Gas spore - Revision history

Umbire the Phantom: nh5 updates

2026-05-26T07:59:15Z

nh5 updates

Show changes

Umbire the Phantom: tweak

2025-12-27T04:11:45Z

tweak

Umbire the Phantom: detail, re-organize lede

2025-12-27T03:59:19Z

detail, re-organize lede

Umbire the Phantom: /* Variants / dnh

2025-12-27T03:39:13Z

‎Variants: *dnh

Umbire the Phantom: /* SpliceHack */ revise - scroll of elementalism is incorrectly documented

2025-12-26T18:07:35Z

‎SpliceHack: revise - scroll of elementalism is incorrectly documented

Umbire the Phantom: /* History */ oops

2025-12-26T05:48:31Z

‎History: oops

Umbire the Phantom: more bugs + upcoming

2025-12-26T05:48:14Z

more bugs + upcoming

Umbire the Phantom: /* History */ bugfixes

2025-12-26T05:29:53Z

‎History: bugfixes

Umbire the Phantom: reflink

2025-12-26T05:20:50Z

reflink

Umbire the Phantom: detail

2025-12-26T05:12:46Z

detail

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 A gas spore will not attack on its own, but has an [[on-death explosion]] attack that triggers when it is killed by HP loss and covers a 3x3 range centered on its square, dealing 4-24 damage to any hero or other monsters caught in the blast:{{refsrc|src/explode.c|28|name="explode"|nethack=3.6.7|comment=<tt>explode()</tt> function}}{{refsrc|src/explode.c|116-L123|name="goesboom"|nethack=3.6.7}}{{refsrc|src/explode.c|163-L169|nethack=3.6.7}}{{refsrc|src/mon.c|2090|nethack=3.6.7}} forms of [[instant death]] that ignore HP, such as [[stoning]] and [[disintegration]], will not cause the gas spore to explode this way.
-The explosion creates [[noise]] in a radius depending on the damage inflicted (and whether or not the spore was engulfed when it died), and a hero caught in the explosion also [[abuse]]s [[strength]].{{refsrc|src/explode.c|558|nethack=3.6.7}}{{refsrc|src/explode.c|570-L575|nethack=3.6.7}} A gas spore that is killed by [[engulfing]] is intended to only damage the engulfer with its explosion, but this behavior is bugged for [[unsolid]] engulfers and causes the explosion to hit a 3x3 range centered on that monster without affecting the engulfer itself.
+The on-death explosion creates [[noise]] in a radius depending on the damage inflicted (and whether or not the spore was engulfed when it died), and a hero caught in the explosion also [[abuse]]s [[strength]].{{refsrc|src/explode.c|558|nethack=3.6.7}}{{refsrc|src/explode.c|570-L575|nethack=3.6.7}} A gas spore that is killed by [[engulfing]] is intended to only damage the engulfer with its explosion, but this behavior is bugged for [[unsolid]] engulfers and causes the explosion to hit a 3x3 range centered on that monster without affecting the engulfer itself.
 A hero killing a gas spore directly will be 'credited' for any monsters hit or killed by its explosion, including penalties for angering [[peaceful]] monsters or killing peacefuls and pets. Monsters will not attack a gas spore unless they are capable of surviving the explosion, i.e. they have more current HP than the maximum amount of damage it can deal.

