Demonspawn mutations

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Version 0.20: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.

As demonspawn characters level up, they gain useful mutations due to their demonic ancestry. Demonspawn mutations are semi-random, according to the following rules. A 'facet' is a set of three levels in one mutation:

  • 90% of the time, they mutate as follows:
    • They gain one body-slot facet
    • They gain one scales facet
    • They gain two tier 2 facets
    • They gain one tier 3 facet
  • 10% of the time, they are "monstrous", and instead mutate as follows:
    • They gain three body-slot facets (claws, horns or antennae, hooves or talons)
    • They have no scales facets
    • They gain two tier 2 facets
    • They gain one tier 3 facet

Monstrous demonspawn are far more offensive-minded: they have lower AC due to their inability to wear any armour other than cloaks, shields, and body armour, but their claws make them well-suited to Unarmed Combat. Your auxiliary attacks also support close combat.

Here is a list of all possible demonspawn mutations. Note that many of these mutations can also be gained randomly. However, demonspawn mutations are unique in that they cannot be removed by any means. You can check your current mutations with shift-A.

Contents

Body-Slot Facets

Monstrous demonspawn develop 3 body-slot facets, while others gain 1.

Claws

Rank Effect Flavor
1 Bonus unarmed damage and auxiliary claw attack. Negated by gloves. You have sharp fingernails.
2 Improved unarmed damage and auxiliary claw attack. Negated by gloves. You have very sharp fingernails.
3 Superior unarmed damage and auxiliary claw attack. Prohibits gloves. You have claws for hands.

Species notes: Ghouls and felids start with rank 1, and trolls start with rank 3. Octopodes cannot gain claws.

Good mutation, Demonspawn mutation


Horns

Rank Effect Flavor
1 Auxiliary headbutt attack which may briefly stun the target. Prohibits helmets. You have a pair of small horns on your head.
2 Improved auxiliary headbutt attack. Prohibits helmets. You have a pair of horns on your head.
3 Superior auxiliary headbutt attack. Prohibits all headgear. You have a pair of large horns on your head.

Species notes: Minotaurs start with rank 2. Demonspawn can gain horns as a body slot option. Octopodes cannot gain horns.

Good mutation, Demonspawn mutation



Antennae

Rank Effect Flavor
1 Shows the location of all invisible enemies in line of sight. Detects all monsters within 3 tiles, even through walls or opaque clouds. Prohibits helmets. You have a pair of small antennae on your head.
2 Range increases to 5 tiles. Prohibits helmets. You have a pair of antennae on your head.
3 Range increases to 7 tiles. Grants see invisible. Prohibits all headgear. You have a pair of large antennae on your head.

When playing in console mode, non-submerged creatures not in line of sight are revealed as { or { glyphs, depending on whether the entity is hostile or friendly. In tile mode, they appear as a variety of icons. Mimics will be identified as soon as they enter your antennae range. Attempting to move into a submerged monster (e.g., trapdoor spiders) will halt your movement without revealing the monster.

Species:: Formicids start with rank 3. Demonspawn can gain antennae as a body slot option.

Good mutation, Demonspawn mutation


Hooves

Rank Effect Flavor
1 Auxiliary kick attack. -10 stealth when not flying or wading. Negated by boots. You have large cloven feet.
2 Improved auxiliary kick attack. -15 stealth when not flying or wading. Negated by boots. You have hoof-like feet.
3 Superior auxiliary kick attack. -20 stealth when not flying or wading. Prohibits boots. You have hooves in place of feet.

Species notes: Centaurs start with rank 3. Demonspawn can gain hooves as a body slot option. Nagas, merfolk, felids, and octopodes cannot gain hooves.

Good mutation, Demonspawn mutation



Talons

Rank Effect Flavor
1 Auxiliary kick attack. Negated by boots. You have sharp toenails.
2 Improved auxiliary kick attack. Negated by boots. You have razor-sharp toenails.
3 Superior auxiliary kick attack. Prohibits boots. You have claws for feet.

