Difference between revisions of "Demogorgon"

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{{wikipedia|Demogorgon}}
 
 
{{monster
 
{{monster
 
  |name=Demogorgon
 
  |name=Demogorgon
 
  |difficulty=57
 
  |difficulty=57
  |level=50
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  |level=50 (106){{refsrc|src/makemon.c|995|version=NetHack 3.6.7|comment=For generating monsters such as demon princes above level 49, their max HP is set to (monsters.h defined level −6)*2; their level is then set their to {{frac|4}} of the result. Thus, in practice Demogorgon is level 50.}}
 
  |experience=3297
 
  |experience=3297
 
  |speed=15
 
  |speed=15
Line 11: Line 10:
 
  |frequency=Unique
 
  |frequency=Unique
 
  |genocidable=No
 
  |genocidable=No
  |attacks=[[monster spell|Spell-casting]], Sting 1d4 [[drain life (monster attack)|drain life]], Claw 1d6 [[disease]], Claw 1d6 [[disease]] ([[stun]] if first disease attack successful)
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  |attacks=[[Monster spell|spell-casting]] 8d6 ([[Monster spell#Mage spells|mage]]), Sting 1d4 [[drain life (monster attack)|drain life]], Claw 1d6 [[disease]], Claw 1d6 [[disease]] ([[stun]] if first disease attack successful)
 
  |weight=1500
 
  |weight=1500
 
  |nutr=500
 
  |nutr=500
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  |resistances=Fire, Poison
 
  |resistances=Fire, Poison
 
  |resistances conveyed=None
 
  |resistances conveyed=None
  |attributes={{attributes|Demogorgon|
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  |attributes={{attributes|Demogorgon|fly=1|seeinvis=1|nohands=1|pois=1|nopoly=1|demon=1|stalk=1|hostile=1|nasty=1|prince=1|male=1|wantsamul=1|infravisible=1|infravision=1|nocorpse=1|hell=1}}
|fly=1|seeinvis=1|nohands=1|pois=1|nopoly=1|demon=1|stalk=1|hostile=1|
 
|nasty=1|prince=1|male=1|wantsamul=1|infravisible=1|infravision=1|nocorpse=1|hell=1}}
 
 
  |reference=[[monst.c#line2546]]
 
  |reference=[[monst.c#line2546]]
 
}}
 
}}
'''Demogorgon''' is the most difficult of the [[demon prince]]s and, indeed, the most difficult [[monster]] of any sort to appear in [[NetHack]].  Fortunately, his appearance is not guaranteed and can only occur through [[demon summoning]]. He can be summoned directly by [[Orcus]], [[Juiblex]], or [[Yeenoghu]], indirectly by any demon that can summon these, or (rarely) by any spellcasting monster that casts "summon nasties" in [[Gehennom]], which includes the [[Wizard of Yendor]].
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'''Demogorgon''' is a [[demon prince]] that appears in ''[[NetHack]]''. He is the most difficult of the demon lords and princes and perhaps the most difficult [[monster]] overall to fight.
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Demogorgon possesses [[infravision]], [[see invisible]] and [[flight]], and like all demon lords and princes he is [[covetous]]. He can cast spells and has a [[drain life (monster attack)|life-draining]] sting, along with two [[disease]]-inducing claw attacks; if the first claw attack hits, the second one will instead [[stun]] you upon a successful hit.
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==Generation==
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Demogorgon is one of three demon princes not to have his own lair (the other two being [[Geryon]] and [[Dispater]]), and therefore he only appears via [[demon summoning]] or the [[summon nasties]] monster spell. He can be summoned directly by [[Orcus]], [[Juiblex]], or [[Yeenoghu]], and hence indirectly by any demon that can summon one of these demon lords; he may also be rarely generated by any spellcasting monster that casts [[summon nasties]] within [[Gehennom]], including the [[Wizard of Yendor]].
  
 
==Strategy==
 
==Strategy==
The safest approach to Demogorgon is not to meet him in the first place. As mentioned above, in vanilla NetHack, Demogorgon will not appear unless summoned, and [[Orcus]], [[Juiblex]] and [[Yeenoghu]] are the most likely creatures to do this. Therefore, when facing any of these foes, kill them as expeditiously as possible. If you get bogged down fighting lesser threats, you are giving Demogorgon an opportunity to arrive every turn.
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The 'safest' approach to Demogorgon is not to meet him in the first place: since Orcus, Juiblex and Yeenoghu are the most likely to summon Demogorgon, it is best to kill them as expeditiously as possible. If you get bogged down fighting lesser threats, you are giving Demogorgon an opportunity to arrive every turn.
  
