Difference between revisions of "Helm"

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The '''helm''' is one of the seven slots for [[armor]] in ''[[NetHack]]''. Their primary use is protecting your head and cranium, especially against [[mind flayer]]s. The most popular helms to carry are [[helm of telepathy]], [[helm of brilliance]], and [[elven leather helm]]. [[Cornuthaum]]s are occasionally used by [[wizard]]s, and a [[helm of opposite alignment]] is often used on the [[ascension run]].
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{{tocright}}
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A '''helm''' is a form of [[armor]] that appears in ''[[NetHack]]'', and is one of seven armor slots available to the [[hero]] and certain [[monster]]s.
  
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The helm of telepathy grants extrinsic [[telepathy]], similar to an [[amulet of ESP]]. The helm of brilliance will increase your [[intelligence]] and [[wisdom]] by its enchantment, so +5 HoB and 18 Int and 17 Wis will produce 23 Int and 22 Wis. Elven leather helms can take a higher enchantment than other items and [[weight|weigh]] less than most other helms: 3 wt versus 50.
+
== Description ==
  
−
{{upcoming|NetHack 3.7.0|The helm of brilliance now has a fixed unidentified description of "crystal helm", and is made of glass so does not inhibit spellcasting. A new helm has been added, the [[helm of caution]], which conveys [[warning]] when worn.}}
+
Wearing a [[metallic]] helm reduces damage from falling objects and monsters, such as:
 +
* [[falling rock trap]]s
 +
* boulders or rocks from a [[scroll of earth]]
 +
* objects [[thrown]] upward by the hero
 +
* falling [[piercer]]s.
  
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==List of helms==
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However, metallic helms also increase [[spellcasting]] failure rates, with the exception of the [[helm of brilliance]].
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{|class="prettytable striped sortable"
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 +
A [[greased]] helm may block the [[intelligence]] drain damage type from a [[mind flayer]] or [[master mind flayer]].{{refsrc|nethack=3.6.7|src/mhitu.c|830|comment=function u_slip_free}} A noncursed greased helm always blocks such an attack; a cursed greased helm has only a {{frac|2|3}} chance. After blocking such an attack, the grease has a {{frac|1|2}} chance of wearing off.
 +
 
 +
Any helm (including a cursed greased helm that fails to provide grease protection) then has a {{frac|7|8}} chance of blocking such an attack.
 +
 
 +
== Use by monsters ==
 +
 
 +
Any [[monster]] that can wear [[armor#Monsters, pets, and armor|armor]] can [[wear]] a helm.{{refsrc|nethack=3.6.7|src/worn.c|496}}
 +
 
 +
An [[aligned priest]], a [[high priest]], or a [[minion]] will not wear a [[helm of opposite alignment]].{{refsrc|nethack=3.6.7|src/worn.c|554}}
 +
 
 +
A monster with [[body parts#Horns|horns]] can wear only a [[flimsy]] helm.{{refsrc|nethack=3.6.7|src/worn.c|560}} If the hero or a monster is polymorphed into a form with horns, any existing non-flimsy helm will be pushed off.{{refsrc|nethack=3.6.7|src/worn.c|939}}
 +
 
 +
== List of helms ==
 +
 
 +
{|class="prettytable sortable"
 
!|Name
 
!|Name
 
![[Zorkmid|Cost]]
 
![[Zorkmid|Cost]]
Line 16: Line 36:
 
!|Effect
 
!|Effect
 
|-
 
|-
−
|[[Fedora]]
+
| [[Fedora]] || 1 || 3 || 0 || [[cloth]] || ||
−
|1
 
−
|3
 
−
|0
 
−
|[[Cloth]]
 
−
|
 
−
|
 
 
|-
 
|-
−
|[[Dunce cap]]
+
| [[Dunce cap]] || 1 || 4 || 0 || [[cloth]] || conical hat || [[Autocursing]]. Sets [[Intelligence|Int]] and [[Wisdom|Wis]] to 6.
−
|1
 
−
|4
 
−
|0
 
−
|Cloth
 
−
|[[Conical hat]]
 