Species notes: Tengu start at rank 3. Demonspawn can gain talons as a body slot option. Nagas, merfolk, felids, and octopodes cannot gain talons.

Good mutation, Demonspawn mutation


Scales Facets

Most demonspawn develop scales; monstrous demonspawn do not. Demonspawn may still acquire scales through random mutation, but non-monstrous demonspawn can only get ranks of a scales mutation if it matches the one they would eventually develop later.

Molten Scales

Rank Effect Flavor
1 +2 AC You are partially covered in molten scales.
2 +3 AC You are mostly covered in molten scales.
3 +4 AC, rF+ You are completely covered in molten scales.

Good mutation, Demonspawn mutation


Icy Blue Scales

Rank Effect Flavor
1 +2 AC You are partially covered in icy blue scales.
2 +3 AC You are mostly covered in icy blue scales.
3 +4 AC, rC+ You are completely covered in icy blue scales.

Good mutation, Demonspawn mutation


Slimy Green Scales

Rank Effect Flavor
1 +2 AC You are partially covered in slimy green scales.
2 +3 AC You are mostly covered in slimy green scales.
3 +4 AC, rPois You are completely covered in slimy green scales.

Good mutation, Demonspawn mutation


Thin Metallic Scales

Rank Effect Flavor
1 +2 AC You are partially covered in thin metallic scales.
2 +3 AC You are mostly covered in thin metallic scales.
3 +4 AC, rElec You are completely covered in thin metallic scales.

Good mutation, Demonspawn mutation


Yellow Scales

Rank Effect Flavor
1 +2 AC You are partially covered in yellow scales.
2 +3 AC You are mostly covered in yellow scales.
3 +4 AC, rAcid+ You are completely covered in yellow scales.

Good mutation, Demonspawn mutation


Rugged Brown Scales

Rank Effect Flavor
1 +1 AC, +3% HP You are partially covered in rugged brown scales.
2 +2 AC, +5% HP You are mostly covered in rugged brown scales.
3 +3 AC, +7% HP You are completely covered in rugged brown scales.

Good mutation, Demonspawn mutation


Iridescent Scales

Rank Effect Flavor
1 +2 AC You are partially covered in iridescent scales.
2 +4 AC You are mostly covered in iridescent scales.
3 +6 AC You are completely covered in iridescent scales.

Good mutation, Demonspawn mutation


Large Bone Plates

Rank Effect Flavor
1 +4 SH You are partially covered in large bone plates.
2 +6 SH You are mostly covered in large bone plates.
3 +8 SH You are completely covered in large bone plates.

Good mutation, Demonspawn mutation


Repulsion Field

Rank Effect Flavor
1 +2 EV You are surrounded by a mild repulsion field.
2 +3 EV You are surrounded by a moderate repulsion field.
3 +4 EV, permanent Repel Missiles effect You are surrounded by a strong repulsion field.

Good mutation, Demonspawn mutation


Thin Skeletal Structure

Rank Effect Flavor
1 +2 DEX, +25 Stealth You have a somewhat thin skeletal structure.
2 +4 DEX, +50 Stealth You have a moderately thin skeletal structure.
3 +6 DEX, +75 Stealth You have an unnaturally thin skeletal structure.

Good mutation, Demonspawn mutation

In earlier versions of Crawl, this mutation also reduced strength by 1 per rank.

Sturdy Frame

Rank Effect Flavor
1 -2 Encumbrance from equipped armour. Your movements are slightly less encumbered by armour. (ER -2)
2 -4 Encumbrance from equipped armour. Your movements are less encumbered by armour. (ER -4)
3 -6 Encumbrance from equipped armour. Your movements are significantly less encumbered by armour. (ER -6)

This mutation allows the player to wear heavier Armour without the associated penalties to EV or Spell Success.

