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DOTA 2 / HERO HISTORY

Winter Wyvern changes

Balance notes across the versions listed by Valve. An unchanged patch is a small victory for your muscle memory.

Change record

46 patches with recorded changes · 118 of 118 listed patches readable.

Coverage: Feb 1, 2018 to Sep 15, 2026. This feed does not include every patch in Dota’s lifetime.

Inspect coverage by patch

Sep 15, 2026

Winter Wyvern in 7.41f

  • Arctic BurnCooldown increased from 26/24/22/20s to 29/26/23/20s
  • Cold EmbraceMax HP Heal per second decreased from 2.25/3/3.75/4.5% to 1.5/2.5/3.5/4.5%

Jun 4, 2026

Winter Wyvern in 7.41d

  • TalentsLevel 10 Talent Damage decreased from +35 to +30
  • TalentsLevel 20 Talent Arctic Burn Slow decreased from +15% to +10%

May 6, 2026

Winter Wyvern in 7.41c

  • TalentsLevel 10 Talent Cold Embrace Base Heal per Second decreased from +20 to +15
  • Splinter BlastMovement Slow decreased from 28/32/36/40% to 27/30/33/36%

Mar 24, 2026

Winter Wyvern in 7.41

  • Removed Eldwurm Scholar innate ability
  • TalentsLevel 15 Talent Splinter Blast Shatter Radius decreased from +250 to +175
  • TalentsLevel 20 Talent Arctic Burn Slow decreased from +17% to +15%
  • Eldwurm's EddaNew innate ability
  • Eldwurm's EddaWinter Wyvern starts the game with Eldwurm's Edda item. After 10 minutes it can be consumed, increasing the current and maximum level of a basic ability by one. Also increases Winter Wyvern's Intelligence by 25% of its base value at the time of consumption
  • Eldwurm's EddaLevel 5 values are automatically calculated by applying 50% of the difference in all values between levels 3 and 4, except for the mana cost. Mana cost is kept the same as level 4
  • Arctic BurnNo longer has a one debuff per cast restriction on enemy heroes
  • Arctic BurnBurn Duration decreased from 5s to 3s
  • Arctic BurnMovement Slow decreased from 16/24/32/40% to 15/20/25/30%
  • Cold EmbraceAghanim's Shard reworked
  • Cold EmbraceDecreases cooldown by 4s. Allied units gain 60% bonus attack damage for 6s when emerging from the icy cocoon
  • Winter's CurseAttack Speed rescaled from 65 to 50/65/80
  • Winter's CurseMaximum Duration rescaled from 4/5.5/7s to 6s
  • Winter's CurseBonus Duration per hero decreased from 2s to 1.5s
  • Winter's CurseBonus duration per hero can now be applied after the cast if an enemy hero becomes affected
  • Winter's Curse · ContextStill can't be longer than the maximum duration

Dec 23, 2025

Winter Wyvern in 7.40b

  • TalentsLevel 10 Talent HP/s Cold Embrace Heal decreased from +25 to +20
  • TalentsLevel 15 Talent Splinter Blast Shatter Radius decreased from +300 to +250
  • TalentsLevel 25 Talent Splinter Blast Stun Duration decreased from +1.25s to +1s

Dec 15, 2025

Winter Wyvern in 7.40

  • Base damage increased by 1
  • Damage at level 1 increased from 41–48 to 42–49
  • Base Attack Range increased from 425 to 450
  • TalentsLevel 25 Talent Winter's Curse Attack Speed increased from +55 to +60
  • Arctic BurnBonus Attack Range decreased from 275/300/325/350 to 250/275/300/325

May 22, 2025

Winter Wyvern in 7.39

  • TalentsLevel 10 Talent Damage increased from +30 to +35
  • TalentsLevel 15 Talent Splinter Blast Shatter Radius decreased from +400 to +300
  • TalentsLevel 25 Talent Splinter Blast Stun Duration decreased from 1.5s to 1.25s

Mar 4, 2025

Winter Wyvern in 7.38b

  • Recursive · Winter's CurseNo longer amplifies physical, magical, and pure damage taken from Winter Wyvern
  • Winter's CurseCursed target is no longer immune to physical damage from Winter Wyvern and her controlled units
  • Winter's CurseCooldown increased from 85/80/75s to 100/90/80s

