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TALENT TREE

🧪 Mutagen tree

Toxic blood, vampiric healing and mutation. Every talent, rank and requirement is listed below.

Last updated: October 12, 2026

The Mutagen tree is for Mutated Anomaly builds and anyone who likes poison: toxic blood that damages every enemy each round, vampiric healing and organic armor.

11TALENTS
47POINTS TO MASTER
6TIERS
TIER 1 · UNLOCKS AT 0 POINTS IN THIS TREE

Toxic Blood

5 RANKS · 1 POINT EACH
  • Poison all enemies for 1% of their HP each round
At max rank: Poison all enemies for 5% of their HP each round

Bloodtap

5 RANKS · 1 POINT EACH
  • 1% of damage dealt heals you
At max rank: 5% of damage dealt heals you

Mutant Hide

5 RANKS · 1 POINT EACH
  • +2 Armor
At max rank: +10 Armor
TIER 2 · UNLOCKS AT 3 POINTS IN THIS TREE

Rad Resist

5 RANKS · 1 POINT EACH
  • 1% Damage Reduction
At max rank: 5% Damage Reduction
Requires: Mutant Hide rank 1

Hardened Marrow

5 RANKS · 1 POINT EACH
  • +2% Max HP
At max rank: +10% Max HP
Requires: Mutant Hide rank 2

Acid Spit

5 RANKS · 1 POINT EACH
  • +2% Damage
At max rank: +10% Damage
Requires: Toxic Blood rank 2
TIER 3 · UNLOCKS AT 7 POINTS IN THIS TREE

Adaptive Organs

3 RANKS · 1 POINT EACH
  • Regenerate 1% max HP each combat round
At max rank: Regenerate 3% max HP each combat round
Requires: Hardened Marrow rank 2

Plague Carrier

3 RANKS · 1 POINT EACH
  • Poison all enemies for 2% of their HP each round
At max rank: Poison all enemies for 6% of their HP each round
Requires: Toxic Blood rank 4
TIER 4 · UNLOCKS AT 12 POINTS IN THIS TREE

Unstable Genome

5 RANKS · 1 POINT EACH
  • +3% Critical Chance
At max rank: +15% Critical Chance
Requires: Acid Spit rank 3

Bloodsurge

3 RANKS · 1 POINT EACH
  • 2% of damage dealt heals you
At max rank: 6% of damage dealt heals you
Requires: Bloodtap rank 4
TIER 6 · UNLOCKS AT 25 POINTS IN THIS TREE · CAPSTONE

Apex Mutation

1 RANK · 3 POINTS EACH
  • Poison all enemies for 4% of their HP each round
  • 5% of damage dealt heals you
  • Regenerate 2% max HP each combat round
  • +10% Max HP
At max rank: Poison all enemies for 4% of their HP each round, 5% of damage dealt heals you, Regenerate 2% max HP each combat round, +10% Max HP
Requires: Plague Carrier rank 3, Bloodsurge rank 3

The capstone

Apex Mutation costs 3 points and gives: Poison all enemies for 4% of their HP each round; 5% of damage dealt heals you; Regenerate 2% max HP each combat round; +10% Max HP. To take it you need Plague Carrier at rank 3, Bloodsurge at rank 3, and 25 points spent in the tree. Plan your path backwards from the capstone: spend your early points on the talents it requires, then fill in the rest.

Pairs well with

Mutagen works best alongside Berserker and Juggernaut. Berserker adds more lifesteal and damage when you are low, and Juggernaut offsets the HP you lose to the Mutated Anomaly background.

See all trees on the talent overview, check the gear that supports this tree in the item database and read the five complete builds.