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Passive[]

The Infestation dwelling within NidusIcon272.png Nidus mutates rapidly when used against his foes, fueling his abilities and yielding various symbiotic benefits. Nidus possesses various passive mechanics highlighted in the tabs below:

Mutation gauge at 100 stacks.

Mutation Stacks are a resource unique to Nidus, indicated by the Mutation counter and gauge displayed in the lower-right on the HUD, above the ability icons.

  • The gauge is divided into 5 sections which represent the number of hits dealt to enemies via Nidus' abilities, while the counter at the center of the gauge keeps track of the number of Mutation stacks up to a maximum of 100.
    • When generating Mutation, the sections light up clockwise. Once all 5 sections have lit up, the gauge completes a cycle and the sections become unlit again, while the counter increases by 1 Mutation stack. The following abilities generate 1/5th of a Mutation stack:
      • Each enemy hit with Virulence130xDark.png Virulence.
      • Each enemy hit by Ravenous130xDark.png Ravenous' maggot explosion.
      • Each enemy killed from any source while held by Larva130xDark.png Larva at a 50% chance.
      • Abilities are not required to deal damage to enemies, only ability contact is needed to increase Mutation stacks.
      • When gaining or losing large numbers of stacks, the gauge only changes one at a time, making it difficult to estimate the actual count.
        • This can be bypassed by briefly switching to the Operator, as this will instantly refresh to the current amount of stacks.
    • Mutation stacks are stored until used by the player. Stacks will not disappear in the event of a host migration.
    • Ability-nullifying enemies such as Nullifier Crewman will drain 1 Mutation stack every 2 seconds, ramping up the drain rate the longer Nidus remains in their radius.
    • Each Mutation stack causes the gauge to gradually appear more infested, and upon reaching 100 stacks the counter is hidden and the gauge is overlapped by Virulence's ability icon colored in red and black.
  • The amount of Mutation stacks stored benefits Nidus' abilities:
    • Increases the damage of Virulence and Ravenous' maggot explosion.
    • ParasiticLink130xDark.png Parasitic Link costs 1 stack to activate instead of using energy.
    • Ravenous costs 3 stacks to activate instead of using energy.
  • Nidus' appearance changes as more stacks are collected:
    • With the base skin:
      • At 3 stacks, tendrils will protrude from his neck and upper spine, while the carapace around his ribs will open.
      • At 5 and 7 stacks respectively, the carapace around his thighs and arms will open to reveal more infested flesh and tendrils beneath.
      • At 10 stacks, certain sections of his currently-equipped helmet will open up.
        • With the base helmet, the sides of his head extend outward to form a pair of horns, also exposing many more tendrils.
        • With the Nidus Prion Helmet, the "mouth" and the ligature open up, revealing Void-like energy underneath.
        • With the Nidus Myxini Helmet, the helmet opens up down the middle to reveal a monstrous mouth-like face.
    • With the Nidus Phryke Skin:
      • At 3 stacks, he gains protective armor on his thighs, and his shoulder pads are covered in a cage-like armor with a protruding spike on the top.
      • At 5 stacks, a large curved blade appears on each of the shoulder pad spikes.
      • At 7 stacks, his forearms are lined with a curved blade that extends two large spikes.
      • At 10 stacks, his face becomes covered with a crown-like visor.
    • With NidusPrimeIcon272.png Nidus Prime:
      • At 3 stacks, black tendrils form on the left side of his face, as well as his entire left arm.
      • At 5 stacks, the tendrils extend to cover his chest and back.
      • At 7 stacks, the right side of his fleshy body becomes covered in a black mass as the golden metallic spikes on his right arm protrude outward, while tendrils form on his lower body.
      • At 10 stacks, the tendrils extend to cover his entire face and thighs.
    • When stacks fall below the required triggers, Nidus' appearance will revert to the appropriate stage.

If Nidus suffers fatal damage with at least 15 stacks of Mutation, Nidus will consume the 15 stacks to avoid bleedout while receiving 5 seconds of invulnerability and restoring 50% of his health.

  • A UI banner displaying "Undying" and an invulnerability timer will appear at the top-center of the screen while this passive is activated. The required amount of Mutation stacks will be visibly subtracted from the counter and gauge.
  • If Nidus has fewer than 15 Mutation stacks, all stacks will be consumed without benefit.
  • If Nidus has 15 or more stacks while Mod TT 20px.png Quick Thinking is equipped, Undying will be given a higher priority, triggering before any energy is drained by Quick Thinking.