−
|[[Autocurse]]s when worn; [[Intelligence|Int]] and [[Wisdom|Wis]] set to 6
 
 
|-
 
|-
−
|[[Cornuthaum]]
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| [[Cornuthaum]] || 80 || 4 || 0 || [[cloth]] || conical hat || [[Magic cancellation|MC1]]. Special benefits for [[wizard]]s and penalties for non-wizards.
−
|80
 
−
|4
 
−
|0
 
−
|Cloth
 
−
|Conical hat
 
−
|[[Magic cancellation|MC1]]; [[wizard]]s can [[Enchantment|enchant]] to +7; [[clairvoyance]] and [[Charisma|Ch]]+1 for [[wizard]]s; blocks clairvoyance and Ch−1 for non-wizards
 
 
|-
 
|-
−
|[[Elven leather helm]]
+
| [[Elven leather helm]] || 8 || 3 || 1 || [[leather]] || leather hat || Can be [[Enchantment|enchanted]] to +7.
−
|8
 
−
|3
 
−
|1
 
−
|[[Leather]]
 
−
|Leather hat
 
−
|Can be [[Enchantment|enchanted]] to +7
 
 
|-
 
|-
−
|[[Orcish helm]]
+
| [[Orcish helm]] || 10 || 30 || 1 || [[iron]] || iron skull cap ||
−
|10
 
−
|30
 
−
|1
 
−
|[[Iron]]
 
−
|Iron skull cap
 
−
|
 
 
|-
 
|-
−
|[[Dented pot]]
+
| [[Dented pot]] || 8 || 10 || 1 || [[iron]] || ||
−
|8
 
−
|10
 
−
|1
 
−
|Iron
 
−
|
 
−
|
 
 
|-
 
|-
−
|[[Dwarvish iron helm]]
+
| [[Dwarvish iron helm]] || 20 || 40 || 2 || [[iron]] || hard hat ||
−
|20
 
−
|40
 
−
|2
 
−
|Iron
 
−
|Hard hat
 
−
|
 
 
|-
 
|-
−
|[[Helmet|Helmet (kabuto)]]
+
| [[Helmet|Helmet (kabuto)]] || 10 || 30 || 1 || [[iron]] || ''(randomized)'' ||
−
|10
 
−
|30
 
−
|1
 
−
|Iron
 
−
|''(randomized)''
 
−
|
 
 
|-
 
|-
−
|[[Helm of brilliance]]
+
| [[Helm of brilliance]] || 50 || 50 || 1 || [[iron]] || ''(randomized)'' || [[Enchantment]] adds to [[Intelligence|Int]] and [[Wisdom|Wis]]. No penalty to [[spellcasting]].
−
|50
 
−
|50
 
−
|1
 
−
|Iron
 
−
|''(randomized)''
 
−
|Int and Wis +/− enchantment amount; doesn't hinder [[spellcasting]]
 
 
|-
 
|-
−
|[[Helm of opposite alignment]]
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| [[Helm of opposite alignment]] || 50 || 50 || 1 || [[iron]] || ''(randomized)'' || [[Autocursing]]. Changes alignment of [[hero]]. No effect on a [[monster]].
−
|50
 
−
|50
 
−
|1
 
−
|Iron
 
−
|''(randomized)''
 
−
|[[Autocurse]]s when worn; opposite [[alignment]]
 
 
|-
 
|-
−
|[[Helm of telepathy]]
+
| [[Helm of telepathy]] || 50 || 50 || 1 || [[iron]] || ''(randomized)'' || Grants [[telepathy]].
−
|50
 
−
|50
 
−
|1
 
−
|Iron
 
−
|''(randomized)''
 
−
|Grants [[telepathy]]
 
 
|-
 
|-
 
|}
 
|}
  
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The helms marked ''(randomized)'' in the chart above have their appearances randomly chosen from:
+
The helms with [[randomized appearance]]s share four descriptions: "plumed helmet", "etched helmet", "crested helmet", and "visored helmet". Helms with the appearance of "visored helmet" protect against the [[blind]]ing claw attack of [[raven]]s and the [[blinding venom]] of [[cobra]]s.{{refsrc|nethack=3.6.7|src/mondata.c|184||comment=function can_blnd}}
  
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    plumed    etched    crested    visored
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== Strategy ==
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Of these, the visored helmet is always special. It protects against the blinding attack of ravens and the venom-spitting attack of cobras.
 