Conversely, if you ''want'' to meet Demogorgon, perhaps as the ultimate demonstration of your demon-hunting prowess, then let Orcus spend all the time he wants bouncing death rays off your [[Silver dragon scale mail]]. Demogorgon will be along eventually.
+
Conversely, if you ''want'' to fight Demogorgon for bragging rights, your best option is to take precautions against Orcus' [[wand of death]] and let him spend all the time he wants ineffectively zapping you with it; he will resort to his spells afterward and eventually summon Demogorgon. If Yeenoghu is the one to summon Demogorgon, you may have a hard time avoiding [[confusion]] and stunning; this leaves you open to further status afflictions - including Demo's dreaded [[disease]] attack - if you try to attack or cure the afflictions.
  
The only way to survive Demogorgon is to be prepared. Just as you carry an [[escape item]] for emergencies, work out your "Demogorgon Kit" and carry it in inventory when you enter [[Gehennom]]. Be very fast and unburdened, capable of curing diseases, and be able to both attack him and (probably) escape from him. You will also need [[speed boots]] or [[haste self]], and either a [[unicorn horn]] (preferably blessed) or the [[Staff of Aesculapius]] as equipment. A safe, one-turn way of engraving [[Elbereth]] is vital (fingers in the dust are not safe) if you can engrave it without being stunned. If both of his attacks succeed he will stun you and engraving will likely fail, so a [[scroll of scare monster]] in a [[container]] is very helpful. If [[Yeenoghu]] summoned him, you may have a hard time to be neither confused nor stunned for a turn. If you managed to drop the scroll and afterwards cured your ailments, you should engrave Elbereth immediately, for the case that a random fire attack ([[hell hound]] for example) destroys it (rays that miss you are not affected by reflection). Unless you know you will stay on Elbereth only, you need [[magic resistance]]. Be aware that not even a blessed unicorn horn is perfectly reliable for curing sickness—the safest items are [[holy water]], blessed [[potion of healing|potions of healing]], [[potion of extra healing|extra healing]], or [[potion of full healing|full healing]], or the [[spellbook of cure sickness|spell]] at 0% failure rate.
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The only "surefire" way to survive Demogorgon is to be as prepared as you can. Just as you carry an [[escape item]] for emergencies, work out your "Demogorgon Kit" and carry it in your inventory when you enter Gehennom. It is preferable to be [[very fast]] and unencumbered, as Demogorgon can only be outsped by fast or very fast characters who are unburdened. The ability to cure diseases is critical, as is having a solid offense ''and'' a means of escape; a [[scroll of scare monster]] in a [[container]] is very helpful, especially since Demogorgon is liable to [[Curse items|curse your items]]. Be aware that not even a blessed [[unicorn horn]] is perfectly reliable for curing sickness — the safest items are [[holy water]], blesseds potion of {{of|potion|healing|extra healing|or=1|full healing}}, and the {{spell of|cure sickness}} spell if you can get it to a 0% failure rate.
  
You should read the entry on his [[disease]] attack and understand the implications: his first attack will leave you with between 20 and (19 + [[constitution]]) turns to live, which is a fairly comfortable margin for healing yourself, but each subsequent disease attack he lands will reduce your remaining turns of life by roughly two-thirds. There is no way to know the exact value of your "turns to live" counter if you are diseased, so you should act as if the worst case were true in every circumstance. As noted elsewhere, if you have a short, safe way to engrave Elbereth, Demogorgon will stop physically attacking (and therefore sickening) you while you remain on that square. Note however that as of version 3.6, Elbereth is no longer effective in Gehennom, and even an engraved Elbereth has a chance of eroding.
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{{upcoming|3.7.0|Monsters will not use wands against you if they discover you are immune to their effects, meaning that Orcus will stop using his wand of death if you prove sufficiently immune. Additionally, a scroll of scare monster on the ground no longer scares any [[unique]] monster.}}
  
