Sources: Impact:
Access Legend: C = Mutation available only via Chaos Gods; T = Mutation available only via Toxic Waste (or similar mutation source); A = Mutation available from Chaos Gods and Toxic Waste; S = Mutation only available from a special or less common source.
MutationRarityImpactAccessGrant TextFlavour TextDetailsNotes
MUT_CHAOS_GIFTRareExcellentAYou attract the notice of a chaos deity!Chaos deities give you gifts.On every level gain you receive a chaos patron reward (same table as chaos warriors, including a 1-in-6 chance for a fresh mutation and otherwise random boons or banes).
MUT_DRACONIAN_SHIELDSpecialGoodSN/ADragon Skin: You gain +15 AC and an aura of fireReplaces your scales with dragon hide: +15 AC plus the matching fire/cold/electric aura for red, white, or blue draconians; +10 AC with a shards aura for crystal draconians; +25 AC for other castes.Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_ELEC_AURARareGoodAElectricity starts running through you!Electricity is running through your veins.Adds a permanent electric retaliation aura, dealing 2 + (1 + floor(level/10))d(2 + floor(level/10)) lightning damage to adjacent attackers and counting as an electric aura for gear interaction.
MUT_DRACONIAN_LORESpecialGoodSN/AItems automatically identify as you pick them up.Enables automatic identification of items as soon as you pick them up.Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_HUMAN_CHRSpecialBadSYou become overconfident!Overconfidence makes you sloppy.-16 melee skill, -10 shooting skill, -10 device skill, and +10% spell failure chance because of reckless overconfidence.Human racial weakness acquired automatically at level 35 (based on your prime casting stat).
MUT_EASY_TIRINGRareTerribleTYou suddenly feel out of shape.Physical combat exhausts you.Each melee or thrown attack makes a fatigue roll (1-in-(16 - current minislow)); on a failure you burn that action's energy from your mini-energy reserve or, if depleted, gain 1 stack of minislow (up to 10) which slows future turns until it regenerates away.
MUT_CULT_OF_PERSONALITYSpecialGoodSYou gain control over your enemy's summons!Summoned monsters are sometimes friendly.Whenever an enemy summons a monster in view, there is a 50% chance (25% if wearing a Danger curse) that the newcomer spawns friendly; failing a second CHA save turns that friendly monster into a pet.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_HUMAN_STRSpecialBadSYou can no longer control your own strength.The power of your strongest hits throws you off-balance.Every melee critical hit costs an extra 20% energy (the turn takes 1.2 actions) and prevents further crits for the rest of that round.Human racial weakness acquired automatically at level 35 (based on your prime casting stat).
MUT_BAD_LUCKVery RareTerribleAYou feel a strange kinship with Dennis the rodmaster!There is a black aura surrounding you.Cancels Good Luck and skews fate against you: good item rolls lose 5 points of quality ceiling and 25% of the 'great' chance, item level is cut by roughly one-sixth (staves suffer an extra level/15), special artifact drop chances lose a quarter, stat-boost potions grant +2 only 20% of the time, chaotic devices lean toward worse outcomes, and random mutation rolls treat good mutations and shedding bad ones as minimum-weight picks so they occur far less often.
MUT_GOOD_LUCKVery RareExcellentAThere is a benevolent white aura surrounding you...There is a white aura surrounding you.Cancels Bad Luck and tips fate your way: item creation gains +5 good chance and +2 great chance (with a bonus 1-in-77 extra artifact roll), treasure sensing has an extra 1-in-13 shot to notice strong items, stat-boost potions grant +2 30% of the time, chaotic devices bias toward better results, random mutation rolls treat bad mutations as minimum-weight picks and make shedding good ones much less likely.
MUT_EASY_TIRING2SpecialTerribleSYou suddenly feel incredibly tired.Using magic or ranged weapons exhausts you.Every time you cast, fire a device, or use ranged actions that check this mutation you suffer both the normal 1-in-(16 - current minislow) fatigue roll and an extra 1-in-6 roll; each failure drains the action's energy from mini-energy or adds 1 stack of minislow (up to 10).Automatically bestowed by the Fragile personality.
MUT_LOREMASTERSpecialGoodSYou feel quite knowledgeable.You are a Loremaster.Instantly identifies everything in your pack when gained and grants permanent automatic identification for every item you pick up.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_MERCHANTS_FRIENDSpecialGoodSYou feel an intense desire to shop!You are a Merchant's Friend.No gameplay state is altered; this mutation currently provides only its messages and has no coded bonuses or penalties.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_FAST_LEARNERSpecialExcellentSYou learn things quickly...You are a fast learner.Multiplies every experience award by 6/5 (+20%), and boosts direct experience effects such as Potions or GF_GAIN_EXP blasts by 5/3 before caps.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_HYPOCHONDRIARareBadTYou feel very worried about your health.You are a hypochondriac.Each game turn has a 1/1815 chance to trigger; on a trigger you either become Scared or gain the Unwell status for 50 turns (which temporarily lowers DEX and CON).
