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. The hero can expose many 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.

Properties include:

• resistances
• intrinsics
• particular abilities
• diseases
• special powers (#invoked from artifacts)

In the source code, prop.h#line8 lists most of the properties and artifact.h#line53 lists the special powers. Each property has a representative integer constant. Particularily in objects.c and artilist.h, the integer constants assign the properties granted by using certain items.

Full list

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"Please add more monflag.h flags, artifact.h flags, and notable sources to the below table!"

Property	Integer from prop.h#line8	Flag from monflag.h#line53 or artifact.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
acid resistance	ACID_RES	MR_ACID
stone resistance	STONE_RES	MR_STONE
adornment	ADORNED
regeneration	REGENERATION	M1_REGEN
searching	SEARCHING	SPFX_SEARCH
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
levitation	LEVITATION
stealth	STEALTH
aggravate monster	AGGRAVATE_MONSTER
conflict	CONFLICT
protection	PROTECTION
protection from shape changers	PROT_FROM_SHAPE_CHANGERS
warning	WARNING
telepathy	TELEPAT
speed	FAST
stun	STUNNED
confusion	CONFUSION
sickness	SICK
blindness	BLINDED
sleep	SLEEPING
wounded legs	WOUNDED_LEGS
stoning	STONED
strangulation	STRANGLED
hallucination	HALLUC
hallucination resistance	HALLUC_RES
fumbling	FUMBLING
jumping	JUMPING
water walking	WWALKING
hunger	HUNGER	-	ring of hunger
slippery fingers	GLIB
reflection	REFLECTING
life saving	LIFESAVED	-	amulet of life saving
magic resistance	ANTIMAGIC	-	cloak of magic resistance, gray dragon scale mail
displacement	DISPLACED
clairvoyance	CLAIRVOYANT	-	Wizard wearing cornuthaum
nausea/vomiting	VOMITING	-
energy regeneration	ENERGY_REGENERATION
magical breathing	MAGICAL_BREATHING	MR2_MAGBREATH	amulet of magical breathing
half spell damage	HALF_SPDAM	SPFX_HSPDAM	carry The Orb of Detection, The Platinum Yendorian Express Card, The Orb of Fate or The Eye of the Aethiopica
half physical damage	HALF_PHDAM	SPFX_HPHDAM	carry The Master Key of Thievery or The Orb of Fate
sickness resistance	SICK_RES
draining resistance	DRAIN_RES
undead warning	WARN_UNDEAD
invulnerability	INVULNERABLE
free action	FREE_ACTION
swimming	SWIMMING
slime	SLIMED
sustain ability	FIXED_ABIL
flying	FLYING	M1_FLY
unchanging	UNCHANGING
phasing	PASSES_WALLS
slow digestion	SLOW_DIGESTION
infravision	INFRAVISION	M3_INFRAVISION	play as an elf, dwarf, gnome or orc
warning	WARN_OF_MON
monster detection	DETECT_MONSTERS

Special powers

→ Special power is an invocation property. You must #invoke an artifact to use it; you do not obtain the property simply by carrying or wielding the artifact.

Property	Integer from artifact.h#line53	Source
healing	HEALING	The Staff of Aesculapius
gain energy	ENERGY_BOOST	The Mitre of Holiness
untrap	UNTRAP	The Master Key of Thievery
charging	CHARGE_OBJ	The Platinum Yendorian Express Card
level teleport	LEVEL_TELE	The Orb of Fate
branchport	CREATE_PORTAL	The Eye of the Aethiopica
enlightenment	ENLIGHTENING	The Eyes of the Overworld
arrow creation	CREATE_AMMO	The Longbow of Diana