As for how to actually kill him, there are several ways. First, you can beat him to death, but this is very slow and difficult to do. If you are not on the up stairs yourself, he will teleport there to heal when you damage him, and, if he needs to, he will use them to escape the level. He is not immune to [[stoning]] or [[disintegration]], so you can kill him in that manner; if you have any [[wish]]es left, wishing for a [[cockatrice]] corpse could be a really good idea. Kate Nepveu, author of the [http://www.steelypips.org/nethack/demogorgon_faq.html Demogorgon FAQ] reports killing Demogorgon by polymorphing into a cockatrice and allowing him to sting, but adds that this is a risky gambit and she "can't really recommend it." More reliable is polymorphing into a female cockatrice ahead of time, and laying a few eggs that you can use as petrification grenades (leave them in a container when they would hatch to prevent that). If you have a non-cursed [[scroll of earth]] and a ranged attack other than striking, you can keep him at a distance.
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===Escaping Demogorgon===
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If Demogorgon ''does'' appear and you did not plan on fighting him, it is usually best to leave the level immediately - [[teleport]] to the [[staircase]], quaff a cursed [[potion of gain level]], zap a [[wand of digging]] downwards, etc. As always, discretion is the better part of valor. Beware that Demogorgon will [[follow]] you to another level if standing next to you; you can gain the necessary distance by teleporting him, [[paralyzing]] him, being fast enough, damaging him so that he teleports, etc.
  
Finally, if you can, GET AWAY! Leave immediately and get past him. [[Teleport]] to the [[staircase]], zap a [[wand of digging]] downwards, quaff a cursed [[potion of gain level]]. Use the breathing space to reassess, re-equip, and move back in on your own terms. Discretion is the better part of valor. Demogorgon will '''follow''' you to another level if standing next to you, even if you use a mechanism (such as cursed potion of gain level) that would not be available to him. You must not be adjacent to him before attempting to escape to another level. You can do this by teleporting him, paralyzing him, being fast enough, damaging him so he teleports, etc.
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If this happens while you have the [[Amulet of Yendor]], throwing it away is something of a last resort - Demogorgon will give you a turn or two by teleporting to it to pick it up, but you are committing to fighting him at some later point if you successfully escape. You can then use the breathing space to reassess, re-equip, and move back in on your own terms.
  
===Engraving on the Up-stairs===
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{{upcoming|NetHack 3.7.0|You can no longer teleport to the stairs if Demogorgon is on the same level in Gehennom. Level teleportation, branchporting or using a cursed potion of gain level will still work.}}
Many strategies for tackling Demogorgon involve getting to an up-stairs before he can, since this is the only location Demogorgon will teleport to when he flees you to lick his wounds. If you are occupying this square, he has nowhere to teleport to, and he can't escape upstairs with you blocking the path. If you can reach the up-stairs first and permanently engrave [[Elbereth]] there, you can beat on him freely with no risk of illness (he will keep moving next to you to cast spells, but will not strike at you).  
 
  
There are, of course, several ways of doing this. If you are not on a no-teleport level, you can teleport to the stairs. If you can escape one level up without Demogorgon pursuing you (see above), you can go to the downstairs of the higher level and simply walk down. If you can get to the downstairs on the current level and wait for Demogorgon to get next to you, you can walk down to the next level and let him pursue you. Or, perhaps you can paralyze Demogorgon (with a wielded or thrown [[potion of paralysis]]) and run there before he wakes up. If your plan involves walking down stairs, there is a risk that Demogorgon, and not you, will end up standing on the actual staircase square, so you must plan for this contingency (teleport him away, for instance, or damage him so he flees upstairs and try again). Above all, pay attention to the turn counter and get well if you are diseased!
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===Fighting Demogorgon===
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Most strategies for tackling Demogorgon involve getting to the upstairs before he can; the usual strategies for stopping covetous monsters from escaping apply here. If you manage to encounter him outside of Gehennom, you can burn [[Elbereth]] to scare him off and prevent him from attacking, though you won't be able to attack him in return. You can also make use of a scroll of scare monster, which lets you attack him while standing on it and works in Gehennom. Additionally, you can keep him at a distance using a non-cursed [[scroll of earth]] and a non-[[force bolt]] ranged attack - remember that most spells are rendered impractical against him due to his extremely high [[monster magic resistance]].
  
Note that as of [[Nethack 3.6.0]], Elbereth is no longer effective in Gehennom; dropping a [[scroll of scare monster]] may substitute for this strategy.
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If you choose to engage him in melee, make sure you possess [[magic resistance]], and that your weapon is blessed and well-enchanted in order to handle Demogorgon's base −8 [[AC]] and item-cursing spells - the more time you spend trying to finish him off, the more likely he is to curse something vital or else render you ill. Demogorgon's first disease attack leaves you with between 20 and (19 + [[constitution]]) turns to live, which is a fairly comfortable margin for healing yourself: however, each subsequent disease attack will reduce your remaining turns to live by roughly {{frac|2|3}}, though they will stun you instead if both disease attacks hit in one round. There is no way to know the exact value of your turns-to-live counter if you are diseased, so you should act as if the worst case were true in every circumstance.
  
