Mei

Level Lv 1

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  Heavy Pack Q

  Increases the duration of Snow Blind's Slow by 1.5 seconds. Each time Blizzard damages an enemy Hero, reduce the cooldown of Snow Blind by 0.5 seconds and gain 3 Mana.

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  Ice Storm W

  Every 3rd hit of Blizzard against enemy Heroes deals an additional 42 (+4% per level) damage. Blizzard's final Stun damage is increased by 150% against all enemies.

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  Heat Transfer Passive

  Basic Attacks against Stunned, Rooted, or Slowed Heroes deal 33% more damage. Each time Mei Stuns or Slows an enemy Hero she heals for 16 (+4% per level) Health.

Level Lv 4

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  Slushball Q

  Snow Blind deals 75% increased damage and Structures hit are disabled for 3 seconds.

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  Cold Front E

  Reduce the cooldown of Icing by 3 seconds. If Mei enters her own Blizzard while Icing is active, the cooldown of Icing is reduced by 5 seconds and she gains 80 Mana.

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  Crystallize Trait

  Reduce the cooldown of Cryo-Freeze by 10 seconds. Mei gains 40 Spell Armor while Cryo-Freeze is active and for 1 second after.

Level Lv 7

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  Induce Hibernation W

  Blizzard reduces the damage dealt by enemy Heroes inside of its area by 40%. When Blizzard ends, enemy Heroes still within its area gain this effect for an additional 4 seconds.

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  Skating Away E

  When Icing ends, Mei and all nearby allied Heroes gain 20% Movement Speed and 50 Physical Armor for 3 seconds.

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  Backup Battery Active

  Activate to remove all Roots and Slows and regenerate 20% of maximum Health over 2 seconds. The cooldown of this ability is reduced by 10 seconds each time Mei picks up a Regeneration Globe.

Level Lv 10

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  Avalanche Heroic

  After 0.5 seconds, roll a massive snowball that consumes enemy Heroes in its path. At the end of its path, the snowball crumbles, releasing the consumed Heroes, dealing 220 (+4% per level) damage and Stunning them for 0.5 seconds per Hero consumed.

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  Ice Wall Heroic

  Vector Targeting After a 0.75 second delay, create an impassable wall that traps enemy Heroes hit for 2.5 seconds. When the wall expires, trapped Heroes are Slowed by 75%, decaying over 3 seconds.

Level Lv 13

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  Flurry W

  While in her own Blizzard, Mei gains 50% increased Attack Speed and Blizzard's cooldown refreshes 125% faster. If Mei is in her own Blizzard when it ends, gain these bonuses for 3 additional seconds.

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  Cooling Servos Trait

  While Cryo-Freeze is active, Mei's Basic Ability cooldowns recover 200% faster. Passive: Basic Attacks Slow by 20% for 1.5 seconds.

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  Polar Vortex Passive

  Using an ability causes Mei to deal 24 (+4% per level) damage a second to nearby enemies for 4 seconds. Enemy Heroes damaged by this effect also have their Movement Speed and Attack Speed Slowed by 20%.

Level Lv 16

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  Fresh Powder Q

  Snow Blind gains an additional charge and its range is increased by 33%.

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  Black Ice E

  Icing's Slow effect no longer decays over its duration. Icing deals 300% more damage to enemies very close to Mei.

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  Acclimation Passive

  Each time Mei Stuns or Slows an enemy Hero, the damage she deals and healing she receives is increased by 1%, stacking up to 20 times. While at maximum stacks, Mei also gains 10 Armor. Lasts 8 seconds.

Level Lv 20

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  Cascade Heroic

  While traveling, Avalanche constantly launches a volley of untalented Snow Blind snowballs ahead of itself. Passive: Reduce the cooldown of Avalanche by 30 seconds.

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  Shatter Heroic

  When Ice Wall expires, trapped enemy Heroes hit take 210 (+4% per level) damage and have their Armor reduced by 25 for 5 seconds.

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  The Big One Q

  Every 15 seconds, the next Snow Blind you cast has 67% increased area and 200% increased damage.

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  Flash Freeze Trait

  When Mei takes fatal damage she instantly gains Cryo-Freeze. This effect has a 180 second cooldown.