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- Intrinsics 101
- ================
- From the Nethack Grimoires
-
- by Steve Derby (sderby@netcom.com).
-
-
- This file describes how to get the various intrinsics in Nethack and
- why you want (or don't want) them. As always, I'm interested in hearing
- clarifications and additions.
-
- Note: Except where noted below, eating corpses has only a chance of
- bestowing an intrinsic. This chance varies with the level of the
- monster's corpse (Stormbringer does not effect corpse level). Also,
- eating rings while polymorphed into a monster that can always has a 1
- in 3 chance of conferring the ring's intrinsic, but you may also
- consume food faster than usual. Not all rings can be eaten.
-
- Intrinsics can be temporary (they automatically go away after a number
- of moves), permanent (they never go away under normal circumstances),
- or controlled (you control the intrinsics, usually by wearing or
- removing magical items). The "Message" referred to for each intrinsic
- is what Nethack tells you when you've permanently gained the
- intrinsic. The message may differ if you are blind or hallucinating
- and not all intrinsics have an associated message. (Note that when
- getting an intrinsic by eating a ring, the message is always "Magic
- spreads through your body as you digest the ring.")
-
- Note that polymorphing into various monsters gives you their
- intrinsics, but only until you return to human/elven form, so I've
- omitted polymorphing as a way of getting intrinsics.
-
- Aggravate Monster
- ~~~~~~~~~~~~~~~~~
- Message: varies
- Effect: Causes all monsters on the level to come at you with a vengence.
- Generally a bad intrinsic to have.
- Obtaining:
- - Cannibalism ("You will regret that!"; permanent)
- - Eat a domestic animal: kitten, housecat, large cat, little dog, dog,
- large dog ("You have a feeling eating that <animal> was a bad idea";
- permanent)
- - Quaff a cursed potion of invisiblilty ("You feel your presence is
- known."; temporary)
- - Wear a ring of aggravate monster (controlled; they tend to be cursed)
- - Eat a ring of aggravate monster (permanent)
-
- Cause Conflict
- ~~~~~~~~~~~~~~
- Message: none
- Effect: Causes all monsters (hostile, peaceful, and tame) to attack whoever
- is nearby. Still does not allow you to safely kill peaceful monsters,
- though they will attack you.
- Obtaining:
- - Wear a ring of conflict (controlled)
- - Eat a ring of conflict (permanent; probably a bad idea)
- - #Invoke the Sceptre of Might (controlled)
-
- Clairvoyance
- ~~~~~~~~~~~~
- Message: "I bestow on thee a blessing." (when donating)
- Effect: The area around you occassionally maps itself. In the endgame,
- proximity to magic portals is sometimes revealed.
- Obtaining:
- - Offer money to priests at temples (between 200 and 400 times your level;
- temporary)
- - Carry the Amulet of Yendor (controlled)
-
- Cold resistance
- ~~~~~~~~~~~~~~~
- Message: "You feel full of hot air."
- Effect: Cold attacks (rays, defensive, covering with frost, etc.) do not
- affect you.
- Obtaining:
- - Eat "cold" monsters, such as yetis, blue jellies, winter wolves, white
- dragons, etc. (permanent)
- - Wear a ring of cold resistance (controlled)
- - Wear white dragon scale mail (controlled)
- - Eat a ring of cold resistance (permanent)
- - Become the Hand of Elbereth/Envoy of Balance/Glory of Arioch (permanent)
- - Valkyries begin with cold resistance
-
- Disintegration-resistance
- ~~~~~~~~~~~~~~~~~~~~~~~~~
- Message: "You feel very firm."
- Effect: Disintegration blasts from black dragons and angry deities do not
- harm you. Wands of death do not harm you.
- Obtaining:
- - Eat a black dragon (permanent)
- - Wear black dragon scale mail (controlled)
-
- ESP
- ~~~
- Message: none
- Effect: All monsters in the vicinity are revealed, whether they can actually
- be seen or not. Monsters posing as statues, mimics, and hiding monsters
- (e.g. rock piercers and trappers) are revealed.
- Obtaining:
- - Wear an amulet of ESP (including the Eye of Aethiopica; controlled)
- - Wear a helm of telepathy (controled)
- - Carry the Orb of Detection, the Palantir of Westernesse, the Magic
- Mirror of Merlin, or the Platinum Yendorian Express Card (controlled)
-
- Fire resistance
- ~~~~~~~~~~~~~~~
- Message: "You feel a slight chill."
- Effect: Heat attacks (rays, defensive, burning, etc.) and fire traps do not
- affect you.