MUT_PEERLESS_TRACKERSpecialExcellentSYou feel able to track anything...You are a peerless tracker.Grants Activation 'Peerless Tracker' (level 20, cost 25 SP, base 40% fail vs WIS) that maps a 30-tile radius and simultaneously detects traps, doors, stairs, and monsters in the same radius.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_ALBINORareTerribleAYou turn into an albino! You feel frail...You are albino (-4 CON).-4 CON to base stats; gaining the mutation also strips the Resilient mutation if present.
MUT_AMBIDEXTROUSSpecialExcellentSYou feel like dual wielding.You are ambidextrous.Adds +100 to the dual-wield chance calculation (roughly the same as +15% skill) before weight adjustments when computing each hand's success percentage.
MUT_BLACK_MARKETEERSpecialGoodSYou become an agent of the black market!You are an agent of the black market.Negates the black market's pricing penalties so you no longer pay double or sell for half when trading there (virtue adjustments still apply).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_ASTRAL_GUIDESpecialGoodSYou teleport quickly!You are an astral guide (Teleport costs less energy).All player-triggered teleports that check this mutation spend only one-third of the normal energy (psionic travel costs 30 energy instead of 100) and dimension door skips the extra recovery penalty.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians). Not available to Berserkers.
MUT_XTRA_FATRareNeutralAYou become sickeningly fat!You are extremely fat (+2 CON, -2 speed).+2 CON and -2 permanent speed (applied directly to 'pspeed' and via the dec-speed flag).
MUT_FEARLESSUncommonNeutralAYou become completely fearless.You are fearless.Grants fear resistance and immediately removes the Cowardice and No Inhibitions mutations.
MUT_FLEET_OF_FOOTSpecialGoodSYou feel fleet of foot!You are fleet of foot (Movement costs less energy).Sets 'quick_walk', so each step while on foot consumes only 60% of the normal energy (40% faster walking).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_STRONG_MINDSpecialExcellentCYou feel in full control of your mind!You are immune to mana draining.Player mana becomes undrainable; you automatically pass all mana drain checks.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians). Also awarded during the Yeqrezh disciple quest.
MUT_IMPOTENCERareBadTYour magic device suddenly feels limp.You are impotent.Rods and staves suffer -10 device skill while you have this mutation (speed/hero speed/fireball/quickness activations lose another 20 skill), making them much harder to fire.
MUT_MORONICUncommonTerribleAYour brain withers away...You are moronic (-4 INT/WIS).-4 INT and -4 WIS; gaining it also removes Hyper-Intelligence and Cerebral Pultitis.
MUT_PROD_MANAVery RareNeutralAYou start producing magical energy uncontrollably.You are producing magical energy uncontrollably.Roughly once every 9000 game turns (if you are not under antimagic) you must discharge a level*2 mana ball (radius 3) in a chosen direction.
MUT_PUNYUncommonTerribleAYour muscles wither away...You are puny (-4 STR).-4 STR to base stats; gaining it also removes Hyper-Strength.
MUT_DRACONIAN_REGENSpecialGoodSN/AYou are regenerating extremely quickly.Adds +150 to your regeneration rate (normal baseline is 100), so natural HP/MP regen runs at 250% of normal.Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_REGENRareGoodAYou start regenerating.You are regenerating.Adds +100 to your regeneration rate (doubling natural HP/MP regen) and removes the Flesh Rot mutation when gained.
MUT_DRACONIAN_MAGIC_RESSpecialGoodSN/AYou are resistant to magic.Adds 15 + (level/5) to your saving throw skill.Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_MAGIC_RESRareGoodSYou become resistant to magic.You are resistant to magic.Adds 15 + (level/5) to your saving throw skill.
MUT_BERS_RAGEVery RareBadAYou become subject to fits of berserk rage!You are subject to berserker fits.Roughly once every 3000 turns you automatically cast Berserk, gaining the standard Superhero status for 10 + 1d(level) turns.
MUT_COWARDICEVery RareBadAYou become an incredible coward!You are subject to cowardice.Approximately once every 3000 turns you become Scared (unless you resist fear), interrupting your actions.
