Demonspawn mutations

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Version 0.13: This article may not be up to date for the latest stable release of Crawl.

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 facet
    • They gain one tier 3 facets
  • 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.

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.

Beneficial, Demonspawn Body-Slot Facet


Horns

Rank Effect Flavor
1 Auxiliary headbutt attack. Prohibits helmet. You have a pair of small horns on your head.
2 Improved auxiliary headbutt attack. Prohibits helmet. You have a pair of horns on your head.
3 Superior auxiliary headbutt attack. Prohibits headgear. You have a pair of large horns on your head.

Beneficial, Demonspawn Body-Slot Facet


Antennae

Rank Effect Flavor
1 Detect monsters within 3 tiles. Prohibits helmet. You have a pair of small antennae on your head.
2 Detect monsters within 5 tiles. Prohibits helmet. You have a pair of antennae on your head.
3 Detect monsters within 7 tiles. See invisible. Prohibits headgear. You have a pair of large antennae on your head.

Beneficial, Demonspawn Body-Slot Facet


Hooves

Rank Effect Flavor
1 Auxiliary kick attack. Negated by boots. You have large cloven feet.
2 Improved auxiliary kick attack. Negated by boots. You have hoof-like feet.
3 Superior auxiliary kick attack. Prohibits boots. You have hooves in place of feet.

Beneficial, Demonspawn Body-Slot Facet


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.

Beneficial, Demonspawn Body-Slot Facet

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 +1 AC You are partially covered in molten scales.
2 +3 AC, -1 EV You are mostly covered in molten scales.
3 +4 AC, -1 EV rF+ You are completely covered in molten scales.

Beneficial, Demonspawn Scales Facet


Icy Blue Scales

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

Beneficial, Demonspawn Scales Facet


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.

Beneficial, Demonspawn Scales Facet


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.

Beneficial, Demonspawn Scales Facet


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.

Beneficial, Demonspawn Scales Facet


Rough Black Scales

Rank Effect Flavor
1 +4 AC, -1 DEX You are partially covered in rough black scales.
2 +7 AC, -2 DEX You are mostly covered in rough black scales.
3 +10 AC, -3 DEX You are completely covered in rough black scales.

Beneficial, Demonspawn Scales Facet


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.

Beneficial, Demonspawn Scales Facet


Iridescent Scales

Rank Effect Flavor
1 +4 AC You are partially covered in iridescent scales.
2 +6 AC You are mostly covered in iridescent scales.
3 +8 AC, rAcid+ You are completely covered in iridescent scales.

Beneficial, Demonspawn Scales Facet


Large Bone Plates

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

Beneficial, Demonspawn Scales Facet


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, Repel Missiles You are surrounded by a strong repulsion field.

Beneficial, Demonspawn Scales Facet


Thin Skeletal Structure

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

Beneficial, Demonspawn Scales Facet

Tier 2 Facets

All demonspawn develop two tier 2 facets.

Ignite Blood

Rank Effect Flavor
1 Scroll conservation You are very good at protecting items from fire.
2 rF+ You are resistant to fire.
3 Ignite Blood. Your demonic aura causes spilled blood to erupt in flames.

Ignite Blood: enemy blood spills create clouds of flame

Beneficial, Demonspawn Tier 2 Facets


Icemail

Rank Effect Flavor
1 rC+ You are resistant to cold.
2 Potion conservation You are very good at protecting items from cold.
3 Icemail. A meltable icy envelope protects you from harm and freezing clouds.

Icemail: +10 AC rechargeable armor that grants total protection from freezing clouds. Melts to any fire damage or Fire Magic casting.

Beneficial, Demonspawn Tier 2 Facets


Powered by Death

Rank Effect Flavor
1 Regeneration rate * 100 / corpse within 3 tiles. Duration 8 + 2d8 turns. You can steal the life force of nearby defeated enemies.
2 Regeneration rate * 100 / corpse within 6 tiles. Duration 16 + 2d8 turns. You steal the life force of defeated enemies.
3 Regeneration rate * 100 / corpse within 9 tiles. Duration 24 + 2d8 turns. You quickly steal the life force of defeated enemies.

Triggers whenever you kill something that leaves a corpse. Corpses in radius rot faster.

Beneficial, Demonspawn Tier 2 Facets


Mana Shield

Rank Effect Flavor
1 Spirit shield When hurt, damage is shared between your health and your magic reserves.
2 Higher MP regen. You regenerate magic rapidly.
3 At low MP, HP regen turns to MP regen. When low on magic, you restore magic in place of health.