Good mutation, Demonspawn mutation

Sanguine Armour

Rank Effect Flavor
1 When you have 2/3 of your max health or less, gain +6 AC. When seriously injured, your bleeding wounds create armour. (AC +0).
2 The same as the previous level but +9 AC. When seriously injured, your bleeding wounds create thick armour. (AC +0).
3 The same as the previous level but +12 AC. When seriously injured, your bleeding wounds create very thick armour. (AC +0).

Good mutation, Demonspawn mutation

Tier 2 Facets

All demonspawn develop two tier 2 facets.

Ignite Blood

Rank Effect Flavor
1 Heat Resistance 1 (rF+) You are resistant to fire.
2 Flaming Cloud immunity You are immune to flaming clouds
3 Ignite Blood Your demonic aura causes spilled blood to erupt in flames.

Ignite Blood: Enemy and player blood spills create clouds of flame.

Prior to 0.15, rank 1 granted scroll conservation, and rank 2 granted rF+.

Good mutation, Demonspawn mutation


Icemail

Rank Effect Flavor
1 Cold Resistance 1 (rC+) You are resistant to cold.
2 Freezing cloud immunity You are immune to freezing clouds.
3 Icemail A meltable icy envelope protects you from harm.

Icemail: You generate a layer of ice around you, providing up to +10 AC. Melts each time you take fire damage but regenerates after 300 auts has passed.

Good mutation, Demonspawn mutation


Powered by Death

Rank Effect Flavor
1 Powered by death is triggered at a (100 - 10 * powered by death regen strength)% chance when you kill an enemy. If triggered you gain random2(mutation level + 1) powered by death regen strength, lasts for 1 + 1d4 turns per level of regen strength. Resets duration when triggered. Adds 100 * powered by death regen strength to your regeneration rate. You regenerate a little health from kills.
2 The same as the previous level but the mutation level is higher. You regenerate health from kills.
3 The same as the previous level but the mutation level is higher. You regenerate a lot of health from kills.

Every enemy you kill has a percentage chance to increase your regeneration rate by an amount, the chance decreases when the amount increases. The amount it can increase by per kill increases with the mutation level.

Good mutation, Demonspawn mutation


Mana Shield

Rank Effect Flavor
1 Permanently grants the spirit shield intrinsic. When hurt, damage is shared between your health and your magic reserves.
2 Improves your MP regeneration. You regenerate magic rapidly.
3 At low MP, converts your HP regeneration to MP regeneration. When low on magic, you restore magic in place of health.

Good mutation, Demonspawn mutation


Demonic Guardian

Rank Effect Flavor
1 Automatically summon a weak demonic ally when in danger (quasit, white imp, ufetubus, iron imp, or shadow imp). A weak demonic guardian rushes to your aid.
2 Summons average demons (orange demon, ice devil, soul eater, smoke demon, or sixfirhy). A demonic guardian rushes to your aid.
3 Summons powerful demons (executioner, balrug, reaper, cacodemon, or lorocyproca). A powerful demonic guardian rushes to your aid.

Summons occur when tension is high and end when tension drops. Higher ranks require higher tension to trigger. See Demonic Guardian page for exact mechanics.

Good mutation, Demonspawn mutation


Nightstalker

Rank Effect Flavor
1 +50 Stealth, -1 LOS You are slightly more attuned to the shadows.
2 +100 Stealth, -2 LOS You are significantly more attuned to the shadows.
3 +150 Stealth, -3 LOS You are completely attuned to the shadows.

Good mutation, Demonspawn mutation

Prior to 0.16, this mutation only gave 40 stealth per rank.


Spiny

Rank Effect Flavor
1 Monster melee attacks cause a 1d(XL + 1) retaliation. You are partially covered in sharp spines.
2 Monster melee attacks cause a 1 + 1d(XL + 1) retaliation. You are mostly covered in sharp spines.
3 Monster melee attacks cause a 2 + 1d(XL + 1) retaliation. You are completely covered in sharp spines.

Blocked attacks don't cause retaliation. For more details, see spiny.