MUT_FLATULENTVery RareNeutralAYou become subject to uncontrollable flatulence.You are subject to uncontrollable flatulence.Roughly once every 3000 turns you involuntarily detonate a poison ball centered on yourself (radius 3, damage equal to your level).
MUT_HYPER_STRUncommonExcellentAYou turn into a superhuman he-man!You are superhumanly strong (+4 STR).+4 STR to base stats; gaining it also removes the Puny mutation.
MUT_VULN_ELEMVery RareTerribleAYou feel strangely exposed.You are susceptible to damage from the elements.Applies vulnerabilities to acid, electricity, fire, and cold, so you take 150% damage from those elements.
MUT_TELEKINESISRareNeutralAYou gain the ability to move objects telekinetically.You are telekinetic.Grants Activation 'Telekinesis' (level 9, cost 9 SP, 40% fail vs WIS) that fetches an object from up to level*10 squares away.
MUT_ESPRareExcellentAYou develop a telepathic ability!You are telepathic.Grants permanent telepathy (you always sense monsters flagged for telepathy).
MUT_TELEPORT_RNDVery RareBadAYour position seems very uncertain...You are teleporting randomly.If you fail a Nexus save and are not under anti-teleport, every turn has a 1/5000 chance to teleport you 40 squares away.
MUT_PURPLE_GIFTSpecialGoodCYou attract the attention of a Purple!You are the disciple of a Purple.Flags you as a Purple disciple for the deity system (used by Purple quests/spells) but grants no direct numeric bonuses by itself.Granted automatically to Purple Disciples at birth.
MUT_UNTOUCHABLESpecialGoodSYou feel untouchable!You are untouchable and gain a bonus to AC.+20 AC (applied to both displayed and real armor class).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_UNYIELDINGSpecialGoodSYou will never yield!!You are unyielding and gain extra hp.Adds level extra hit points to your maximum HP pool.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_RESILIENTRareExcellentAYou become extraordinarily resilient.You are very resilient (+4 CON).+4 CON to base stats; gaining it also removes the Albino mutation.
MUT_ATTRACT_ANIMALVery RareBadAYou start attracting animals.You attract animals.If you are not under antimagic, roughly once every 7000 turns you automatically summon an animal (1/3 chance it appears as a pet).
MUT_ATTRACT_DEMONRareBadAYou start attracting demons.You attract demons.If you are not under antimagic, roughly once every 6666 turns you automatically summon a demon (1/6 chance it is a pet).
MUT_ATTRACT_DRAGONVery RareBadAYou start attracting dragons.You attract dragons.If you are not under antimagic, roughly once every 3000 turns you automatically summon a dragon (1/5 chance it is a pet).
MUT_DRACONIAN_BREATHSpecialGoodSN/AYou breathe more powerfully.Removes the half-damage penalty on draconian breaths (and uses the full SP cost) so your racial breath weapon deals the standard damage for your subtype.Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_MIND_BLASTRareGoodAYou gain the power of Mind Blast.You can Mind Blast your enemies.Grants Activation 'Mind Blast' (level 5, cost 3 SP, 30% fail vs WIS) that fires a psi bolt for damroll(3 + floor((level-1)/5), 3) plus spell-power bonuses.
MUT_EVASIONSpecialExcellentSYou gain the power of evasion.You can avoid being crushed by earthquakes and you dodge monster breath attacks.Breath, rocket, and hurled boulder attacks deal 10% + 1d10% less damage (11–20%) and every earthquake damage roll has a 50% chance to be ignored entirely.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_BR_FIREUncommonGoodAYou gain the ability to breathe fire.You can breathe fire (dam lvl * 2).Grants Activation 'Breathe Fire' (level 20, cost floor((level+1)/2) SP, 40% fail vs CON) that breathes fire for 2*level damage in a breath cone whose radius grows with level (about 1 + level/20).
MUT_EARTHQUAKEUncommonNeutralAYou gain the ability to wreck the dungeon.You can bring down the dungeon around your ears.Grants Activation 'Earthquake' (level 12, cost 12 SP, 50% fail vs STR) that triggers an earthquake of radius 10 centered on you.
MUT_STERILITYVery RareExcellentAYou can give everything around you a headache.You can cause mass impotence.Grants Activation 'Sterility' (level 12, cost 23 SP, 70% fail vs CHR) that damages you for 17-34 HP and sets monster reproduction to zero on the current level.
MUT_GROW_MOLDVery RareGoodAYou feel a sudden affinity for mold.You can cause mold to grow near you.Grants Activation 'Grow Mold' (level 1, cost 6 SP, 60% fail vs CON) that summons 1d8 mold pets around you.