===Jousting Demogorgon===
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Demogorgon is not immune to [[stoning]] or [[disintegration]], so you can kill him via those methods - if you have any [[wish]]es left, a partly eaten [[chickatrice]] [[corpse]] may be worthwhile. One approach that is more reliable is to [[polymorph]] into a female cockatrice and lay some [[eggs]] ahead of time to use as petrification grenades.
If you are a Knight, are [[riding]], and have a lance and expert skill in it, you may be able to [[joust]] Demogorgon to death before he gets a chance to teleport to the stairs (if you're lucky you'll even be able to hit him before he sickens you). If he does get away, you can just use a unicorn horn and try again.
 
  
==SLASH'EM==
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{{upcoming|NetHack 3.7.0|Scroll of scare monster on the ground and Elbereth no longer scare unique monsters. ({{commit|dc9fe0d8bc96e006c119fa183c9c9a7c4cde2f53}})}}
In [[SLASH'EM]], Demogorgon has his own [[Demogorgon's lair (SLASH'EM)|lair]] somewhere between second and sixth level of Gehennom, as well as Juiblex, Yeenoghu and Orcus – so you will meet him, it's guaranteed. Note that Demogorgon's lair is a non-teleport level ­– don't even try to use your wand of teleportation. Demogorgon still can teleport to the staircase, and to you, as usual for a covetous monster.
 
  
Keep in mind, that the behavior of [[unicorn horn]]s has changed in [[SLASH'EM]], making them far less reliable. However [[Enchantment]] now matters a lot. You should come prepared with a highly enchanted horn to deal with the sickening attack.
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====Jousting Demogorgon====
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If you are a [[Knight]] on a [[steed]] with Expert [[skill]] in [[lance]] and high [[Luck]] to minimize odds of breakage, you may be able to [[joust]] Demogorgon to death before he gets a chance to teleport to the stairs, and may even be able to prevent his melee attacks if you're lucky. If he does get away, you can use a unicorn horn and try again.
  
==UnNetHack==
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===Other strategies===
In [[UnNetHack]] Demogorgon does NOT respect Elbereth. He sometimes appears in his own lair in Gehennom, but this is not guaranteed; the lair takes the form of a small self-contained maze surrounded by a moat of ice.
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The [http://www.steelypips.org/nethack/demogorgon_faq.html Demogorgon FAQ] written by Kate Nepveu covers a lot of relevant strategies for understanding and dealing with Demogorgon - note that it is based on [[NetHack 3.4.0]], and at least some of the information will be dated.
  
==Slash'EM Extended==
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==History==
In [[Slash'EM Extended]] Demogorgon also does NOT respect Elbereth just like in UnNetHack, and is immune to stoning, so the usual strategy of throwing a cockatrice egg won't work either. He will always be waiting in his lair in the Gehennom; all chaotic major demons can randomly summon him on other dungeon levels, though.
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Demogorgon is introduced along with the other named demons in [[NetHack 3.0.0]]. The effect of Demogorgon's second disease attack that stuns an-already deathly ill player was added in NetHack 3.4.0.
  
