Difference between revisions of "Land mine"

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A '''land mine''' is a [[tool]] that can be carried around, and then [[apply|applied]] to produce a land mine [[trap]].
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A '''land mine''' (or '''landmine''') is a type of item that appears in ''[[NetHack]]''. It appears as a form of [[trap]] that can be disarmed, and produces a land mine [[tool]] if successful.
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{{upcoming|NetHack 3.7.0|Per {{commit|90ec36bcd64b92d0f5e927c6bbcf618457a61a67}}, land mines have their [[weight]] reduced to 200.}}
  
 
==Generation==
 
==Generation==
If you [[untrap|#untrap]] an activated land mine trap, it will turn (back) into the land mine item.
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Land mines are only randomly generated in the form of traps, which are encountered at dungeon level 6 and below.
  
Activated land mines are only randomly generated at dungeon level 6 or lower. There are also many in the treasure room in [[Fort Ludios]].
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Several land mines are placed in the treasure room of [[Fort Ludios]].
  
==Effects==
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==Description==
Trying to set a land mine while [[fumbling]], or setting a [[cursed]] landmine has a chance of detonating it instead. The chance is modified by [[Luck]]; if your Luck is maxed, the chances are very slim. Setting a land mine while [[riding]] a steed with [[skill|Unskilled]] in Riding has the same chance of failure, and an even worse chance if also fumbling or using a cursed landmine, also causing it to detonate.
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If you successfully [[untrap]] an active land mine trap, it will turn into a land mine item{{refsrc|src/trap.c|4197|nethack=3.6.7}} - failing has a chance of setting off the land mine instead. Applying a land mine while either handling a cursed one or [[fumbling]] also has a [[luck]]-modified chance of detonating it instead; Setting a land mine while [[riding]] a steed with less than Basic [[skill]] has the same chance of detonation, with an even lower chance if fumbling or applying a cursed landmine.
  
Land mines explode when triggered, which will do 1-16 damage, [[wounded legs|wound your legs]] and leave behind a pit. You may untrap a land mine from an adjacent square, and then pick it up and install it elsewhere, similar to a bear trap.
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Stepping on a [[square]] with a land mine trap will set it off. A land mine that is set off will explode and create a [[pit]] on its current square: a character caught in the explosion sustains d16 damage and [[wounded legs]], abuses [[dexterity]], and may also fall into the resulting pit; monsters can also set off land mines, but only have a {{frac|3}} chance of doing so.{{refsrc|src/trap.c|2633|nethack=3.6.7}} [[Flying]] or [[levitating]] over a land mine square will reveal the trap if it was not already visible, with a much lower chance of setting, and flying monsters have an even lower chance than normal of setting one off this way{{refsrc|src/trap.c|1486|nethack=3.6.7}}{{refsrc|src/trap.c|2635|nethack=3.6.7}} - the victim will not fall into the resulting pit unless the explosion kills them. Land mines can also be set off by rolling [[boulder]]s, blasting the boulder into several [[rock]]s and scattering them.{{refsrc|src/trap.c|1896|nethack=3.6.7}}
  
[[Monsters]] have only a 1 in 3 chance of setting off a land mine when they step on one.{{refsrc|trap.c|2084}}  [[Flying]] creatures are even less likely to set one off (and won't ever fall in the resulting [[pit]]), although there is still a slim chance that air currents will activate the mine.{{refsrc|trap.c|2092}}  Land mines can also be set off by rolling [[boulder]]s.
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Any items on the same square as an active land mine will be blasted around the room, or else destroyed if fragile. A land mine that is triggered adjacent to a body of water like a [[pool]] or [[moat]] will create a pit that immediately fills with water.
  
