance of killing the player if his level drops to zero; therefore, in order to obtain a significant amount of [[HP]] and [[power]], a handful of [[amulet of life saving|amulets of life saving]] is recommended. [[Pudding farming]] is often used to acquire a healthy quantity.
+The act of self-polymorph also has a high chance of killing the player if his level drops below 1; therefore several [[amulet of life saving|amulets of life saving]] are required. [[Pudding farming]] is often used to acquire a healthy quantity.
 ==References==

← Older revision		Revision as of 08:05, 9 March 2013
Line 1:		Line 1:
−	The '''polyself bug''' is a fairly serious flaw in the handling of a self-[[polymorph]] by an [[experience level]] one [[hero\|character]]. It is [[Bugs in NetHack 3.4.3\|listed]] as SC343-10:	+	The '''polyself bug''' is a fairly serious flaw in the handling of a self-[[polymorph]] by an [[experience level]] one [[hero\|character]]. It is [[Bugs in NetHack 3.4.3#SC343-10\|listed]] as SC343-10:

	SC343-10: Player can raise HP and Pw by dancing with vampires.		SC343-10: Player can raise HP and Pw by dancing with vampires.