 
==Origin==
 
==Origin==
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{{wikipedia|Demogorgon}}
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Demogorgon is a demon lord and lesser deity in ''[[Dungeons & Dragons]]'', which in turn derived him from a powerful demon and supposed pagan god invented by Antiquity-era Christian authors. In ''Dungeons & Dragons'', Demogorgon is known as ''the'' Prince of Demons, and appears as an 18-foot (5.5m), vaguely humanoid/reptilian demon with two mandrill heads, two long reptilian necks and two tentacles for arms - his image graces the front cover of ''Monster Manual 2'' in the 4th edition. Demogorgon's cult is smaller than that of most "true" deities, but still dwarfs those of most fiends; he prefers to avoid direct involvement in conflicts, instead aiding his servants through magic.
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Each of Demogorgon's heads have its own name and personality that are constantly at war with each other, even as Demogorgon fights to maintain the title of Prince of Demons - among the other demons lords striving for the title is his deeply-hated rival Orcus, which may be ironic to ''NetHack'' players who often encounter Demogorgon through him. Demogorgon's signature abilities include life-draining stings with his whip-like tail, as well as withering diseases inflicted by his tentacles that caused living victims to rot away, and he is extremely resistant to magic. Though he has a reputation for brute strength, Demogorgon is also extremely creative and an accomplished spellcaster.
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==Variants==
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===SLASH'EM===
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In [[SLASH'EM]], Demogorgon has [[Demogorgon's lair (SLASH'EM)|his own lair]] somewhere between the second and sixth levels of Gehennom, guaranteeing that you will encounter him. Like other demon lord lairs, Demogorgon's lair is no-teleport; Demogorgon still can teleport to the staircase and to you, as covetous monsters usually do.
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[[Monk]]s can easily kill him using the [[pummel]] technique. Keep in mind that the behavior of unicorn horns is changed in SLASH'EM, making them far less reliable without [[enchantment|enchanting]] them; come prepared with a highly enchanted horn to deal with the sickening attack.
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===GruntHack===
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In [[GruntHack]], Demogorgon also has a lair that you are guaranteed to encounter; it is typically only one or two levels before the [[vibrating square]] level. Demogorgon also does not respect Elbereth.
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===UnNetHack===
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In [[UnNetHack]], Demogorgon does not respect Elbereth. He sometimes appears in his own lair in Gehennom, which takes the form of a small self-contained maze surrounded by a moat of ice; this lair is not guaranteed as in some other variants.
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===dNetHack===
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In [[dNetHack]], Demogorgon is one of the three demon princes whose lair can appear as [[User:Chris/dNetHack/Branches/Brine Flats#Demogorgon's palace|the third Abyss level]]. He will generate within the central room of his palace, surrounded by closed drawbridges and accompanied by two [[fallen angel]]s, a [[shayateen]] and a [[Nessian pit fiend]]. Demogorgon is by far the most dangerous monster in dNetHack - the first time he appears in a game, his presence is announced by a full-screen message. '''Avoid him at all costs, if at all possible.'''
  
He comes from [[Dungeons and Dragons]]. D&D in turn derived him from an invented pagan god, by Christian scholars. In both sources, he is a powerful demon.
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Demogorgon is even stronger and faster than his vanilla incarnation, with 18 speed and an effective -26 AC: his attacks include a single-target gaze that can drain levels and paralyze you, and allows him to steal items if both land; his disease attacks deal far more damage and can still stun you, and should both of them land he follows with a body armor-rending 'claw' attack; and finally, he has a pair of [[Monster spell#Mage spells|mage spell]] attacks that both use weaker dice compared to his singular one in vanilla, but are no less likely to be deadly.
  
According to D&D: He is 5.5 meters/18 feet tall and has a vaguely humanoid/reptilian body, with two mandrill (like baboons) heads, two long reptilian necks and two tentacles for arms.
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The rending claw attack heavily lowers the enchantment of body armor that it hits and will destroy them if they reach a negative enchantment equal to their combined AC + DR, unless they are [[artifact]]s - unlike other rending or flaying attacks, if you do not have body armor, Demogorgon will instead [[Instadeath|rend through you]]. The single-target ranged gaze is perfect for rooting a target in place, and Demogorgon will use it as soon as he possibly can - [[free action]] can prevent the paralysis effect, but he can still drain levels and steal items from you, likely including vital armor and cures for illness. As a result, the best defense by far is to [[blind]] yourself within one turn of him appearing: if you are caught by the paralyzing gaze, survival generally becomes a question of whether you will be torn apart by his claw attacks before you succumb to disease.
  
His image graces the front cover of 4th edition D&D's ''Monster Manual 2''.
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Despite all of the above, Demogorgon is far from invincible, and more than a few truly daring skilled players have been able to defeat him and even ascend afterward - one such strategy involves using wages of sloth.<!--Absolute Fool's Guide to Killing Demo may or may not happen, don't hold your breath tho--> Even so, this requires you to prepare and devote resources specifically for the possibility of encountering him during a given game - Demogorgon can appear unexpectedly via gating on ''another'' level, potentially rendering vital portions of your strategy less effective (or even useless!) regardless of whether you planned to fight him. Even if you blind yourself and avoid near-instantaneous death in this instance, it is still highly recommended that you get vital space from him and escape as soon as possible, e.g. with a cursed potion of gain level.
  