Beneficial, Demonspawn Tier 2 Facets


Demonic Guardian

Rank Effect Flavor
1 Summon white imp, lemure, ufetubus, or iron imp. A weak demonic guardian rushes to your aid.
2 Summon orange demon, hellwing, or smoke demon. A demonic guardian rushes to your aid.
3 Summon executioner or balrug. A powerful demonic guardian rushes to your aid.

Summons occur when tension is high and end when tension drops. Higher ranks require higher tension. Summons will not occur while worshiping Okawaru.

Beneficial, Demonspawn Tier 2 Facets


Nightstalker

Rank Effect Flavor
1 +40 Stealth, -1 LOS You are slightly more attuned to the shadows.
2 +80 Stealth, -2 LOS You are significantly more attuned to the shadows.
3 +120 Stealth, -3 LOS You are completely attuned to the shadows.

Beneficial, Demonspawn Tier 2 Facets


Spiny

Rank Effect Flavor
1 Monster melee attacks cause a (1d6 - Player EVP) retaliation. You are partially covered in sharp spines.
2 Monster melee attacks cause a (2d6 - Player EVP) retaliation. You are mostly covered in sharp spines.
3 Monster melee attacks cause a (3d6 - Player EVP) retaliation. You are completely covered in sharp spines.

Blocked attacks don't cause retaliation. Retaliation is subject to monster EV and AC.

Beneficial, Demonspawn Tier 2 Facets


Powered by Pain

Rank Effect Flavor
1 Bonus if random2(dmg) > 5 OR dmg > 50% HP. You sometimes gain a little power by taking damage.
2 Bonus if random2(dmg) > 8 OR dmg > 50% HP. You sometimes gain power by taking damage.
3 Bonus if random2(dmg) > 11 OR dmg > 50% HP. You are powered by pain.

Bonus: 50% chance to regain 3d(2+3*Rank) MP; 25% chance Might effect; 25% chance Agility effect.

Beneficial, Demonspawn Tier 2 Facets


Foul Stench

Rank Effect Flavor
1 Saprovore level 1 You can tolerate rotten meat.
2 rRot. 33% chance to cause sickness. 20% chance of miasma. You emit a foul stench, and are resistant to rotting and decay.
3 rRot. 66% chance to cause sickness. 40% chance of miasma. You radiate miasma, and are resistant to rotting and decay.

Miasma has a chance to spawn on a monster whenever they land a strong hit.

Beneficial, Demonspawn Tier 2 Facets

Tier 3 Facets

All demonspawn gain one tier 3 facet.

Hurl Hellfire

Actually consists of three seperate mutations grouped together, the first two of which are indistinguishable from the tier 2 mutation:
Rank 1: Grants conservation for scrolls. Rank 2: Heat Resistance 1. Rank 3. Lets you hurl Hellfire as an ability, but it costs 15% of your max HP. Damage is far greater than monster hellfire: it depends on XL, but at XL27 it does 6d28 damage, as compared to 3d15 or 3d20 for monsters. Like monster hellfire, it ignores AC and fire resistance, but not hellfire resistance.

1. You are very good at protecting items from fire.
2. You are resistant to fire.
3. You can hurl blasts of hellfire.

Passive Freeze

Actually consists of three seperate mutations grouped together, the first two of which are indistinguishable from the tier 2 mutation:
Rank 1: Cold Resistance 1. Rank 2: Grants conservation for potions. Rank 3: You passively cast Freeze on any monster that attacks you in melee. Like the spell, this always hits.

1. You are resistant to cold.
2. You are very good at protecting items from cold.
3. A frigid envelope surrounds you and freezes all who hurt you.

Robust

Gives you +10% max HP per rank.

1. You are robust.
2. You are very robust.
3. You are extremely robust.

Negative Energy Resistance

The first two ranks grant increasing resistance to negative energy. The third rank grants Stochastic Torment Resistance (you have a 50% chance of negating damage from a torment).

1. You resist negative energy.
2. You are quite resistant to negative energy.
3. You are somewhat able to resist unholy torments (1 in 2 success).

Augmentation

Each level gives a spell enhancement and slaying bonus that kicks in at high HP. Bonuses are equal to max(0, ceiling(mutlevel*(2*hp - maxhp)/maxhp))*(0.4*spell power + 4 slaying), so you become more powerful at higher levels of HP.

1. Your magical and physical power is slightly enhanced as your life falls.
2. Your magical and physical power is enhanced as your life falls.
3. Your magical and physical power is greatly enhanced as your life falls.

History

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.