Cull Obsidian portrait
Cosmic class

Cull Obsidian

CosmicReleased 2019

BHR reference

Every sig anchor × rank at A0. Sig levels in between interpolate smoothly (PCHIP) and round to the nearest 10 BHR — matching the in-game display.

SigR3R4R5
019,09023,31027,640
2021,77026,59031,520
4022,57027,57032,680
6023,24028,38033,650
8023,83029,11034,510
10024,38029,78035,300
12024,89030,40036,040
14025,37030,99036,740
16025,83031,55037,400
18026,27032,08038,040
20026,69032,60038,650

BHR scaling

15,00020,00025,00030,00035,00040,000050100150200Signature levelR5R4R3

BHR at each signature level by rank (non-ascendable — A0 only). The curve is concave — sig 0 → 100 captures roughly two-thirds of the gain from sig 0 → 200.

Abilities

MCOCHUB ↗
Abilities
Armor BreakCombo ShieldContact AttacksFuryParry Non-contactTrue Accuracy
Tags
#AQ: Ramp#Metal#Size: XL#Thanos's Army
ENFORCED OBLIVION — Passive
  • Once Cull Obsidian’s Rout Buff has expired, it goes into cool down, and can be reactivated after 30 seconds.
  • When Rout enters cool down, Cull’s aggression is awarded with a Fury Buff, granting +100.0 Attack for 4 seconds. This Buff gains +0.5 seconds duration for each hit landed while Rout was active.
THANOS'S FAVOR — MAX PERSISTENT CHARGES 10▾
  • At the beginning of the fight, 1 Thanos’s Favor Buff is gained per Persistent Charge. These Buffs last 10 seconds each and they gain effects based on the number of charges. These Buffs have their duration paused for 250.0 second each time an attack is landed.
  • Thanos has directed Cull to spread the maximum possible amount of mayhem, allowing him to start with 300.0 Persistent Charges in Battlegrounds or in the first fight of Alliance War.
MISSIONS FROM THANOS▾
  • Cull Obsidian has 300.0 Missions to complete, which may be done in any order. Each Mission can be completed multiple times and doing so grants 1 Persistent Charge.
  • Mission 1: Break their Defenses: Knockout any Champion.
  • Mission 2: Crush their Hope: Knockout an Avenger.
  • Mission 3: End their Resistance: Knockout a Champion without the Combo Meter being lost due to being struck during the fight.
THANOS’S FAVOR BUFFS — EFFECTS FROM PERSISTENT CHARGE▾
  • 1+ Each Buff grants +10.0 Attack.
  • 3+ Gain an indefinite True Accuracy Passive for the duration of the Buffs.
  • 5+ Each Buff grants +10.0 Critical Damage Rating.
  • 8+ Each Buff grants +5.0% Rout Buff duration.
ON WELL-TIMED BLOCKS▾
  • Cull Obsidian’s unique shield is able to Stun opponents with the Parry Mastery even against attacks that don't make contact.
DASH BACK AND HOLD BLOCK FOR 1.2 SECONDS — ONCE PER FIGHT▾
  • Cull Obsidian overcharges his weapon to gain a Rout Buff for 8 seconds. This causes his opponent to suffer -100.0% Auto-Block Ability Accuracy and also grants his attacks an additional burst of Energy Damage equal to 120.0% of the damage dealt.
SPECIAL ATTACKS▾
  • Cull Obsidian’s overwhelming presence reduces the opponent’s Armor Up Ability Accuracy by -100.0% during his Special Attacks.
SPECIAL ATTACK 1▾
  • Combat expertise grants 1000.0 Combo Shield Buffs. When struck, 1 Combo Shield Buff is lost instead of the Combo Meter resetting. Max: 10 Combo Shield Buffs.
SPECIAL ATTACK 3▾
  • +10.0 Attack for each Persistent Charge.

Team synergies(5)

Invasive Force

Corvus Glaive portrait
Corvus Glaive
Proxima Midnight portrait
Proxima Midnight
  • Cull Obsidian: New Mission: Disarm their Tech: Knockout a Tech Champion. This Mission can only be completed once each Quest.

Display of Strength

Ebony Maw portrait
Ebony Maw
Thanos portrait
Thanos
  • Cull Obsidian: New Mission: Show your Might: Knockout a Champion while the Rout Buff is active. This mission can only be completed once each Quest.

Heroes Never Learn

Hulkbuster portrait
Hulkbuster
Hulk portrait
Hulk
Hulk (Ragnarok) portrait
Hulk (Ragnarok)
  • Cull Obsidian: Launching a Special Attack grants a Fury Buff for 4 seconds, increasing attack by 50%. This Buff gains a +150% duration while fighting Hero Champions.

You enable for other champions(8)

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.

Cull of the Maw

UNIQUE
Benefit for Ebony Maw
Cull Obsidian portrait
Cull Obsidian
  • Cull Obsidian: When 1 or more Thanos' Favor Buffs expire, gain a Fury Buff granting 10% attack for 10 seconds. Fury Buffs gained in this way will not stack.
  • Ebony Maw: Charging a Heavy Attack for 0.5 seconds grants the opponent an indefinite Fury Buff, increasing their Attack Rating by 0%.

Sources

BHR curves
mcoc.gg per-rank curves (R4 + R5 11-anchor, refreshed 2026-06-03)
Ascendable flag
non-ascendable per mcoc.gg
Last verified
2026-06-03
Verify externally
Fandom wiki ↗MCOCHUB prestige ↗mcoc.gg ↗