AbundantMutationMod.png
Main article: Abundant Mutation

Abundant Mutation is a Warframe Augment Mod for NidusIcon272.png Nidus' passive that increases the amount of max stacks that he can carry but adds a cooldown of 30 seconds to his Undying passive.


Rank Additional max stacks Cost
0 +50 6
1 +100 7
2 +150 8
3 +200 9

Unlike most frames, when Nidus ranks up he receives a special set of rank bonuses which are indicated at the top-left of the Warframe Upgrade screen:

  • +20% / +40% / +60% / +80% / +100% / +120% / +140% / +160% / +180% / +200% Health at ranks 1 / 4 / 7 / 10 / 13 / 16 / 19 / 22 / 25 / 28 respectively.
  • +10% / +20% / +30% / +40% / +50% Armor at ranks 2 / 8 / 14 / 20 / 26 respectively.
  • +3% / +6% / +9% / +12% / +15% Ability Strength at ranks 3 / 9 / 15 / 21 / 27 respectively.
  • +10% / +20% / +30% / +40% / +50% Energy capacity at ranks 5 / 11 / 17 / 23 / 29 respectively.
  • 5 / 7 / 9 / 11 / 13 Health regen per second at ranks 6 / 12 / 18 / 24 / 30 respectively.

This results in a total of +200% Health, +50% Armor, +15% Ability Strength, +50% Energy capacity, and 13 Health/s Regeneration at Rank 30.

Note that these bonuses are gained only by leveling up. Gaining Mutation stacks will not increase said bonuses.

Abilities []

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Virulence.png VirulenceIcon.png
ENERGY:
40
KEY
1
Virulence
Rupture the ground with a damaging fungal growth that steals energy from each enemy it strikes. For every five enemies hit, the Infestation mutates, multiplying its destructive force.
Strength:150 / 160 / 175 / 200 (DmgPunctureSmall64.png Puncture damage)
Duration:N/A
Range:10 / 11 / 13 / 16 m
Misc:4 m (fungal growth width)
25% (energy refund rate per hit)
Expand/Collapse


Larva.png LarvaIcon.png
ENERGY:
25
KEY
2
Larva
Spawn an Infested pod that erupts with tendrils, latches onto nearby enemies and pulls them in. Enemies killed while held have a chance of generating a Mutation stack.
Strength:N/A
Duration:4 / 5 / 6 / 7 s
Range:8 / 9 / 10 / 12 m (grab radius)
5.33 / 6 / 6.67 / 8 m
(grab radius for subsumed version)
Misc:50 % (Mutation stack chance)
3 s (unaffected targets release delay)
Subsumable to Helminth
Expand/Collapse


ParasiticLink.png ParasiticLinkIcon.png
ENERGY:
0
KEY
3
Parasitic Link
Bind to a target with parasitic link. When cast on an ally, both the host and Nidus have their Ability Strength increased. Linked enemies take some of the damage inflicted on Nidus.


Mutation Stacks Cost: 1

Strength:10% / 15% / 20% / 25% (strength bonus)
20% / 30% / 40% / 50% (damage redirection)
Duration:30 / 35 / 45 / 60 s
Range:24 / 28 / 34 / 40 m (ally link)
10 / 13 / 16 / 20 m (enemy link)


Ravenous.png RavenousIcon.png
ENERGY:
0
KEY
4
Ravenous
Gluttonous maggots swarm nearby enemies, feasting until they burst with Infestation. The maggots benefit from Mutation and each enemy consumed adds to the Mutation stack.


Mutation Stacks Cost: 3

Strength:100 / 110 / 125 / 150 (explosion DmgBlastSmall64.png Blast damage)
10 / 13 / 16 / 20 (health regen per second)
Duration:25 / 30 / 35 / 40 s
Range:4 m (explosion radius)
Misc:8 m (ability diameter)
9 (number of maggots)
1000 (maggot health)
10 (maggot DmgToxinSmall64.png Toxin damage)
Expand/Collapse


Strength Mods

IntensifyModU145.png

Duration Mods

ContinuityModU145.png

Range Mods

StretchModU145.png

VirulenceIcon.png VirulenceIcon.png
LarvaIcon.png LarvaIcon.png
ParasiticLinkIcon.png ParasiticLinkIcon.png ParasiticLinkIcon.png
RavenousIcon.png RavenousIcon.png RavenousIcon.png
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