  
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==Hard helms==
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Two types of helms are [[autocursing]]; even if they are noncursed, they become cursed when a [[hero]] puts them on. This makes it dangerous to wear an unidentified helm. You can use [[price identification]] to distinguish a [[dunce cap]] from a [[cornuthaum]], but three of the four helms with randomized appearances have the same cost, weight, and armor class, making it impossible to tell them apart.
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[[Metallic]] helms provide protection against falling objects and [[piercer]]s, greatly reducing the damage taken from [[falling rock trap]]s, [[iron ball]]s, non-blessed [[scrolls of earth]], and objects [[thrown]] upward by the hero. The [[helm of brilliance]] is the only item providing this benefit without increasing spell failure rates.
 
  
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Polymorphed players or monsters with horns,{{reffunc|mondata.h|num_horns}} such as ki-rin or unicorns, cannot equip{{refsrc|do_wear.c|1293}} or wear{{refsrc|polyself.c|624}} metallic helms. When you polymorph into a horned monster while wearing a soft helm, you receive the message "Your horn(s) pierce(s) through your <hat>." This does not damage or destroy your helm, though a comment in the source suggests that it someday might.{{refsrc|polyself.c|629}} There is no special message for putting on a soft helm over horns.
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In the early game, any [[metallic]] helm will protect against falling rock traps. In the later game, a greased helm protects against intelligence drain attacks; although [[genocide#Common genocides|genociding]] [[mind flayers]] and [[master mind flayers]] provides absolute protection.
 +
 
 +
For the [[ascension kit]], popular choices are:
 +
* [[helm of telepathy]] for detecting hostile monsters
 +
* [[helm of brilliance]] for spellcasting
 +
* [[elven leather helm]] for lightness and +7 maximum enchantment
 +
 
 +
For a wizard, a [[cornuthaum]] provides [[clairvoyance]] and +7 maximum enchantment.
 +
 
 +
A [[helm of opposite alignment]] has a niche use for mitigating the [[mysterious force]] on the [[ascension run]] and a more popular use for reducing the number of altars to visit on the [[Astral Plane]].
 +
 
 +
== Upcoming ==
 +
 
 +
{{upcoming|NetHack 3.7.0|The helm of brilliance now has an unidentified description of "crystal helm" and is made of [[glass]] material, which does not inhibit spellcasting. The [[helm of caution]] is a new helm that grants 1 AC and [[warning]] when worn.}}
  
 
==Variants==
 
==Variants==
−
In [[UnNetHack]] and [[SporkHack]], a helm with the [[randomized appearance|appearance]] [[tin foil hat]] blocks [[telepathy]] from all sources.
+
===SporkHack===
 +
[[SporkHack]] adds three new helms in the [[gnomish helm]], the [[helm of discovery]] and the [[helm of clarity]], as well as three new appearances: "little red hat" (always used for gnomish helms), "viking helmet" (which is randomized and has no effect), and "tinfoil hat" (which is randomized and always blocks telepathy and [[psi bolt]]s - this includes its own telepathy if it is the appearance for a helm of telepathy).
 +
 
 +
===UnNetHack===
 +
[[UnNetHack]] adds a single new helm in the [[tinfoil hat]], which is represented as its own item rather than a randomized appearance as in SporkHack.
  
 
==References==
 
==References==
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<references />
+
<references/>
−
{{nethack-343}}
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{{nethack-367}}
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[[Category:Helms]]
 
[[Category:Helms]]

Latest revision as of 06:58, 9 July 2024

English

 • 中文（中国大陆）‎

A helm is a form of armor that appears in NetHack, and is one of seven armor slots available to the hero and certain monsters.