== Encyclopedia entry ==
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Thankfully, if Demogorgon's lair generates it is more than possible to sneak through without having to confront the Prince of Demons - this is perhaps the easiest way to deal with him in a game. Demogorgon is far from the only threat in his lair, naturally: his fortress is also home to particularly vicious monsters, including hostile casters such as [[demilich]]es, an [[Archon (dNetHack)|Archon]], and even another demon ruler in the statue-trapped [[Shaktari]]. Such monsters may not only prove difficult and even deadly on their own, but may also attract his attention (e.g., via the [[aggravate]] [[monster spell]]).
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===EvilHack===
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In [[EvilHack]], Demogorgon is one of the four third-tier demon princes whose lair can appear in Gehennom.
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His non-spellcasting attacks use one more hitdie (e.g. his life-draining sting is 2d4 instead of 1d4), and he has [[psychic resistance]] as well, but he is otherwise very similar statistically to his appearance in vanilla ''NetHack''.
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==Encyclopedia entry==
 
{{encyclopedia|
 
{{encyclopedia|
A terrible deity, whose very name was capable of producing the
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A terrible deity, whose very name was capable of producing the most horrible effects.  He is first mentioned by the 4th-century Christian writer, Lactantius, who in doing so broke with the superstition that the very reference to Demogorgon by name brought death and disaster.
most horrible effects.  He is first mentioned by the 4th-century
 
Christian writer, Lactantius, who in doing so broke with the
 
superstition that the very reference to Demogorgon by name
 
brought death and disaster.
 
 
  [ Brewer's Concise Dictionary of Phrase and Fable ]
 
  [ Brewer's Concise Dictionary of Phrase and Fable ]
  
Demogorgon, the prince of demons, wallows in filth and can
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Demogorgon, the prince of demons, wallows in filth and can spread a quickly fatal illness to his victims while rending them. He is a mighty spellcaster, and he can drain the life of mortals with a touch of his tail.
spread a quickly fatal illness to his victims while rending
 
them. He is a mighty spellcaster, and he can drain the life
 
of mortals with a touch of his tail.
 
 
}}
 
}}
  
== External link ==
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==See also==
* The excellent [http://www.steelypips.org/nethack/demogorgon_faq.html Demogorgon FAQ] by Kate Nepveu.
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* [[Orcus]]
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* [[Yeenoghu]]
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* [[Juiblex]]
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==References==
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<references/>
 
{{featured}}
 
{{featured}}
{{nethack-343|offset=1}}
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{{nethack-367|offset=1}}
 
[[Category:Unique monsters]]
 
[[Category:Unique monsters]]
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[[Category:Demon lords and princes]]

Revision as of 08:22, 23 December 2023

Demogorgon is a demon prince that appears in NetHack. He is the most difficult of the demon lords and princes and perhaps the most difficult monster overall to fight.

Demogorgon possesses infravision, see invisible and flight, and like all demon lords and princes he is covetous. He can cast spells and has a life-draining sting, along with two disease-inducing claw attacks; if the first claw attack hits, the second one will instead stun you upon a successful hit.

Generation

Demogorgon is one of three demon princes not to have his own lair (the other two being Geryon and Dispater), and therefore he only appears via demon summoning or the summon nasties monster spell. He can be summoned directly by Orcus, Juiblex, or Yeenoghu, and hence indirectly by any demon that can summon one of these demon lords; he may also be rarely generated by any spellcasting monster that casts summon nasties within Gehennom, including the Wizard of Yendor.

Strategy

The 'safest' approach to Demogorgon is not to meet him in the first place: since Orcus, Juiblex and Yeenoghu are the most likely to summon Demogorgon, it is best to kill them as expeditiously as possible. If you get bogged down fighting lesser threats, you are giving Demogorgon an opportunity to arrive every turn.

Conversely, if you want to fight Demogorgon for bragging rights, your best option is to take precautions against Orcus' wand of death and let him spend all the time he wants ineffectively zapping you with it; he will resort to his spells afterward and eventually summon Demogorgon. If Yeenoghu is the one to summon Demogorgon, you may have a hard time avoiding confusion and stunning; this leaves you open to further status afflictions - including Demo's dreaded disease attack - if you try to attack or cure the afflictions.

The only "surefire" way to survive Demogorgon is to be as prepared as you can. Just as you carry an escape item for emergencies, work out your "Demogorgon Kit" and carry it in your inventory when you enter Gehennom. It is preferable to be very fast and unencumbered, as Demogorgon can only be outsped by fast or very fast characters who are unburdened. The ability to cure diseases is critical, as is having a solid offense and a means of escape; a scroll of scare monster in a container is very helpful, especially since Demogorgon is liable to curse your items. Be aware that not even a blessed unicorn horn is perfectly reliable for curing sickness — the safest items are holy water, blesseds potion of healing, extra healing, or full healing, and the cure sickness spell if you can get it to a 0% failure rate.

The following information pertains to an upcoming version (3.7.0). If this version is now released, please verify that it is still accurate, then update the page to incorporate this information.

Monsters will not use wands against you if they discover you are immune to their effects, meaning that Orcus will stop using his wand of death if you prove sufficiently immune. Additionally, a scroll of scare monster on the ground no longer scares any unique monster.

