Professor X

With: Beast, Nightcrawler, Archangel

All Mutants and X-Men except Professor X: +6% of a bar of Power every 10 second(s) for each Cerebro Charge Beast: Increase the duration of Freestyle and Acrobatic Combo Success by 5 second(s). Nightcrawler, Archangel: +30% Bleed Potency.

With: Magneto, Magneto (House of X), Iceman

All Mutants and X-Men except Professor X: Gain a Mental Barrier with 2.5% of Current Health for each Cerebro Charge Magneto: +15% Attack Rating while fighting #Metal Champions. Magneto (House of X): Guidance’s bonus Attack Rating is increased by a flat +5% or +15% on the final node of a Quest. Iceman: Inflict 3 personal Frostbite Passives whenever the Opponent Purifies a Coldsnap Debuff.

With: Cassandra Nova

Synergy Champions: Tapping Block while charging a Heavy Attack allows these Champions to interrupt their Channeling. Cooldown: 5 seconds.

With: Cassandra Nova

All Champions: +6% Health.

With: Count Nefaria

All champions: +155 Critical Rating.

With: Dani Moonstar

Synergy Champions: Well-Timed Blocks grant a non-stacking 20% Energy Resistance Passive for 10 seconds.

With: Dark Phoenix

All Champions: +5% Perfect Block Chance.

With: Gambit

All Champions: +4% Health & Attack Rating.

With: Jean Grey

Jean Grey: Personal Delirium effects gain a flat +20% potency. Professor X: His personal Falter can trigger against Special Attacks while charging a Heavy Attack. When it does, the cooldown is increased by 10 seconds.

With: Kitty Pryde

All Champions: +130 Armor Rating.

With: Magneto

All Champions: +6% Attack Rating.

With: Magneto (House of X)

Professor X: All of Professor X’s Prowess Buffs gain 20% Duration. Magneto (House of X): +5% Attack rating during the fight and Magneto's Atonement Synergy gain +25% Potency.

With: Omega Sentinel

Omega Sentinel: Self Repair Buffs gain +35% potency. Professor X: Gain an additional Persistent Charge whenever an Opponent is defeated.

With: Onslaught

Onslaught: When defeating a Mutant Champion, Onslaught Passively Regenerates 15% of his missing Health.

With: Quicksilver

Quicksilver: Whiplash damage increases by 25%. Professor X: Reduce the Opponent’s Purify Ability Accuracy by -100% for 3 second(s) after a Well-Timed Block.