Good mutation, Demonspawn mutation



Powered by Pain

Rank Effect Flavor
1 Each time you are injured, gain a bonus if random2(damage suffered) > 4 + (XL/4) OR if damage suffered > 50% of your max HP. You sometimes gain a little power by taking damage.
2 Increased mana gain and longer durations for might and agility bonuses. You sometimes gain power by taking damage.
3 Even higher mana gain, and even longer durations for might and agility. You are powered by pain.

Possible Bonuses
50% chance: Regain 3d(2+3*Rank) MP
25% chance: Might for 35 + random2(20*Rank) turns
25% chance: Agility for 35 + random2(20*Rank) turns

Good mutation, Demonspawn mutation


Foul Stench

Rank Effect Flavor
1 You are immune to rotting. You are immune to rotting.
2 When attacked in melee, 33% chance to give the attacker sickness, and 20% chance to release a cloud of miasma following a strong hit. You emit a foul stench.
3 Rank 2, with doubled odds of releasing miasma You radiate miasma.

Rot immunity makes you immune to cloud of Miasma effects.

Prior to 0.16, this was a 3-tier mutation. Tier 1 gave Saprovore 1, while tiers 2 and 3 resembled the current tiers 1 and 2 with the addition of rot resistance.

Good mutation, Demonspawn mutation

Tier 3 Facets

All demonspawn gain one tier 3 facet.

Hurl Hellfire

Rank Effect Flavor
1 Heat Resistance 1 (rF+) You are resistant to fire.
2 Flaming Cloud immunity You are immune to clouds of fire
3 Evoke Hellfire for 15% of max HP You can hurl blasts of hellfire.

Damage is far greater than monster hellfire: at XL27 it does 6d28 damage, compared to 3d15 or 3d20 for monsters. Ignores AC and fire resistance, but not hellfire resistance.

Prior to 0.15, rank 1 granted scroll conservation, and rank 2 granted rF+.

Good mutation, Demonspawn mutation


Passive Freeze

Rank Effect Flavor
1 Cold Resistance 1 (rC+) You are resistant to cold.
2 Freezing Cloud immunity You are immune to freezing clouds.
3 Passively Freeze any monster that hits in melee A frigid envelope surrounds you and freezes all who hurt you.

Prior to 0.15, Rank 1 granted potion conservation, and rank 2 granted rC+.

Good mutation, Demonspawn mutation


Robust

Rank Effect Flavor
1 +10% max HP You are robust.
2 +20% max HP You are very robust.
3 +30% max HP You are extremely robust.

Good mutation, Demonspawn mutation


Negative Energy Resistance

Rank Effect Flavor
1 rN+ You resist negative energy.
2 50% chance to negate torment You are somewhat able to resist unholy torments (1 in 2 success).
3 Black Mark Your melee attacks sometimes drain vitality from your foes.

Good mutation, Demonspawn mutation


Augmentation

Rank Effect Flavor
1 Slaying bonus at high HP. Your magical and physical power is slightly enhanced at high health.
2 Improved slaying bonus at high HP. Your magical and physical power is enhanced at high health.
3 Superior slaying bonus at high HP. Your magical and physical power is greatly enhanced at high health.

Bonus = 0, ceiling(mutlevel*(2*hp - maxhp)/maxhp))*(0.4*spell power + 3 slaying). You become more powerful with higher % HP.

Prior to 0.20, the slaying bonus was 4 per rank.

Good mutation, Demonspawn mutation


History

Prior to 0.19, Powered by Death gave regen from nearby corpses, regen is now given from kills.

Sanguine Armour was added in 0.19.

Sturdy Frame was added in 0.18.

Rough Black Scales were removed in 0.18.

Prior to 0.14, the negative energy facet granted a second level of rN, instead of the Black Mark passive ability.

Prior to 0.13, Demonic Guardian would function for Okawaru worshipers, often resulting in massive piety losses. Hellfire cost 25% of max HP instead of 15.

Mana Shield was added in 0.13.

Prior to 0.12, Augmentation kicked in at low HP instead of high HP.

Prior to 0.11, magic resistance was available as a Tier 2 facet.