MUT_EAT_MAGICVery RareExcellentAYour magic items look delicious.You can consume magic energy for your own use.Grants Activation 'Eat Magic' (level 17, cost 1 SP, minimum fail 11%, otherwise 80% fail vs WIS) that lets you drain a magic device (power 20 + 8/5*level) to recover mana.
MUT_EAT_ROCKRareGoodAThe walls look delicious.You can consume solid rock.Grants Activation 'Eat Rock' (level 8, cost 12 SP, 40% fail vs CON) that lets you tunnel into an adjacent diggable feature, moving into the space and gaining a large chunk of nutrition.
MUT_VAMPIRISMRareGoodAYou become vampiric.You can drain life from a foe like a vampire.Grants Activation 'Vampiric Drain' (level 2, cost 1 + floor(level/3) SP, 30% fail vs CON) that drains an adjacent target for 2*level damage, healing you (and feeding you) for the damage dealt.
MUT_BERSERKUncommonExcellentAYou feel a controlled rage.You can drive yourself into a berserk frenzy.Grants Activation 'Berserk' (level 8, cost 8 SP, 50% fail vs STR) that grants the Superhero (berserk) status for 10 + 1d(level) turns.
MUT_SHRIEKUncommonGoodAYour vocal cords get much tougher.You can emit a horrible shriek.Grants Activation 'Shriek' (level 20, cost 14 SP, 40% fail vs CON) that emits a GF_SOUND ball for roughly 2*level damage (radius 8) and aggravates every monster.
MUT_ILLUMINEUncommonNeutralAYou can light up rooms with your presence.You can emit bright light.Grants Activation 'Light Area' (level 3, cost 2 SP, 30% fail vs INT) that permanently lights the surrounding area and any nearby rooms.
MUT_DAZZLEUncommonGoodAYou gain the ability to emit dazzling lights.You can emit confusing, blinding radiation.Grants Activation 'Dazzle' (level 7, cost 15 SP, 60% fail vs CHR) that stuns nearby monsters for about 5 + level/5 turns and also attempts to confuse and frighten them with power 4*level.
MUT_RADIATIONRareGoodAYou start emitting hard radiation.You can emit hard radiation at will.Grants Activation 'Emit Radiation' (level 15, cost 15 SP, 30% fail vs CON) that emits a GF_NUKE ball centered on you for 2*level damage (radius 3 + floor(level/20)).
MUT_DET_CURSERareNeutralAYou can feel evil magics.You can feel the danger of evil magic.Grants Activation 'Detect Curses' (level 7, cost 14 SP, 30% fail vs WIS) that identifies cursed items in your inventory.
MUT_WEIGH_MAGICRareNeutralAYou feel you can better understand the magic around you.You can feel the strength of the magics affecting you.Grants Activation 'Weigh Magic' (level 6, cost 6 SP, 50% fail vs INT) that calls report_magics() to show all timed magical effects on you.
MUT_COLD_TOUCHRareNeutralAYour hands get very cold.You can freeze things with a touch.Grants Activation 'Cold Touch' (level 2, cost 2 SP, 30% fail vs CON) that fires a cold bolt for 2*level damage at an adjacent target.
MUT_RESISTUncommonExcellentAYou feel like you can protect yourself.You can harden yourself to the ravages of the elements.Grants Activation 'Resist Elements' (level 25, cost 10 SP plus additional 5 SP at levels 20/30/40/50, 50% fail vs CON) that grants 20-39 turns of elemental resistances, covering floor(level/10) different elements chosen via random checks.
MUT_LAUNCHERRareNeutralAYour throwing arm feels much stronger.You can hurl objects with great force.Sets the mighty_throw flag permanently, greatly improving thrown-weapon range and damage (no SP cost).
MUT_POLYMORPHVery RareNeutralAYour body seems mutable.You can polymorph yourself at will.Grants Activation 'Polymorph' (level 18, cost 20 SP, 50% fail vs CON) that polymorphs you (same effect as the Polymorph Self spell).
MUT_PANIC_HITRareGoodAYou suddenly understand how thieves feel.You can run for your life after hitting something.Grants Activation 'Panic Hit' (level 10, cost 12 SP, 60% fail vs DEX) that strikes an adjacent foe and then teleports you up to 30 tiles unless a disarming-skill check fails.
MUT_BANISHVery RareGoodAYou feel a holy wrath fill you.You can send evil creatures directly to Hell.Grants Activation 'Banish Evil' (level 25, cost 25 SP, 70% fail vs WIS) that banishes a targeted non-unique evil monster if it fails a level check and is not quest-locked.