Any items on the same square as an active land mine will be blasted around the room (or destroyed, if fragile) when it goes off.
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{{upcoming|NetHack 3.7.0|Per {{commit|3086f1638643dfde1df893c6f7d1d3862ba647cc}}, shopkeepers will charge you for applying a land mine owned by the shop.}}
  
A land mine that is triggered adjacent to a body of water like a [[pool]] or [[moat]] will create a pit that immediately fills with water, likely immersing you in the process.
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==Strategy==
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Land mines are very unlikely to be used by a majority of characters, as one land mine alone weighs as much as three [[pick-axe]]s, and they primarily figure in the average game as obstacles. A character that does make use of mine traps at all is better off using multiple due to monsters being more likely to avoid them, and will have trouble obtaining and moving multiple land mines without access to Fort Ludios and a [[bag of holding]], even ignoring the significant risk of setting the mines off themselves.
  
==Strategy==
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Players that opt to use land mines with the above in mind may employ them to protect a [[stash]], or else serve as an alert system if they intend to stay a long while on the floor (e.g. while farming) - in such cases, it may be wise to bait each of the target squares with a spare item beforehand in order to lure hostile victims.
Be careful, as you can set off your own land mines if you move on to that [[square]] or fail to untrap them. Ensure your land mine isn't cursed, you aren't fumbling, and you aren't riding.
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==History==
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The land mine first appears as a trap in [[NetHack 2.3e]], and the corresponding object first appears in [[NetHack 3.2.0]].
  
Since some monsters tend to pick up items left lying around, you might be able to lure victims on to your land mines with bait that appeals to them.
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==Origin==
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{{wikipedia}}
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A land mine or landmine is an explosive weapon concealed under or camouflaged on the ground - it is designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it. Such a device is typically detonated automatically by way of pressure when a target steps on it or drives over it, although other detonation mechanisms are sometimes used. A land mine may cause damage by direct blast effect and/or fragments that are thrown by the blast, or by both. A minefield consists of an area with land mines laid throughout.
  
===Mine fields===
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Due to a mass majority of land mine casualties and injuries being civilians and children, a global movement to prohibit their use led to the 1997 [[Wikipedia:Ottawa Treaty|Ottawa Treaty]], which to date is signed by 164 nations.
Because monsters can often get past them, placing a single land mine is usually not that effective.  However, you can set several mines to make a mine field, which might be handy for dealing with certain [[special room]]s filled with monsters.  You could also use a mine field to protect the area around a [[stash]]. It can also be used as a warning system to alert you to the presence of monsters: ''"Kaablamm!  You hear an explosion in the distance!"''
 
  
 
==Messages==
 
==Messages==
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{{message|KAABLAMM!!! The rolling boulder triggers a land mine.|A [[rolling boulder trap]] rolled over and detonated a land mine.}}
 
{{message|KAABLAMM!!! The rolling boulder triggers a land mine.|A [[rolling boulder trap]] rolled over and detonated a land mine.}}
  
==SLASH'EM==
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==Variants==
In SLASH'EM, you can also recover a few more from [[Special_level_(SLASH'EM)#Grund's_Stronghold | Grund's Stronghold]], assuming the monsters there don't set them off.
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===SLASH'EM===
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In [[SLASH'EM]], land mines are also generated in [[Grund's Stronghold]].
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===SporkHack===
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In [[SporkHack]], successfully untrapping a land mine trap may generate a [[two-handed sword]] instead of a land mine item - this is a dual [[pun]] on [[Wikipedia:Claymore|claymore swords]] and [[Wikipedia:Claymore|claymore mines]].
  
 
==References==
 
==References==
 
<references/>
 
<references/>
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{{nethack-367}}
 
[[Category:Tools]]
 
[[Category:Tools]]
 
[[Category:Traps]]
 
[[Category:Traps]]
{{nethack-343}}
 

Latest revision as of 18:26, 22 April 2024

^ land mine Land mine.png
Generates level 6+, Fort Ludios
Effect Explodes, creates pit, wounds legs
( Landmine.PNG
Name land mine
Appearance land mine
Base price 180 zm
Weight 300
Material iron
Monster use Will not be used by monsters.