Description

Wearing a metallic helm reduces damage from falling objects and monsters, such as:

However, metallic helms also increase spellcasting failure rates, with the exception of the helm of brilliance.

A greased helm may block the intelligence drain damage type from a mind flayer or master mind flayer.[1] A noncursed greased helm always blocks such an attack; a cursed greased helm has only a 2⁄3 chance. After blocking such an attack, the grease has a 1⁄2 chance of wearing off.

Any helm (including a cursed greased helm that fails to provide grease protection) then has a 7⁄8 chance of blocking such an attack.

Use by monsters

Any monster that can wear armor can wear a helm.[2]

An aligned priest, a high priest, or a minion will not wear a helm of opposite alignment.[3]

A monster with horns can wear only a flimsy helm.[4] If the hero or a monster is polymorphed into a form with horns, any existing non-flimsy helm will be pushed off.[5]

List of helms

Name Cost Weight AC Material Appearance Effect
Fedora 1 3 0 cloth
Dunce cap 1 4 0 cloth conical hat Autocursing. Sets Int and Wis to 6.
Cornuthaum 80 4 0 cloth conical hat MC1. Special benefits for wizards and penalties for non-wizards.
Elven leather helm 8 3 1 leather leather hat Can be enchanted to +7.
Orcish helm 10 30 1 iron iron skull cap
Dented pot 8 10 1 iron
Dwarvish iron helm 20 40 2 iron hard hat
Helmet (kabuto) 10 30 1 iron (randomized)
Helm of brilliance 50 50 1 iron (randomized) Enchantment adds to Int and Wis. No penalty to spellcasting.
Helm of opposite alignment 50 50 1 iron (randomized) Autocursing. Changes alignment of hero. No effect on a monster.
Helm of telepathy 50 50 1 iron (randomized) Grants telepathy.

The helms with randomized appearances share four descriptions: "plumed helmet", "etched helmet", "crested helmet", and "visored helmet". Helms with the appearance of "visored helmet" protect against the blinding claw attack of ravens and the blinding venom of cobras.[6]

Strategy

Two types of helms are autocursing; even if they are noncursed, they become cursed when a hero puts them on. This makes it dangerous to wear an unidentified helm. You can use price identification to distinguish a dunce cap from a cornuthaum, but three of the four helms with randomized appearances have the same cost, weight, and armor class, making it impossible to tell them apart.

In the early game, any metallic helm will protect against falling rock traps. In the later game, a greased helm protects against intelligence drain attacks; although genociding mind flayers and master mind flayers provides absolute protection.

For the ascension kit, popular choices are:

For a wizard, a cornuthaum provides clairvoyance and +7 maximum enchantment.

A helm of opposite alignment has a niche use for mitigating the mysterious force on the ascension run and a more popular use for reducing the number of altars to visit on the Astral Plane.

Upcoming

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.

The helm of brilliance now has an unidentified description of "crystal helm" and is made of glass material, which does not inhibit spellcasting. The helm of caution is a new helm that grants 1 AC and warning when worn.

Variants

SporkHack

SporkHack adds three new helms in the gnomish helm, the helm of discovery and the helm of clarity, as well as three new appearances: "little red hat" (always used for gnomish helms), "viking helmet" (which is randomized and has no effect), and "tinfoil hat" (which is randomized and always blocks telepathy and psi bolts - this includes its own telepathy if it is the appearance for a helm of telepathy).

UnNetHack

UnNetHack adds a single new helm in the tinfoil hat, which is represented as its own item rather than a randomized appearance as in SporkHack.

References

  1. ↑ src/mhitu.c in NetHack 3.6.7, line 830: function u_slip_free
  2. ↑ src/worn.c in NetHack 3.6.7, line 496
  3. ↑ src/worn.c in NetHack 3.6.7, line 554
  4. ↑ src/worn.c in NetHack 3.6.7, line 560
  5. ↑ src/worn.c in NetHack 3.6.7, line 939
  6. ↑ src/mondata.c in NetHack 3.6.7, line 184: function can_blnd
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