- Obtaining:
- - Eat "hot" monsters such as hell hounds, red dragons, fire giants, etc.
- (permanent)
- - Wear a ring of fire resistance (controlled)
- - Eat a ring of fire resistance (permanent)
- - Wear red dragon scale mail (controlled)
- - Become the Hand of Elbereth/Envoy of Balance/Glory of Arioch (permanent)
- - Carry the Mitre of Holiness (controlled)
- - Priests gain fire resistance with time
-
- Invisibility
- ~~~~~~~~~~~~
- Message: "You feel hidden."
- Effect: You are invisible to other monsters, reducing their attack
- efficiency. Also, you cannot enter shops (at least not by way of the front
- door).
- Obtaining:
- - Wear a ring of invisibility (controlled)
- - Wear a cloak of invisiblity (controlled)
- - Eat a ring of invisibility (permanent)
- - Eat a stalker corpse while not already invisible (temporary; always
- works)
- - Eat a stalker corpse while already invisible (permanent; always works)
- - Quaff a cursed or uncursed potion of invisibility (temporary; if cursed,
- it also gives you aggravate monster)
- - Quaff a blessed potion of invisibility (temporary or permanent: your
- choice)
- - Zap yourself with a wand of invisibility (permanent)
- - Quaff from a sink (temporary; infintesmally small chance)
- - #Invoke the Orb of Detection (controlled)
-
- Jumping
- ~~~~~~~
- Message: none
- Effect: You can jump at will (using #jump).
- Obtaining:
- - Wear boots of jumping (controlled)
- - Knights begin with jumping (appropriately enough, only in an L-shape)
-
- Levitation
- ~~~~~~~~~~
- Message: "You float into the air."
- Effect: You float above the ground, avoiding any pressure-sensitive traps
- below. You cannot go down stairs or interact in any way with items on the
- ground below.
- Obtaining:
- - Wear boots of levitation (controlled; they tend to be cursed)
- - Wear a ring of levitation (controlled)
- - Eat a ring of levitation (permanent; WARNING: This is a bad thing)
- - Quaff a potion of levitation (temporary)
- - #Invoke the Heart of Ahriman (controlled)
- Note that the related intrisic "You can fly" is not included in this file
- because there is no way to obtain it, other than polymorphing into a flying
- monster. Flight gives all the benefits of levitation with none of the
- drawbacks.
-
- Luck
- ~~~~
- Note: Luck is a variable, not an intrinsic. For information on how to raise
- your luck, see the Nethack Grimoires file "raising"
-
- Good/bad luck does not time out for you: Normally, any luck you get (good
- or bad) will gradually return to 0 (-1 during the new moon, +1 during the
- full moon). Carrying a luckstone can halt this automatic regression: a
- blessed luckstone makes good luck stick, but bad luck times out; an
- uncursed luckstone makes both stick; a cursed luck stone makes bad luck
- stick, but good luck times out.
- You have extra/reduced luck: Carrying a luckstone also changes your base
- luck. A cursed luckstone reduces it while a blessed or uncursed luckstone
- increases it.
-
- Lycanthropy
- ~~~~~~~~~~~
- Message: "You feel feverish."
- Effect: Occassionally, you will turn into a werecreature of the same type
- that bit you (wererat, werejackal, or werewolf). Definately a bad thing,
- except that you can create pets with the #monster meta-command. See the
- file "trouble" for a description of how to cure lycanthropy.
- Obtaining:
- - Get bitten by a wererat, werejackal, or werewolf (permanent)
- - Eat a wererat, werejackal, or werewolf (permanent)
-
- Magic Resistance
- ~~~~~~~~~~~~~~~~
- Message: none
- Effect: Causes magic missiles to bounce harmlessly away. Anti-magic fields,
- teleportation traps, and polymorph traps have no effect.
- Obtaining:
- - Wear a cloak of magic protection (controlled)
- - Wear gray dragon scale mail (controlled)
- - Carry the Orb of Detection, the Sceptre of Might, the Magic Mirror of
- Merlin, the Platinum Yendorian Express Card, or the Eye of Aethiopica
- (controlled)
-
- Poison Resistance
- ~~~~~~~~~~~~~~~~~
- Message: "You feel healthy!"
- Effect: Eating poisonous corpses is safe. Poison attacks (e.g. killer bee
- stings) do not do extra damage or kill you outright. Poisoned darts and
- arrows do not do extra damage or kill you outright. Potions of sickness do
- not poison you. Poison resistance DOES NOT protect you from become deathly
- sick.