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 A '''gas spore''', {{monsym|gas spore}}, is a type of [[monster]] that appears in ''[[NetHack]]''. The gas spore is a [[Eye or sphere|sphere monster]] that is [[mindless]], limbless and [[unbreathing]] like other monsters in the [[monster class]], but is not visible via [[infravision]], and is often the first such monster that a [[hero]] encounters.
-A gas spore will not attack on its own, but has an [[on-death explosion]] attack that covers a 3x3 range centered on its square when it is killed by HP loss:{{refsrc|src/explode.c|28|name="explode"|nethack=3.6.7|comment=<tt>explode()</tt> function}}{{refsrc|src/explode.c|116-L123|name="goesboom"|nethack=3.6.7}}{{refsrc|src/explode.c|163-L169|nethack=3.6.7}}{{refsrc|src/mon.c|2090|nethack=3.6.7}} forms of [[instant death]] that ignore HP, such as [[stoning]] and [[disintegration]], will not cause the gas spore to explode this way. A gas spore that is killed by [[engulfing]] will explode and only damage the engulfer; this behavior is bugged for [[unsolid]] engulfers and causes the explosion to hit a 3x3 range centered on that monster without affecting the engulfer itself. The explosion deals 4-24 damage to any hero or other monsters caught in it, creating [[noise]] in a radius depending on the damage inflicted (and whether or not the spore was engulfed when it died), and a hero caught in the explosion also [[abuse]]s [[strength]].{{refsrc|src/explode.c|558|nethack=3.6.7}}{{refsrc|src/explode.c|570-L575|nethack=3.6.7}} A hero that is [[polymorph]]ed into a gas spore will explode in the same way upon dying, though this "death" will always return the hero to normal form even if they have a source of [[unchanging]].{{refsrc|src/mhitu.c|2872|nethack=3.6.7|name="heroboom"|comment=hero goes boom}}
+A gas spore will not attack on its own, but has an [[on-death explosion]] attack that triggers when it is killed by HP loss and covers a 3x3 range centered on its square, dealing 4-24 damage to any hero or other monsters caught in the blast:{{refsrc|src/explode.c|28|name="explode"|nethack=3.6.7|comment=<tt>explode()</tt> function}}{{refsrc|src/explode.c|116-L123|name="goesboom"|nethack=3.6.7}}{{refsrc|src/explode.c|163-L169|nethack=3.6.7}}{{refsrc|src/mon.c|2090|nethack=3.6.7}} forms of [[instant death]] that ignore HP, such as [[stoning]] and [[disintegration]], will not cause the gas spore to explode this way.
 A hero killing a gas spore directly will be 'credited' for any monsters hit or killed by its explosion, including penalties for angering [[peaceful]] monsters or killing peacefuls and pets. Monsters will not attack a gas spore unless they are capable of surviving the explosion, i.e. they have more current HP than the maximum amount of damage it can deal.
 {{upcoming|NetHack 3.7.0|Per {{commit|a962a4f6ea5475df0224dbebda37341c2968d8ac}}, a bug is fixed that causes the hero to be credited and/or blamed for damage caused by an exploding gas spore if it was killed using the #wizkill [[extended command]] in [[wizard mode]].

← Older revision		Revision as of 03:39, 27 December 2025
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	One type of [[Random vault (UnNetHack)\|random vault]] that can be encountered is a "room with sessile growths", which may contain several gas spores.		One type of [[Random vault (UnNetHack)\|random vault]] that can be encountered is a "room with sessile growths", which may contain several gas spores.
		+
		+	===dNetHack===
		+	In [[dNetHack]], [[notdNetHack]] and [[notnotdNetHack]], [[Beholder (dNetHack)\|beholders]] that are randomly generated outside the [[Chaos Temple Quest]] are always accompanied by up to four gas spores.

	===xNetHack===		===xNetHack===

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 ===SpliceHack===
-In [[SpliceHack]], a hero reading a [[scroll of elementalism]] while confused has a {{frac|4}} chance of summoning gas spores, which are tame if the scroll was blessed and hostile otherwise&mdash;the scroll will create a single monster if cursed, and otherwise creates 3-12 monsters.
+In [[SpliceHack]], reading a [[scroll of elementalism]] while confused has a {{frac|4}} chance of summoning gas spores, which are tame if the scroll was blessed and read by a hero and will otherwise be hostile.
 ==Encyclopedia entry==

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 From NetHack 3.3.0 to NetHack 3.6.0, there are a few more bugs involving the gas spore and its on-death explosion that are fixed in [[NetHack 3.6.1]]:
-* A hero killed by the explosion of an unseen gas spore has their cause of death livelogged as "killed by a died"&mdash;this is fixed
+* A hero killed by the explosion of an unseen gas spore has their cause of death livelogged as "killed by a died"&mdash;this is fixed via {{commit|9114a334c985e5d904f210b4884f25e4e8cfb782}}.
 * A hero surviving a gas spore's explosion by having enough hit points leaves a stale pointer to "gas spore's explosion" as the cause of death if the hero would ''not'' have survived. If that hero is subsequently killed specifically by opening a [[drawbridge]], this does not assign a new cause of death since one is already present, resulting in the logged cause of death being "crushed to death by a gas spore's explosion". This is partly fixed via {{commit|0ad33783f0c9005d1baf05fee3172e488a4bc803}}.
 ** A secondary bug was discovered that involves multiple explosions being caused by a chain reaction of gas spores, resulting in an empty cause of death value&mdash;this is fixed via {{commit|c05882699527c1a1170b4d729573853c09e75081}}.