MUT_SMELL_MONSTERSCommonGoodAYou smell filthy monsters.You can smell nearby monsters.Grants Activation 'Smell Monsters' (level 5, cost 4 SP, 30% fail vs INT) that detects all monsters in a 30-tile radius.
MUT_SMELL_METALUncommonGoodAYou smell a metallic odor.You can smell nearby precious metal.Grants Activation 'Smell Metal' (level 3, cost 2 SP, 30% fail vs INT) that detects treasure/metal in a 30-tile radius.
MUT_SPIT_ACIDCommonGoodAYou gain the ability to spit acid.You can spit acid (dam lvl*2).Grants Activation 'Spit Acid' (level 9, cost 9 + floor(level/5) SP, 30% fail vs DEX) that spits acid for level*2 damage (bolt until level 25, then a radius-2 ball).
MUT_DRACONIAN_KINSpecialGoodSN/AYou can summon kin.Grants Activation 'Summon Kin' (level 30, cost 30 SP, 70% fail vs CHR) that uses Summon Kin to call allied dragons appropriate to your level.Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_SWAP_POSRareGoodAYou feel like walking a mile in someone else's shoes.You can switch locations with another being.Grants Activation 'Swap Position' (level 15, cost 12 SP, 40% fail vs DEX) that swaps positions with the targeted monster (respecting terrain).
MUT_TELEPORTUncommonGoodAYou gain the power of teleportation at will.You can teleport at will.Grants Activation 'Teleport' (level 7, cost 7 SP, 30% fail vs WIS) that teleports you 10 + 4*level tiles; if you also have Astral Guide the energy cost drops to 30.
MUT_BLINKUncommonGoodAYou gain the power of minor teleportation.You can teleport yourself short distances.Grants Activation 'Phase Door' (level 3, cost 3 SP, 30% fail vs WIS) that phase-doors you 10 tiles (energy 30 if you have Astral Guide).
MUT_RECALLRareGoodAYou feel briefly homesick, but it passes.You can travel between town and the depths.Grants Activation 'Recall' (level 17, cost 50 SP, 70% fail vs INT) that casts Word of Recall to shuttle between town and the dungeon.
MUT_MIDAS_TOUCHRareGoodAYou gain the Midas touch.You can turn ordinary items to gold.Grants Activation 'Alchemy' (level 10, cost 5 SP, 70% fail vs INT) that runs alchemy(), letting you transmute an item into gold pieces.
MUT_POTION_CHUGGERSpecialGoodSYou feel like chugging a six pack of healing potions.You chug potions faster than normal.Drinking a potion costs 50 energy instead of the normal 100 (before other modifiers).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_VORTEX_CONTROLSpecialGoodSYou learn to control your breathing.You control your breathing.Halves the energy cost of vortex breaths, lets you choose the breath element, and applies the reduced-damage penalties noted in the help text.Unlocked by the Vortex monster race upon reaching level 50.
MUT_WRAITHVery RareGoodAYou start to fade in and out of the physical world.You fade in and out of physical reality.About once every 3000 turns (if not antimagic) you automatically gain Wraithform for roughly level/2 to level turns.
MUT_HUMAN_WISSpecialBadSYou no longer feel any connection to evil creatures.You feel no connection to creatures of evil.Telepathic detection no longer reveals hostile evil monsters (they stay hidden unless seen by sight).Human racial weakness acquired automatically at level 35 (based on your prime casting stat).
MUT_SACRED_VITALITYSpecialGoodSYou gain the power of Sacred Vitality!You gain a bonus to all healing effects.All healing you receive is multiplied by 1.2 (20% bonus).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_DRACONIAN_RESISTANCESpecialGoodSN/AYou gain extra <element> resistance.Adds your caste's bonus resistance flag (fire, cold, electricity, acid, poison, confusion, sound, shards, or nether).Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_BEAKRareGoodAYour mouth turns into a sharp, powerful beak!You have a beak.Adds a 2d4 innate peck attack (weight 30).
MUT_ONE_WITH_MAGICSpecialExcellentSYou feel one with magic.You have a chance of resisting Dispel Magic and Antimagic.Gives a 77% (44% if mimicked or in wraithform) chance to shrug off Antimagic and Dispel Magic effects that target you.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_HALLUCINATIONVery RareBadAYou are afflicted by a hallucinatory insanity!You have a hallucinatory insanity.If you fail a chaos save roughly once in 6400 turns you gain 20–69 turns of hallucination.
