Property
A property is one of several traits which the hero or a monster either has or does not have. Properties vary widely; some properties correspond to particular rings while others apply only to a few monsters. The hero can reveal many of his or her properties through enlightenment. A property is "boolean", you either have it or you do not. Thus luck and the prayer timeout are not properties in this sense; there is no hero for whom luck and prayer timeout does not apply. This page only discusses properties of the hero.
In the source code, prop.h#line8 lists most of the properties. Each property has a representative integer constant. Particularly in objects.c and artilist.h, the integer constants assign the properties granted by using certain items.
Contents
Intrinsic vs. Extrinsic
A property can be gained intrinsically by reaching a certain experience level as a certain starting race, or "from outside": by eating corpses, praying, or sitting on thrones.
A property can be gained extrinsically by wearing an object or polymorphing into a monster.
Intrinsic properties
In the below lists, a flag from monflag.h#line53 or artifact.h#line8 indicates polymorphing into a form with that flag.
| Common name of the property | Integer from prop.h#line8 | Notable sources |
|---|---|---|
| fire resistance | FIRE_RES | MR_FIRE |
| cold resistance | COLD_RES | MR_COLD |
| sleep resistance | SLEEP_RES | MR_SLEEP, Elf at level 4 |
| disintegration resistance | DISINT_RES | MR_DISINT |
| shock resistance | SHOCK_RES | MR_ELEC |
| poison resistance | POISON_RES | MR_POISON |
| sickness resistance | SICK_RES | |
| invulnerability | INVULNERABLE | |
| regeneration | REGENERATION | M1_REGEN |
| searching | SEARCHING | SPFX_SEARCH, eating ring of searching |
| see invisible | SEE_INVIS | |
| invisible | INVIS | |
| teleportation/teleportitis | TELEPORT | M1_TPORT, (sometimes) eat a leprechaun, nymph, or tengu |
| teleport control | TELEPORT_CONTROL | M1_TPORT_CNTRL, SPFX_TCTRL,
ring of teleport control, (sometimes) eat a tengu |
| polymorph | POLYMORPH | |
| polymorph control | POLYMORPH_CONTROL | eating ring of polymorph control, level 10 doppelganger in SLASH'EM |
| stealth | STEALTH | |
| aggravate monster | AGGRAVATE_MONSTER | |
| conflict | CONFLICT | |
| protection from shape changers | PROT_FROM_SHAPE_CHANGERS | |
| warning | WARNING | |
| hunger | HUNGER | ring of hunger |
| food appraisal | ||
| magical breathing | MAGICAL_BREATHING | M1_BREATHLESS, amulet of magical breathing |
| undead warning | WARN_UNDEAD | |
| sustain ability | FIXED_ABIL | |
| slow digestion | SLOW_DIGESTION | |
| warning | WARN_OF_MON | |
| jumping | JUMPING | |
| infravision | INFRAVISION | M3_INFRAVISION, |
Extrinsic properties
Properties with special timeout behavior
| Common name of the property | Integer from prop.h#line8 | Notable sources |
|---|---|---|
| stun | STUNNED | |
| monster detection | DETECT_MONSTERS | |
| confusion | CONFUSION | |
| sickness | SICK | |
| wounded legs | WOUNDED_LEGS | |
| stoning | STONED | |
| nausea/vomiting | VOMITING | |
| strangulation | STRANGLED | |
| hallucination | HALLUC | |
| fumbling | FUMBLING | |
| slippery fingers | GLIB | |
| sleep | SLEEPING | |
| invulnerability | INVULNERABLE | |
| slime | SLIMED |
Properties with special behavior
| Common name of the property | Conditions |
|---|---|
| speed (fast) | FAST |
| very fast | timeout or extrinsic FAST |
| telepathy (see monsters on level) | TELEPAT and blind or poly'd floating eye, (master) mind flayer |
| telepathy (see nearby monsters) | extrinsic TELEPAT |
| blindness | (BLINDED or wearing blindfold or towel or poly'd form without eyes) and not wearing Eyes of the Overworld |
| amphibiousness | magical breathing or poly'd amphibious form |
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