Iceman

With: Magneto, Hyperion

All Champions: +155 Critical Rating.

With: Spider-Man (Classic)

All Champions: +115 Critical Damage Rating.

With: Ghost Rider, Black Widow

All Champions: +5% Perfect Block Chance.

With: Archangel

All Mutant Champions: Special Attack hits gain +12% Attack Rating.

With: Human Torch

Human Torch and Iceman: When the Opponent takes Energy Damage, they take an additional burst of Energy damage equal to 15% of the original damage.

With: Kate Bishop

Iceman: When an Opponent fails to trigger an Evade due to Coldsnap, inflict a personal Frostbite Passive. Kate Bishop: When an Opponent fails to trigger an Evade due to Coldsnap or reduced Ability Accuracy, inflict a Frostbite Passive for 10 seconds, dealing 50% of Attack as Energy Damage when it expires.

With: Korg

Iceman: While Ice Armor is reforming, Iceman’s Attack Rating is increased by 15% as long as he does not get hit. Korg: If Korg is awakened, +15% chance to shrug off a Debuff while Rock Shield is active.

With: Northstar

Northstar: Heavy Attacks remove all stacks of personal pause to deal a burst of 5% of Attack Rating in Physical Damage per personal Reverb and Prowess effect on Northstar. Iceman: Intercepts and Dash Attacks inflict a Frostbite Passive and cause the cooldown for Ice Armor to briefly expire faster.

With: Northstar

All Champions: +90 Armor Rating, Block Proficiency, Energy Resistance and Physical Resistance.

With: Professor X

All Mutants and X-Men except Professor X: Gain a Mental Barrier with 2.5% of Current Health for each Cerebro Charge Iceman: Inflict 3 personal Frostbite Passives whenever the Opponent Purifies a Coldsnap Debuff.

With: Scorpion

Scorpion: Final hit of Special Attack 2 inflicts a Stun Debuff on the Opponent, Stunning them for 3 seconds. Iceman: +1124 Critical Rating while the Opponent is suffering from a Coldsnap effect.

With: Sentinel

Sentinel: While fighting Mutant Champions, the Opponent suffers 25% reduced Attack Rating during Special Attack hits.

With: Solvarch

Solvarch: At the start of each fight, Solvarch is inflicted with a Coldsnap Debuff dealing 5 Energy Damage over 2.5 seconds. Other Synergy Champions: 15% increased Coldsnap Debuff potency.

With: Venompool

Venompool: When the Cookin’ Meter hits 100, 75% chance to gain an Ice Armor Buff, granting +2000 Armor Rating and Stun Immunity for 20 seconds. Ice Armor is lost once it prevents a Stun effect. Synergy Champions: +4% Health & Attack Rating.

With: Vision (Aarkus)

Vision (Aarkus): Increase the duration of Armor Break Debuffs by 2 second(s) flat. Iceman: Increase the duration of Frostbite Passives by 4 second(s) flat.