MUT_WASTINGVery RareTerribleAYou suddenly contract a horrible wasting disease.You have a horrible wasting disease.About once every 3000 turns a random unsustained stat is permanently reduced by 6+1d6 unless its sustain blocks it.
MUT_SCORPION_TAILRareGoodAYou grow a scorpion tail!You have a scorpion tail.Grants a 3d7 poison innate tail attack (100% weight 50) in addition to existing attacks.
MUT_NAUSEAVery RareBadAYour stomach starts to roil nauseously.You have a seriously upset stomach.If you lack Slow Digestion, about once every 9000 turns your hunger drops to Weak and mouth-based actions are interrupted.
MUT_WAYBREAD_INTORareBadTThe idea of lembas suddenly disgusts you!You have a waybread intolerance.Grants levitation, but eating Waybread forces you to vomit (food drops to starving, 1-4 turns of paralysis, poison cleared).
MUT_TRUNKRareGoodAYour nose grows into an elephant-like trunk.You have an elephantine trunk.Adds a 1d4 innate trunk attack (weight 200) and removes Beak on gain.
MUT_XTRA_EYESUncommonNeutralAYou grow an extra pair of eyes!You have an extra pair of eyes (+15 search).+15 search (both spotting and searching skills).
MUT_XTRA_LEGSRareExcellentAYou grow an extra pair of legs!You have an extra pair of legs (+3 speed).+3 permanent speed (and grants the speed flag).
MUT_HUMAN_INTSpecialBadSYour imagination becomes overactive.You have an overactive imagination.Fear saves treat you as 10 levels lower and you gain a fear vulnerability (take 150% fear damage).Human racial weakness acquired automatically at level 35 (based on your prime casting stat).
MUT_ARCANE_MASTERYSpecialExcellentSYou gain arcane insights.You have arcane mastery.Reduces spell failure chance by 3 percentage points (after other modifiers).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_TENTACLESVery RareGoodAEvil-looking tentacles sprout from your sides.You have evil looking tentacles.Adds an extra innate attack (2d5, weight 50) with tentacles.
MUT_HORNSRareGoodAHorns pop forth into your forehead!You have horns.Adds a 2d6 innate gore attack (weight 150).
MUT_INFERNAL_DEALSpecialExcellentSYou make a pact with the devil!You have made an infernal deal.Whenever a nearby foe dies you heal 4/9 of its level in HP and regain 2/9 SP (only HP if you lack mana).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians). Not offered to Blood Mages.
MUT_DRACONIAN_METAMORPHOSISSpecialGoodSN/AYou have metamorphosed into a Dragon!Converts you to a dragon body: melee weapon and bow slots vanish but you gain six ring slots.Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_NO_INHIBITIONSRareNeutralTYou suddenly feel free to do anything.You have no inhibitions.Removes both Cowardice and Fearless permanently and grants constant fear resistance.
MUT_INFRAVISIONUncommonNeutralAYour infravision is improved.You have remarkable infravision (+3).+3 infravision range.
MUT_DRACONIAN_STRIKESpecialGoodSN/AYou have the power of Dragon Strike.Grants Activation 'Dragon Strike' (level 30, never fails) that performs a special melee strike; SP cost depends on caste (15 for red/white/blue/black/green, 20 for gold/bronze, 12 for crystal, 7 for shadow) and the blow carries the matching elemental effect.Draconian racial gift gained at level 35 when selecting a draconian power.
MUT_FANTASTIC_FRENZYSpecialExcellentSYou feel a fantastic frenzy...You have the power of Fantastic Frenzy.Stores leftover energy from kills that take under a turn and unlocks the Massacre activation (50 SP/HP) to strike all adjacent enemies.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians). Not available to Berserkers.
MUT_WINGSRareGoodAYou grow a pair of wings.You have wings.Grants permanent levitation.
MUT_XTRA_NOISEUncommonBadAYou start making strange noise!You make a lot of strange noise (-3 stealth).-3 stealth (applied to the stealth skill).
MUT_NORMALITYUncommonBadAYou feel strangely normal.You may be mutated, but you're recovering.About once every 5000 turns you automatically lose a random mutation.
MUT_WEAPON_SKILLSSpecialGoodSYou feel you may master anything...You may master any weapon.Removes class proficiency caps; every weapon and bow can be trained up to Mastery rank.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians). Not available to Skillmasters.
MUT_VORTEX_SPEEDSpecialGoodSYou start moving at tornado speed!You move at tornado speed (+8 speed).Unlocked by the Vortex monster race upon reaching level 50.