- Obtaining:
- - Eat a poisonous corpse (permanent; includes a vast array of monsters
- including most insects, all kobolds, and many others.)
- - Eat unicorn corpses, cave spiders, garter snakes, gelatinous cubes, or
- a few others which are NOT poisonous, but will confer poison resistance
- (permanent)
- - Wear a ring of poison resistance (controlled)
- - Eat a ring of poison resistance (permanent)
- - Wear an amulet of versus poison (controlled)
- - Wear green dragon scale mail (controlled)
- - Become the Hand of Elbereth/Envoy of Balance/Glory of Arioch (permanent)
- - Healers and barbarians begin with poison resistance
- - Tourists gain poison resistance with time
-
- Polymorph
- ~~~~~~~~~
- Message: none
- Effect: You will occassionally polymorph into something else. If you have
- polymorph control, you get to choose what. Polymorphing is always
- temporary.
- Obtaining:
- - Wear a ring of polymorph (controlled)
- - Eat a ring of polymorph (permanent)
- Note that you can also polymorph (without gaining the intrinsic) by zapping
- yourself with a wand of polymorph, quaffing from a sink (sometimes),
- stepping on a polymorph trap, or eating a chameleon corpse. Eating a mimic
- corpse will polymorph you temporarily into a pile of gold.
-
- Polymorph Control
- ~~~~~~~~~~~~~~~~~
- Message: none
- Effect: You get to choose what monster to become when polymorphed
- Obtaining:
- - Wear a ring of polymorph control (controlled)
- - Eat a ring of polymorph control (permanent)
-
- Protection
- ~~~~~~~~~~
- Message: "Thy devotion has been rewarded." (when donating)
- Effect: Lowers your armor class by the amount of protection (0-20).
- Obtaining:
- - Wear a ring of protection (controlled)
- - Eat a ring of protection (permanent)
- - Wear a cloak of protection (controlled)
- - Pray (sometimes; permanent)
- - Donate to priests in temples (between 400 and 600 times your level;
- permanent)
-
- Reflection
- ~~~~~~~~~~
- Message: none
- Effect: "Beamed" attacks and lightning will bounce harmlessly back the way
- they came.
- Obtaining:
- - Wear a shield of reflection (controlled)
- - Wear an amulet of reflection (controlled)
-
- Regeneration
- ~~~~~~~~~~~~
- Message: none
- Effect: Your hit points regenerate at a very fast rate.
- Obtaining:
- - Wear a ring of regeneration (controlled)
- - Eat a ring of regeneration (permanent; a bad idea due to the increased
- food consumption)
- - Carry The Palantir of Westernesse or the Staff of Aesculapius (controlled)
-
- Searching
- ~~~~~~~~~
- Message: "You feel perceptive!"
- Effect: Your character will automatically search for secret doors, passages,
- traps, monsters posing as statues, etc. every turn.
- Obtaining:
- - Wear a ring of searching (controlled)
- - Eat a ring of searching (permanent)
- - Wield Excalibur (controlled)
- - Elves begin with searching
- - Archeologists, Barbarians, Rogues, and Tourists gain searching with time
-
- See invisible
- ~~~~~~~~~~~~~
- Message: varies
- Effect: Invisible monsters are no longer invisible to you.
- Obtaining:
- - Quaff a potion of see invisible (temporary)
- - Quaff a blessed potion of see invisible (permanent)
- - Quaff from a fountain (sometimes; permanent; "You see an image of
- someone stalking you.")
- - Quaff from a sink (temporary; infintessmally small chance)
- - Sit on a throne (sometimes; permament; "Your vision clears.")
- - Eat a ring of see invisible (permament)
- - Eat a stalker corpse while invisible (permanent; always works)
- - Become the Hand of Elbereth/Envoy of Balance/Glory of Arioch (permanent)
- - Elves begin with see invisible
-
- Shock resistance
- ~~~~~~~~~~~~~~~~
- Message: "You health currently feels amplified!"
- Effect: Lighting and electrical attacks do not harm you.
- Obtaining:
- - Eat monsters which attack with electricity, such as blue dragons
- (permanent)
- - Eat gelatinous cubes or black puddings (permanent)
- - Wear a ring of shock resistance (controlled)
- - Eat a ring of shock resistance (permanent)
- - Wear blue dragon scale mail (controlled)
-
- Sleep resistance
- ~~~~~~~~~~~~~~~~
- Message: "You feel wide awake."
- Effect: Sleep attacks (e.g. from homunculi or wands of sleep) and sleeping
- gas traps do not affect you.