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 A hero killing a gas spore directly will be 'credited' for any monsters hit or killed by its explosion, including penalties for angering [[peaceful]] monsters or killing peacefuls and pets. Monsters will not attack a gas spore unless they are capable of surviving the explosion, i.e. they have more current HP than the maximum amount of damage it can deal.
-{{upcoming|NetHack 3.7.0|Per {{commit|695c6ef3ac6b73e2dacbc8f3224232338423efdc}}, the on-death explosion of a gas spore that occurs while engulfed by an unsolid monster will damage the engulfer and be properly contained within it.}}
+{{upcoming|NetHack 3.7.0|Per {{commit|a962a4f6ea5475df0224dbebda37341c2968d8ac}}, a bug is fixed that causes the hero to be credited and/or blamed for damage caused by an exploding gas spore if it was killed using the #wizkill [[extended command]] in [[wizard mode]].
 ==Generation==
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 * Gas spore explosions ignore [[half physical damage]]. This is partly fixed in [[NetHack 3.4.0]] via {{commit|d6d445d5145d42b942308f57d64f2ad1ab96dd42}}, but introduced a different bug where a hero with half physical damage that is caught in a gas spore's explosion halved the damage dealt to ''all'' monsters caught in the explosion instead of solely the hero's damage&mdash;this bug is fixed in [[NetHack 3.4.1]] via {{commit|6cdf92851e916361abc118472d1c27c81812b317}} so that half physical damage is only applied to the hero in those cases.
-* Monsters with [[digestion attack]]s that engulfed a gas spore were not subjected to an explosion&mdash;this is fixed in NetHack 3.4.0 via {{commit|cad85663de24befd01b65ff5078f820db415c5d5}} so that the digesting monster takes damage from doing so.
+* Monsters with [[digestion attack]]s that engulfed a gas spore are not subjected to an explosion&mdash;this is fixed in NetHack 3.4.0 via {{commit|cad85663de24befd01b65ff5078f820db415c5d5}} so that the digesting monster takes damage from doing so.
-From NetHack 3.3.0 to [[NetHack 3.4.3]], including some variants based on those versions, a gas spore will "pull back" from a hero that is [[invulnerable]] due to successfully [[praying]], despite not having any active attacks&mdash;this is [[Bugs in NetHack 3.4.3#C343-56|bug C343-56]], and is fixed in [[NetHack 3.6.0]] via {{commit|98ab86c9ec3df68d009af8a86b2f3d53c5d503d5}}.
+* A hero killed by the explosion of an unseen gas spore has their cause of death livelogged as "killed by a died"&mdash;this is fixed
 ==Origin==

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 ==History==
 The gas spore first appears in [[NetHack-- 3.0.10]], and makes its vanilla debut in [[NetHack 3.3.0]].
 From NetHack 3.3.0 to [[NetHack 3.4.3]], including some variants based on those versions, a gas spore will "pull back" from a hero that is [[invulnerable]] due to successfully [[praying]], despite not having any active attacks&mdash;this is [[Bugs in NetHack 3.4.3#C343-56|bug C343-56]], and is fixed in [[NetHack 3.6.0]] via {{commit|98ab86c9ec3df68d009af8a86b2f3d53c5d503d5}}.

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   |resistances conveyed=None
   |attributes={{attributes|A gas spore|nocorpse=1|fly=1|breathless=1|nolimbs=1|nohead=1|mindless=1|hostile=1|neuter=1}}
-  |reference=[[monst.c#line302]]
+  |reference=[https://github.com/NetHack/NetHack/blob/NetHack-3.6.7_Released/src/monst.c#L302 NetHack 3.6.7 - src/monst.c, line 302]
 }}
 A '''gas spore''', {{monsym|gas spore}}, is a type of [[monster]] that appears in ''[[NetHack]]''. The gas spore is a [[Eye or sphere|sphere monster]] that is [[mindless]], limbless and [[unbreathing]] like other monsters in the [[monster class]], but is not visible via [[infravision]], and is often the first such monster that a [[hero]] encounters.