MUT_SPEED_FLUXRareBadAYou become manic-depressive.You move faster or slower randomly.About once every 6000 turns you either gain haste for 10d? turns (10–40) or get slowed/minislowed (and any active haste is cleared).
MUT_RAW_CHAOSVery RareNeutralAYou feel the universe is less stable around you.You occasionally are surrounded with raw chaos.If you are not under antimagic, about once every 8000 turns you detonate a chaos ball (radius 8, damage equal to your level) centered on yourself.
MUT_INVULNVery RareGoodAYou are blessed with fits of invulnerability.You occasionally feel invincible.If not under antimagic, about once every 5000 turns you gain invulnerability for 8–16 turns.
MUT_HUMAN_DEXSpecialBadSYou are too agile for your body.You occasionally sprain a muscle in combat.Various combat actions call sprain checks (typical odds 1/150–1/500); on a trigger you are Slowed for 50–100 turns.Human racial weakness acquired automatically at level 35 (based on your prime casting stat).
MUT_FUMBLINGVery RareBadTYour feet grow to four times their former size.You occasionally stumble and drop things.Roughly once every 10,000 turns you trip, taking up to 25 damage and possibly dropping your wielded weapon.
MUT_SHADOW_WALKVery RareBadAYou feel like reality is as thin as paper.You occasionally stumble into other shadows.About once every 12000 turns (unless antimagic) you automatically Alter Reality.
MUT_SPEED_READERSpecialGoodSYou feel like reading a long novel.You read scrolls faster than normal.Reading a scroll costs 50 energy instead of the normal 100 (before other modifiers).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_WARNINGVery RareNeutralAYou suddenly feel paranoid.You receive warnings about your foes.Roughly once per 1000 turns you get a paranoia message whose wording reflects the total level sum of nearby monsters versus your level.
MUT_DEMONIC_GRASPSpecialGoodSYou have a firm grasp on your magical devices.You resist charge draining.Enemy charge-draining attacks can no longer sap charges from your equipment.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_BANISH_ALL_RNDRareNeutralAYou feel a terrifying power lurking behind you.You sometimes cause nearby creatures to vanish.About once every 9000 turns you automatically banish nearby monsters (radius 100).
MUT_EAT_LIGHTVery RareNeutralAYou feel a strange kinship with Ungoliant.You sometimes feed off of the light around you.About every 3000 turns you drain nearby light: heal 10 HP, halve nearby non-artifact light fuel, and darken the area.
MUT_PULTITISRareTerribleTYour brain feels like porridge...You suffer from cerebral pultitis (-3 INT).-3 INT to base stats; gaining it also removes Hyper-Intelligence and Moronic.
MUT_HUMAN_CONSpecialBadSYour body is pushed to its limits.You suffer from frequent bouts of unwellness.Roughly once every 200 turns (if you are not already sick) you become Unwell for 50 turns, imposing a -4 DEX/-4 CON penalty.Human racial weakness acquired automatically at level 35 (based on your prime casting stat).
MUT_LIMPRareBadTYou start limping.You walk with a limp (-10% walking speed).Walking actions cost an extra 11% energy ('energy_use += energy_use/9').
MUT_VORTEX_MELEESpecialGoodSYou start whirling with deadly power!You whirl with deadly power.For vortex forms, your engulf attack gains +1 damage side and +25 to-hit/+25 to-damage.Unlocked by the Vortex monster race upon reaching level 50.
MUT_ILL_NORMVery RareNeutralAYou start projecting a reassuring image.Your appearance is masked with illusion.Suppresses appearance-based charisma changes so only your base CHA applies.
MUT_HP_TO_SPVery RareNeutralAYou are subject to fits of painful clarity.Your blood sometimes rushes to your head.Roughly once every 4000 turns you convert HP to SP (healing mana up to max while taking equivalent HP damage).
MUT_SP_TO_HPRareNeutralAYou are subject to fits of magical healing.Your blood sometimes rushes to your muscles.Roughly once every 2000 turns you convert your current SP to HP (healing up to your missing HP and depleting mana).
MUT_FIRE_AURARareGoodAYour body is enveloped in flames!Your body is enveloped in flames.Grants a constant fire retaliation aura and counts as an additional light source.
MUT_LIMBERUncommonGoodAYour muscles become limber.Your body is very limber (+3 DEX).+3 DEX to base stats.
MUT_ALCOHOLVery RareBadAYour body starts producing alcohol!Your body produces alcohol.Roughly once every 6400 turns you risk getting drunk: failing confusion/chaos saves causes confusion, and a 1/20 branch teleports you with possible blackout while another 1/3 branch inflicts hallucination.
