Knull portrait
Cosmic class

Knull

CosmicAscendableReleased 2021

BHR reference

Every sig anchor × rank at A2. Sig levels in between interpolate smoothly (PCHIP) and round to the nearest 10 BHR — matching the in-game display.

SigR3R4R5
023,26028,40033,670
2025,57031,22037,030
4026,54032,41038,430
6027,36033,40039,610
8028,08034,29040,660
10028,74035,10041,620
12029,37035,86042,530
14029,95036,57043,370
16030,51037,26044,180
18031,05037,91044,960
20031,56038,54045,700

BHR scaling

20,00025,00030,00035,00040,00045,00050,000050100150200Signature levelR5R4R3

BHR at each signature level by rank, at maximum ascension (A2). The curve is concave — sig 0 → 100 captures roughly two-thirds of the gain from sig 0 → 200.

Abilities

MCOCHUB ↗
Abilities
Armor BreakBleedBleed ResistanceContact AttacksDegenerationPoison ResistanceTrue Accuracy
Energize
Granted via synergy
SentryThe HoodVoid
While the opponent is suffering from 12+ Armor Breaks, Knull gains an indefinite Energize Buff.
Fury
Granted via synergy
Red GoblinSymbiote SupremeVenomVenom The Duck
When the Opponent is immune to an effect, Knull gains a Fury Buff, increasing Attack Rating by 35% for 16 seconds. Max 1 stack(s).
Tags
#10 Year Challenge#AQ: Ramp#AW : Clarity#AW: Decay#AW: Unsteady Ground#Control: Counter#Genesis#Offensive: Raw Damage#Saga Champions#Stabilize#Stone#Symbiote#Valentine's
KING IN BLACK — Always Active
  • At the start of each fight, inflict +1 Living Abyss Debuffs on the Opponent for every 1300.0 signature levels obtained. Max 15.
  • When Corruption activates, gain an Unstoppable and Unblockable Buff for 2 second(s).
  • While Corruption is active and the Opponent has 10.0% Health or less, when they would gain a Regeneration Effect, replace it with Knull's Degeneration Debuff.
LORD OF DARKNESS — ALWAYS ACTIVE▾
  • +40.0% Degeneration Resistance and +60.0% Bleed and Poison Resistance.
  • Every 10 hits in the Opponent’s Combo Meter, inflict an indefinite Darkness Passive, lowering Combat Power Rate by 15.0%. Max 8.0 stack(s).
  • When the Opponent uses a Special Attack, remove 1 Darkness Passive.
CORRUPTION — PASSIVE▾
  • Knull inflicts Corruption on his Opponents using his Special Attacks, causing the following effects:
  • The Opponent’s Armor Break Debuffs are paused.
  • On activation, convert all indefinite Living Abyss Debuffs on the Opponent into Armor Break Debuffs that lower Armor Rating by -10.0, for 10 second(s).
  • For each Armor Up Effect on the Opponent, inflict an Armor Break Debuff, reducing Armor Rating by -10.0, for 10 second(s).
  • The Opponent suffers from -3.3% current Combat Power Rate for each Armor Break Debuff. Max 65.0%.
  • The Opponent passively suffers from Reverse Controls.
SYMBIOTE ATTACKS — MEDIUM, HEAVY & SPECIAL 1 ATTACKS▾
  • Symbiote Attacks gain passive True Accuracy.
  • While the Opponent is not Corrupted, landing a hit or striking into Block has a 75.0% chance to inflict an indefinite Living Abyss Debuff, removing 1 Armor Up Buff.
  • While the Opponent is Corrupted, consume 3 Armor Break Debuffs to inflict 3 Living Abyss Debuffs, regenerate 10.0% of hit damage and inflict a Degeneration Debuff, dealing 80.0 Direct Damage over 2 second(s). This ability does not trigger when using the Medium 1 Attack.
NECROSWORD ATTACKS — LIGHT & SPECIAL 2 ATTACKS▾
  • Pause the duration of the Opponent’s Corruption for 1.25 second(s).
  • While the Opponent is Corrupted, inflict an instant Bleed dealing 66.0% of hit damage as Direct Damage.
SPECIAL ATTACK 1▾
  • On activation, inflict an Encroaching Corruption lasting for 10.0 second(s). Upon expiry, inflict Corruption for 10.0 second(s).
  • While fighting as a Defender, Encroaching Corruption will not inflict Corruption while the Attacker is performing a Special Attack.
SPECIAL ATTACK 2▾
  • Inflict 10 Armor Break Debuffs, reducing Armor Rating by -10.0 for 10 second(s).
SPECIAL ATTACK 3▾
  • Inflict Corruption, lasting 25 second(s).

Team synergies(5)

Knullification

UNIQUE
Knull portrait
Knull
  • All Champions except Knull: Gain +2% modified Attack Rating for each of Knull's active Synergy Bonuses. #Symbiotes gain double.
  • All #Symbiotes except Knull: Once per fight Knull possesses his Symbiote teammate when they would be knocked out, gaining an Indestructible and Fury Buff granting +50% Attack Rating for 10 second(s). When the Indestructible Buff expires, deal 5% of Max Health as Direct Damage to the teammate.

Darkness Inside You

Sentry portrait
Sentry
Void portrait
Void
The Hood portrait
The Hood
  • Knull: While the Opponent is suffering from 12+ Armor Breaks, Knull gains an indefinite Energize Buff, increasing Combat Power Rate by 20%.

You enable for other champions(4)

Bringing this champion enables the following synergies for other champions in your team. The host's effect text is shown so you can see what benefit the pairing unlocks.

Consuming Darkness

UNIQUE
Benefit for Gorr
Knull portrait
Knull
  • Gorr: Heavy Hits grant a non-stacking Vicious Buff for 10 second(s), increasing the potency of Damage over Time effects by 20%.
  • Knull: While the Opponent is Corrupted, Necrosword Attacks inflict an additional instant Bleed dealing 30% of Attack Rating in Damage.

Hive Minds Think Alike

UNIQUE
Benefit for Imperiosa
Ant-Man (Future) portrait
Ant-Man (Future)
Ant-Man portrait
Ant-Man
Knull portrait
Knull
Shathra portrait
Shathra
  • Imperiosa, Ant-Man (Future): At the start of each fight, inflict a 60% Infuriate Passive for 5 seconds.
  • Ant-Man: When Ant-Man is Immune to one or more Damaging effects, he gains 1 Pym Particle.
  • Knull: Armor Break Debuff duration increased by 50%.
  • Shathra: Start each fight with 30 Astral Wasps on the Opponent.

TRIPLE EDGE

UNIQUE
Benefit for Vox
Knull portrait
Knull
Morbius portrait
Morbius
  • Synergy Champions: Lose an additional 5% Health from the Double Edge Mastery, but it grants an additional +10% Attack Rating.

Sources

BHR curves
mcoc.gg per-rank curves (R4 + R5 11-anchor, refreshed 2026-06-03)
Ascendable flag
mcoc.gg per-state-columns + kabam-forum-base-pool
Last verified
2026-06-03
Verify externally
Fandom wiki ↗MCOCHUB prestige ↗mcoc.gg ↗