- Obtaining:
- - Eat elves (permanent)
- - Eat some acidic monsters such as acid blobs and gelatinous cubes
- (permanent)
- - Eat orange dragons (permanent)
- - Eat homunculi (permanent)
- - Wear orange dragon scale mail (controlled)
- - Elves begin with sleep resistance
-
- Speed
- ~~~~~
- Note that speed can be stolen by shades and can be removed by quantum
- mechanics.
-
- Message: "You feel yourself speed up [a bit more]."
- Effect: You become faster in movement and attacks. There are two levels of
- speed: fast and very fast. Very fast can be obtained only when wearing
- speed boots.
- Obtaining:
- - Wear speed boots (controlled)
- - Zap yourself with a wand of speed monster (permanent)
- - Quaff a potion of speed (temporary)
- - Quaff from a sink (temporary; infintessmally small chance)
- - Get hit by a Quantum Mechanic while not yet fast (sometimes; permanent;
- "Your velocity seems very uncertain.")
- - Eat a Quantum Mechanic while not yet fast (always; permanent; "Your
- velocity seems very uncertain.")
- - Archeologists, Elves, and Samauris begin with speed
- - Barbarians, Cavemen, Healers, Knights, Priests, and Valkyries gain speed
- with time
-
- Stealth
- ~~~~~~~
- Message: "You walk very quietly."
- Effect: Other monsters (including your pet) may not notice you.
- Obtaining:
- - Wear elven boots (controlled)
- - Wear a ring of stealth (controlled)
- - Eat a ring of stealth (permanent)
- - Carry the Heart of Ahriman (Barbarian quest artifact; controlled)
- - Archeologists, rogues, and valkyries begin with stealth
- - Samauris gain stealth with time
-
- Telepathy
- ~~~~~~~~~
- Note that telepathy will be lost if you kill a peaceful monster of your same
- race (elves for elves, humans otherwise).
-
- Message: "You feel a strange mental acuity."
- Effect: When blind, the location of all monsters on the level with brains are
- revealed.
- Obtaining:
- - Eat a floating eye corpse (permanent; always works)
- - Eat a mind flayer corpse (permanent)
- - Become the Hand of Elbereth/Envoy of Balance/Arioch's Glory (always;
- permanent)
- - Pray (sometimes; permanent)
-
- Teleport
- ~~~~~~~~
- Message: "You feel jumpy."
- Effect: If you don't also have teleport control, you will occassionally
- teleport to a random location on the level. If you have teleport control,
- you get to choose where.
- Obtaining:
- - Wear a ring of teleportation (controlled)
- - Eat a ring of teleportation (permanent)
- - Eat most (but not all) teleporting monster: leprechauns, all nymphs,
- tengus, the Wizard of Yendor (permanent)
-
- Teleport Control
- ~~~~~~~~~~~~~~~~
- Message: "You feel in control of yourself."
- Effect: If you also have teleport or know the teleport away spell, you can
- choose where to teleport to.
- Obtaining:
- - Wear a ring of teleport control (controlled)
- - Eat a ring of teleport control (permanent)
- - Eat tengus or the Wizard of Yendor (permanent; in the latter case it's
- cannibalism if you're not an elf)
- - Carry the Master Key of Thievery (controlled)
- - Wizards gain teleport control with time
-
- Turning to stone
- ~~~~~~~~~~~~~~~~
- Message: "You are slowing down.", "Your limbs are stiffening."
- Effect: Obvious. You turn to stone and die in 2 moves. Definately a bad
- thing. (See the file "trouble" for info on how to cure this.)
- Obtaining:
- - Tangle with a cockatrice (sometimes; permanent until death)
- - Eat a cockatrice egg (permanent until death)
- Note: eating a cockatrice corpse, Medusa's corpse, gazing on Medusa, and
- touching a cockatrice with ungloved hands cause immediate stoning.
-
- Warning
- ~~~~~~~
- Message: "You feel sensitive."
- Effect: Your character will occassionally feel aprehensive as he/she senses
- a flash of colored light. The darker the color, the more dangerous the
- monsters on the level are.
- Obtaining:
- - Wear a ring of warning (controlled)
- - Eat a ring of warning (permanent)
- - Wield Sting (controlled)
- - Carry the Master Key of Thievery or the Orb of Fate (controlled)
- - Cavemen and Wizards gain warning with time
-
- * * *
-
- Thanks to the following kind and knowledgeable individual for
- contributing to this file: John Darrow, Brandi Derby, Ali Harlow, Carl
- Muckenhoupt, Timothy Redden, Rene Stienen, Viljo Viitanen, Boudewijn
- Wayers.
-