Escaping Demogorgon

If Demogorgon does appear and you did not plan on fighting him, it is usually best to leave the level immediately - teleport to the staircase, quaff a cursed potion of gain level, zap a wand of digging downwards, etc. As always, discretion is the better part of valor. Beware that Demogorgon will follow you to another level if standing next to you; you can gain the necessary distance by teleporting him, paralyzing him, being fast enough, damaging him so that he teleports, etc.

If this happens while you have the Amulet of Yendor, throwing it away is something of a last resort - Demogorgon will give you a turn or two by teleporting to it to pick it up, but you are committing to fighting him at some later point if you successfully escape. You can then use the breathing space to reassess, re-equip, and move back in on your own terms.

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.

You can no longer teleport to the stairs if Demogorgon is on the same level in Gehennom. Level teleportation, branchporting or using a cursed potion of gain level will still work.

Fighting Demogorgon

Most strategies for tackling Demogorgon involve getting to the upstairs before he can; the usual strategies for stopping covetous monsters from escaping apply here. If you manage to encounter him outside of Gehennom, you can burn Elbereth to scare him off and prevent him from attacking, though you won't be able to attack him in return. You can also make use of a scroll of scare monster, which lets you attack him while standing on it and works in Gehennom. Additionally, you can keep him at a distance using a non-cursed scroll of earth and a non-force bolt ranged attack - remember that most spells are rendered impractical against him due to his extremely high monster magic resistance.

If you choose to engage him in melee, make sure you possess magic resistance, and that your weapon is blessed and well-enchanted in order to handle Demogorgon's base −8 AC and item-cursing spells - the more time you spend trying to finish him off, the more likely he is to curse something vital or else render you ill. Demogorgon's first disease attack leaves you with between 20 and (19 + constitution) turns to live, which is a fairly comfortable margin for healing yourself: however, each subsequent disease attack will reduce your remaining turns to live by roughly 23, though they will stun you instead if both disease attacks hit in one round. There is no way to know the exact value of your turns-to-live counter if you are diseased, so you should act as if the worst case were true in every circumstance.

Demogorgon is not immune to stoning or disintegration, so you can kill him via those methods - if you have any wishes left, a partly eaten chickatrice corpse may be worthwhile. One approach that is more reliable is to polymorph into a female cockatrice and lay some eggs ahead of time to use as petrification grenades.

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.

Scroll of scare monster on the ground and Elbereth no longer scare unique monsters. (commit dc9fe0d8)

Jousting Demogorgon

If you are a Knight on a steed with Expert skill in lance and high Luck to minimize odds of breakage, you may be able to joust Demogorgon to death before he gets a chance to teleport to the stairs, and may even be able to prevent his melee attacks if you're lucky. If he does get away, you can use a unicorn horn and try again.

Other strategies

The Demogorgon FAQ written by Kate Nepveu covers a lot of relevant strategies for understanding and dealing with Demogorgon - note that it is based on NetHack 3.4.0, and at least some of the information will be dated.

History

Demogorgon is introduced along with the other named demons in NetHack 3.0.0. The effect of Demogorgon's second disease attack that stuns an-already deathly ill player was added in NetHack 3.4.0.

Origin

Demogorgon is a demon lord and lesser deity in Dungeons & Dragons, which in turn derived him from a powerful demon and supposed pagan god invented by Antiquity-era Christian authors. In Dungeons & Dragons, Demogorgon is known as the Prince of Demons, and appears as an 18-foot (5.5m), vaguely humanoid/reptilian demon with two mandrill heads, two long reptilian necks and two tentacles for arms - his image graces the front cover of Monster Manual 2 in the 4th edition. Demogorgon's cult is smaller than that of most "true" deities, but still dwarfs those of most fiends; he prefers to avoid direct involvement in conflicts, instead aiding his servants through magic.

Each of Demogorgon's heads have its own name and personality that are constantly at war with each other, even as Demogorgon fights to maintain the title of Prince of Demons - among the other demons lords striving for the title is his deeply-hated rival Orcus, which may be ironic to NetHack players who often encounter Demogorgon through him. Demogorgon's signature abilities include life-draining stings with his whip-like tail, as well as withering diseases inflicted by his tentacles that caused living victims to rot away, and he is extremely resistant to magic. Though he has a reputation for brute strength, Demogorgon is also extremely creative and an accomplished spellcaster.