A land mine (or landmine) is a type of item that appears in NetHack. It appears as a form of trap that can be disarmed, and produces a land mine tool if successful.

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.

Per commit 90ec36bc, land mines have their weight reduced to 200.

Generation

Land mines are only randomly generated in the form of traps, which are encountered at dungeon level 6 and below.

Several land mines are placed in the treasure room of Fort Ludios.

Description

If you successfully untrap an active land mine trap, it will turn into a land mine item[1] - failing has a chance of setting off the land mine instead. Applying a land mine while either handling a cursed one or fumbling also has a luck-modified chance of detonating it instead; Setting a land mine while riding a steed with less than Basic skill has the same chance of detonation, with an even lower chance if fumbling or applying a cursed landmine.

Stepping on a square with a land mine trap will set it off. A land mine that is set off will explode and create a pit on its current square: a character caught in the explosion sustains d16 damage and wounded legs, abuses dexterity, and may also fall into the resulting pit; monsters can also set off land mines, but only have a 13 chance of doing so.[2] Flying or levitating over a land mine square will reveal the trap if it was not already visible, with a much lower chance of setting, and flying monsters have an even lower chance than normal of setting one off this way[3][4] - the victim will not fall into the resulting pit unless the explosion kills them. Land mines can also be set off by rolling boulders, blasting the boulder into several rocks and scattering them.[5]

Any items on the same square as an active land mine will be blasted around the room, or else destroyed if fragile. A land mine that is triggered adjacent to a body of water like a pool or moat will create a pit that immediately fills with water.

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.

Per commit 3086f163, shopkeepers will charge you for applying a land mine owned by the shop.

Strategy

Land mines are very unlikely to be used by a majority of characters, as one land mine alone weighs as much as three pick-axes, and they primarily figure in the average game as obstacles. A character that does make use of mine traps at all is better off using multiple due to monsters being more likely to avoid them, and will have trouble obtaining and moving multiple land mines without access to Fort Ludios and a bag of holding, even ignoring the significant risk of setting the mines off themselves.

Players that opt to use land mines with the above in mind may employ them to protect a stash, or else serve as an alert system if they intend to stay a long while on the floor (e.g. while farming) - in such cases, it may be wise to bait each of the target squares with a spare item beforehand in order to lure hostile victims.

History

The land mine first appears as a trap in NetHack 2.3e, and the corresponding object first appears in NetHack 3.2.0.

Origin

A land mine or landmine is an explosive weapon concealed under or camouflaged on the ground - it is designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it. Such a device is typically detonated automatically by way of pressure when a target steps on it or drives over it, although other detonation mechanisms are sometimes used. A land mine may cause damage by direct blast effect and/or fragments that are thrown by the blast, or by both. A minefield consists of an area with land mines laid throughout.

Due to a mass majority of land mine casualties and injuries being civilians and children, a global movement to prohibit their use led to the 1997 Ottawa Treaty, which to date is signed by 164 nations.

Messages

KAABLAMM!!! You triggered a land mine!
A land mine beneath you detonated.
KAABLAMM!!! <monster> triggers a land mine!
A monster set off a land mine.
Kaablamm! You hear an explosion in the distance!
An unseen monster set off a land mine.
You discover a trigger in a pile of soil below you.
You are levitating or flying over a land mine. The trap becomes identified.
KAABLAMM!!! The air currents set it off!
You are levitating or flying over a land mine, but it detonated anyway.
KAABLAMM!!! The rolling boulder triggers a land mine.
A rolling boulder trap rolled over and detonated a land mine.

Variants

SLASH'EM

In SLASH'EM, land mines are also generated in Grund's Stronghold.

SporkHack

In SporkHack, successfully untrapping a land mine trap may generate a two-handed sword instead of a land mine item - this is a dual pun on claymore swords and claymore mines.

References