MUT_HYPER_INTUncommonExcellentAYour brain evolves into a living computer!Your brain is a living computer (+4 INT/WIS).+4 INT and +4 WIS; gaining it also removes Moronic and Cerebral Pultitis.
MUT_SUBTLE_CASTINGSpecialGoodSYou feel distant monsters relax...Your distance attack spells no longer anger monsters.Damaging spells you cast no longer call the monster anger reaction that normally punishes ranged spellcasters.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_SENSITIVE_EYESRareNeutralTYour eyes suddenly feel very sensitive.Your eyes are very sensitive.+4 infravision but adds blindness vulnerability (damage and duration increase by 50%).
MUT_LASER_EYEUncommonGoodAYour eyes burn for a moment.Your eyes can fire laser beams.Grants Activation 'Laser Eye' (level 7, cost 10 SP, 50% fail vs WIS) that fires a light beam for 2*level damage.
MUT_BLANK_FACERareBadAYour face becomes completely featureless!Your face is featureless (-1 CHR).-1 CHR to base stats.
MUT_FLESH_ROTUncommonTerribleAYour flesh is afflicted by a rotting disease!Your flesh is rotting (-2 CON, -1 CHR, Slow Regen).-2 CON, -1 CHR, and you lose natural regeneration (the regen flag is stripped).
MUT_HYPN_GAZERareNeutralAYour eyes look mesmerizing...Your gaze is hypnotic.Grants Activation 'Hypnotic Gaze' (level 12, cost 12 SP, 40% fail vs CHR) that attempts to charm a targeted monster with power equal to your level (doubled if you are a vampire).
MUT_POLY_WOUNDVery RareNeutralAYou feel forces of chaos entering your old scars.Your health is subject to chaotic forces.About once every 3000 turns your wounds are polymorphed (calling the polymorph wounds effect).
MUT_ARTHRITISUncommonBadAYour joints suddenly hurt.Your joints ache constantly (-3 DEX).Reduces DEX by 3 and removes the Limber mutation when it appears.
MUT_SHORT_LEGRareTerribleAYour legs turn into short stubs!Your legs are short stubs (-3 speed).-3 permanent speed (applied directly to 'pspeed').
MUT_RANDOM_TELEPATHYRareNeutralAYour thoughts suddenly take off in strange directions.Your mind randomly expands and contracts.Each ~3000 turns toggles telepathy: if you currently have timed ESP it ends, otherwise you gain ESP for 'level' turns.
MUT_PEERLESS_SNIPERSpecialGoodSYou feel distant monsters relax...Your missiles no longer anger monsters.Missile and ranged attacks no longer trigger monster 'shoot back' anger checks (unless another source such as Stealthy Sniping applies).Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_MOTIONUncommonGoodAYou move with new assurance.Your movements are precise and forceful (FA; +1 STL).Grants Free Action and +1 stealth.
MUT_INSPIRED_SMITHINGSpecialExcellentSYou gain the ability to inspire smiths!Your presence inspires smiths.Improves reforging rolls by roughly 10%: average power increases and the min/max score thresholds are nudged upward.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_SCALESUncommonGoodAYour skin turns into black scales!Your skin has turned into scales (-1 CHR, +10 AC).+10 AC, -1 CHR; gaining it removes Steel Skin.
MUT_WARTSUncommonNeutralADisgusting warts appear everywhere on you!Your skin is covered with warts (-2 CHR, +5 AC).+10 AC and -2 CHR (warts), as applied in calc_bonuses.
MUT_STEEL_SKINRareExcellentAYour skin turns to steel!Your skin is made of steel (-1 DEX, +25 AC).+25 AC, -1 DEX, and it overrides Scales/Warts/Flesh Rot when gained.
MUT_FELL_SORCERYSpecialGoodSYou feel your magic grow more powerful.Your spells are more powerful.Adds +2 spell power (roughly +15% spell damage or healing) but inflicts -1 STR, -1 DEX, and -1 CON.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_TREAD_SOFTLYSpecialGoodSYou feel your stealth increase.Your stealth is increased.+3 stealth.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).
MUT_SILLY_VOICERareBadAYour voice turns into a ridiculous squeak!Your voice is a silly squeak (-4 CHR).-4 CHR to base stats.
MUT_WEIRD_MINDSpecialGoodCYou are no longer bothered by the Eldritch Horror!Your weird mind is unaffected by the Eldritch Horror and Hallucination.Sets the no_eldritch flag: you ignore Eldritch Horror effects and forced hallucinations.Chosen as a demigod talent (available to demigods, humans at level 20, and other demi-talent races such as barbarians).