Variants

SLASH'EM

In SLASH'EM, Demogorgon has his own lair somewhere between the second and sixth levels of Gehennom, guaranteeing that you will encounter him. Like other demon lord lairs, Demogorgon's lair is no-teleport; Demogorgon still can teleport to the staircase and to you, as covetous monsters usually do.

Monks can easily kill him using the pummel technique. Keep in mind that the behavior of unicorn horns is changed in SLASH'EM, making them far less reliable without enchanting them; come prepared with a highly enchanted horn to deal with the sickening attack.

GruntHack

In GruntHack, Demogorgon also has a lair that you are guaranteed to encounter; it is typically only one or two levels before the vibrating square level. Demogorgon also does not respect Elbereth.

UnNetHack

In UnNetHack, Demogorgon does not respect Elbereth. He sometimes appears in his own lair in Gehennom, which takes the form of a small self-contained maze surrounded by a moat of ice; this lair is not guaranteed as in some other variants.

dNetHack

In dNetHack, Demogorgon is one of the three demon princes whose lair can appear as the third Abyss level. He will generate within the central room of his palace, surrounded by closed drawbridges and accompanied by two fallen angels, a shayateen and a Nessian pit fiend. Demogorgon is by far the most dangerous monster in dNetHack - the first time he appears in a game, his presence is announced by a full-screen message. Avoid him at all costs, if at all possible.

Demogorgon is even stronger and faster than his vanilla incarnation, with 18 speed and an effective -26 AC: his attacks include a single-target gaze that can drain levels and paralyze you, and allows him to steal items if both land; his disease attacks deal far more damage and can still stun you, and should both of them land he follows with a body armor-rending 'claw' attack; and finally, he has a pair of mage spell attacks that both use weaker dice compared to his singular one in vanilla, but are no less likely to be deadly.

The rending claw attack heavily lowers the enchantment of body armor that it hits and will destroy them if they reach a negative enchantment equal to their combined AC + DR, unless they are artifacts - unlike other rending or flaying attacks, if you do not have body armor, Demogorgon will instead rend through you. The single-target ranged gaze is perfect for rooting a target in place, and Demogorgon will use it as soon as he possibly can - free action can prevent the paralysis effect, but he can still drain levels and steal items from you, likely including vital armor and cures for illness. As a result, the best defense by far is to blind yourself within one turn of him appearing: if you are caught by the paralyzing gaze, survival generally becomes a question of whether you will be torn apart by his claw attacks before you succumb to disease.

Despite all of the above, Demogorgon is far from invincible, and more than a few truly daring skilled players have been able to defeat him and even ascend afterward - one such strategy involves using wages of sloth. Even so, this requires you to prepare and devote resources specifically for the possibility of encountering him during a given game - Demogorgon can appear unexpectedly via gating on another level, potentially rendering vital portions of your strategy less effective (or even useless!) regardless of whether you planned to fight him. Even if you blind yourself and avoid near-instantaneous death in this instance, it is still highly recommended that you get vital space from him and escape as soon as possible, e.g. with a cursed potion of gain level.

Thankfully, if Demogorgon's lair generates it is more than possible to sneak through without having to confront the Prince of Demons - this is perhaps the easiest way to deal with him in a game. Demogorgon is far from the only threat in his lair, naturally: his fortress is also home to particularly vicious monsters, including hostile casters such as demiliches, an Archon, and even another demon ruler in the statue-trapped Shaktari. Such monsters may not only prove difficult and even deadly on their own, but may also attract his attention (e.g., via the aggravate monster spell).

EvilHack

In EvilHack, Demogorgon is one of the four third-tier demon princes whose lair can appear in Gehennom.

His non-spellcasting attacks use one more hitdie (e.g. his life-draining sting is 2d4 instead of 1d4), and he has psychic resistance as well, but he is otherwise very similar statistically to his appearance in vanilla NetHack.

Encyclopedia entry

A terrible deity, whose very name was capable of producing the most horrible effects. He is first mentioned by the 4th-century Christian writer, Lactantius, who in doing so broke with the superstition that the very reference to Demogorgon by name brought death and disaster.
  [ Brewer's Concise Dictionary of Phrase and Fable ]

Demogorgon, the prince of demons, wallows in filth and can spread a quickly fatal illness to his victims while rending them. He is a mighty spellcaster, and he can drain the life of mortals with a touch of his tail.

See also

References

  1. src/makemon.c in NetHack 3.6.7, line 995: For generating monsters such as demon princes above level 49, their max HP is set to (monsters.h defined level −6)*2; their level is then set their to 14 of the result. Thus, in practice Demogorgon is level 50.