Demons
UNIQUE
- Mephisto, Dormammu: +80% Energy Resistance while taking Damage over time.
Not currently available at 7-star. Shown as a synergy partner reference. No prestige curves are tracked yet — when Kabam releases this champion at 7★ we’ll fill them in.
Mephisto
Mystic
Team synergies(3)
Soul Seeker
UNIQUE
- Morningstar: Starts the fight with 1 Bar of Power.
- Mephisto: +1 Sould at the beginning of the fight.
Pact With a Demon
UNIQUE
- Mephisto: Gain 70% increased Incinerate potency.
- Doctor Strange: Gain 10% increased Regeneration potency.
- Ghost Rider: Gain +10% Attack Rating.
You enable for other champions(24)
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.
Fire and Forget
UNIQUEBenefit for Black Widow (Claire Voyant)
- Whenever the Opponent is immune to Incinerate they're inflicted with a Slow Debuff for 8 seconds reducing the Ability Accuracy of Unstoppable and Evade effects by 100%. This Debuff does not stack and will not trigger if the Opponent has natural Class advantage.
Demon Hunter
UNIQUEBenefit for Blade
- Blade: Danger Sense bonuses expand to include all Mystic Champions.
- Mephisto, Dormammu: Opponent's Energy Resistance is reduced by 30%.
Grow Big or Go Home
Benefit for Cassie Lang
- Synergy Champions: Gain +6% Block Proficiency and Block Penetration for each Synergy Champion present.
Legion Accursed
UNIQUEBenefit for Diablo
- Diablo: Poison effects on the opponent reduce healing effects by 50% each instead of 30%.
- Mephisto: Gain 50% of a bar of Power when a Poison Debuff would be gained. Cooldown: 10 seconds.
- Juggernaut: While Unstoppable, Juggernaut doubles his Armor Rating.
- Kraven: Traps deal an additional +40% Direct Damage.
Nemesis
Benefit for Guillotine 2099
- All Champions gain +%5 Attack.
Hell Lords
UNIQUEBenefit for Hela
- Hela: Begins the fight with 1 Bar of Power.
- Dormammu: Increase any Health gains while his Imbued Dimensional Link is active by 25%.
- Mephisto: Regain the first Soul spent to trigger his Soul Imprisonment each fight.
Hell and Back
UNIQUEBenefit for Hulk (Immortal)
- Hulk (Immortal): At the start of each fight, Hulk sacrifices 50% his Current Health, gaining an equal amount of Gamma Radiation.
- Dormammu: Gain up to 75% Attack Rating based on Dark Energy Charge.
- Mephisto: Knocking out #Villains grants +1 Soul Charge.
Rotted Souls
UNIQUEBenefit for Iron Man (Infamous)
- Iron Man (Infamous): Whenever Iron Man (Infamous) is immune to an effect, he deals the Opponent a burst of Energy Damage equal to 200% of his Attack Rating. Each subsequent time this ability triggers, the potency is reduced by 20%.
- Mephisto: Duration of Soul Imprisonment is doubled.
Revenant Birth
Benefit for Kindred
- Kindred: Activating Dread Aura grants an Unblockable Passive for 3 seconds. Cooldown: 20 seconds.
How Low Can You Go?
UNIQUEBenefit for Madelyne Pryor
- All Champions gain +3% Attack Rating for each #Dimensional Being on the team.
Soul Seeker
UNIQUEBenefit for Morningstar
- Morningstar: Start the fight with 1 Bar of Power.
- Mephisto: +1 Soul at the beginning of each fight.
Battle of Realms
UNIQUEBenefit for Odin
- Odin: For each living teammate, gain +5% Attack Rating.
- Mephisto: For each knocked out teammate, gain +5% Attack Rating.
Deadly Presence
UNIQUEBenefit for Omega Red
- Omega Red: The Death Field deals 10% more damage.
- Mephisto: The Aura of Incineration deals 15% more damage.
- Void: Intimidating Presence debuffs deal 10% more damage.
Not This Again
UNIQUEBenefit for Pixie
- Pixie: +10% Attack Rating when fighting #Dimensional Beings.
- Other Synergy Champions: +6% Ability Power Rate.
Dimensional Buddies
UNIQUEBenefit for Purgatory
- #Dimensional Beings: Gain Bleed Immunity, 20% increased Ability Accuracy, and +900 Armor Rating.
Demonic Pact
Benefit for Scarlet Witch (Sigil)
- Scarlet Witch: Chaos Surge creates Regeneration instead of Prowess, granting 4% of missing health over 12 seconds. Prowess can no longer be copied, but Regeneration can.
- Dormammu: Imbued Attacks have [1,250] increased Attack Rating.
- Mephisto: While the Opponents Soul is Imprisoned, 100% chance to activate Aura of Incinerate when the Opponent fails to gain a Buff through Chance. Cooldown 1 second.
- Dimensional Beings: +15% increased Ability Power Gain Rate.
Hell on Earth
UNIQUEBenefit for Shatterstar
- Shatterstar: Twice per fight when a personal Daunted expires, inflict a new one.
- Mephisto: Knocking Out #Heroes and #Mercenaries grants +1 Soul Charge.
Enemies
Benefit for She-Hulk
- All Champions gain +[155] Critical Rating.
Enemies
Benefit for Silver Surfer
- All Champions gain +[155] Critical Rating.
Another Dimension
UNIQUEBenefit for Spot
- Spot: Portal Block gains a flat 10% chance to Resist Unblockable and Heavy Attacks per Spot.
- Mephisto: Landing Basic Attacks pauses the duration of an Aura of Incineration for 0.2 seconds.
- Magik: While the Opponent has 0 power, gain a Fury Buff increasing Attack Rating by 15%.
Enemies
Benefit for Sunspot
- All Champions gain +[155] Critical Rating.
Ancient Hunger
UNIQUEBenefit for Symbiote Supreme
- Symbiote Supreme: Special 2 effects trigger through Blocks.
- Dormammu: Increases Health Regenerated by an Empowered Soul Bond by 50%.
- Mephisto: 15% Chance to trigger Aura of Incineration on Basic Attack Hits.
Persistent Force
UNIQUEBenefit for The Champion
- The Champion: When The Champion has 3 or more Persistent Charges, he starts the fight with an Indestructible Buff, ignoring all incoming damage for 8 seconds.
- Mephisto: +15% Attack Rating for each Persistent Charge.
- Sentry: +12% Attack Rating for each Reality Warp.
Enemies
Benefit for The Champion
- All Champions gain +[155] Critical Rating.
Sources
- BHR curves
- partner-only stub — not yet released at 7★
- Last verified
- 2026-06-10
- Verify externally
- Fandom wiki ↗MCOCHUB prestige ↗mcoc.gg ↗