Feb 18, 2025

Winter Wyvern in 7.38

  • Winterproof · Cold EmbraceCan be cast on buildings. Chosen building isn't healed, but still protected from physical damage. Affected units or buildings gain 60% bonus attack damage after the cocoon thaws. Buff Duration: 6s
  • Winterproof · Cold EmbraceIf the building is under effect of both Cold Embrace and Glyph of Fortification, the buff duration is paused. Lane creeps don't have this interaction
  • Recursive · Winter's CurseMakes all affected enemies take 125% of physical, magical and pure damage from Winter Wyvern. Whenever the cursed enemy dies, Winter's Curse is recast on the lowest health enemy hero affected by the Curse. The recast has minimum, maximum, and bonus durations equal to 50% of the default spell
  • Recursive · Winter's Curse · ContextCan't be recast on illusions. Amount of recasts is unlimited. Durations are not affected by the amount of recasts and are always equal to 50% of the default Winter's Curse
  • Is now an Intelligence Hero
  • Base Damage increased by 15-17
  • ContextDamage spread increased from 5 to 7
  • Base Strength increased from 20 to 22
  • Damage at level 1 decreased from 42-47 to 40-47
  • Strength gain increased from 2.2 to 2.5
  • Agility gain increased from 1.5 to 1.7
  • Intelligence gain increased from 2.8 to 3.6
  • Damage gain per level decreased from +4.6 to +3.6
  • Damage at level 30 decreased by 45-43 (from 203-208 to 158-165)
  • Base Attack Speed increased from 90 to 100
  • Removed Essence of the Blueheart and Dragon Sight Facets
  • Eldwurm Scholar: Now applies to Shrines of Wisdom instead of removed Wisdom Runes
  • ContextEffect and mechanics are not changed
  • Winter's CurseAffected units no longer take increased magical and pure damage bonus from Winter Wyvern by default

Jun 6, 2024

Winter Wyvern in 7.36b

  • Arctic BurnBonus Attack Range decreased from 300/325/350/375 to 275/300/325/350

May 26, 2024

Winter Wyvern in 7.36a

  • Dragon SightDamage per 10 attack range rescaled from 0.4/0.5/0.66/1.0 to 0.25/0.33/0.5/1.0
  • Splinter BlastDamage decreased from 100/180/260/340 to 80/160/240/320

May 22, 2024

Winter Wyvern in 7.36

  • Innate AbilityNew Innate ability. Passive, can't be leveled up
  • Innate AbilityWhen an allied hero picks up a Wisdom Rune, the 3 heroes that would not benefit from will gain 20% of the experience instead
  • Essence of the BlueheartWhenever Winter Wyvern restores health or heals an ally, 15% of all healing done restores mana as well
  • Dragon SightWinter Wyvern gains 0.4/0.5/0.66/1 bonus damage for each 10 attack range over 400. Scales with Winter's Curse Levels
  • Base Damage increased by 3
  • Night vision increased from 800 to 1200
  • TalentsLevel 25 Talent +1.25s Winter's Curse Duration replaced with +55 Winter's Curse Attack Speed
  • Arctic BurnNo longer increases night vision
  • Arctic BurnAttack Range Bonus decreased from 350/400/450/500 to 300/325/350/375
  • Arctic BurnBurn Damage interval decreased from 1s to 0.5s
  • Arctic Burn · ContextTotal damage per second is unchanged
  • Splinter BlastCan now target allies but not Winter Wyvern herself
  • Splinter BlastCast Range decreased from 1200 to 1150
  • Splinter BlastMovement Slow rescaled from 30% to 28/32/36/40%
  • Splinter BlastProjectile speed no longer has variable projectile speed based on distance to the target and is always 1200
  • Winter's CurseMana Cost decreased from 200/225/250 to 150/200/250
  • Winter's CurseNow has a Base Duration of 2 seconds
  • Winter's CurseDuration now increases with each taunted enemy at the moment of the cast: by 2s for every taunted enemy hero and by 0.5s for every taunted creep
  • Winter's CurseNow has a max duration of 4/5.5/7s
  • Winter's CurseNo longer ends prematurely if no enemies are around the target

Dec 14, 2023

Winter Wyvern in 7.35

  • Base Mana Regen increased from 0.25 to 0.5
  • Winter's CurseCast Range increased from 700/750/800 to 800
  • Winter's CurseMana Cost decreased from 250 to 200/225/250
  • Winter's CurseNow provides vision over the affected unit and their surroundings

Oct 4, 2023

Winter Wyvern in 7.34d

  • Splinter BlastMain Projectile Speed increased from 650 to 750
  • Winter's CurseCurse Duration increased from 4.25/4.75/5.25s to 4.5/5/5.5s

Sep 8, 2023

Winter Wyvern in 7.34c

  • Base Armor increased by 1
  • Base Mana Regen increased from 0 to 0.25
  • Arctic BurnCooldown decreased from 38/32/26/20s to 26/24/22/20s

Aug 14, 2023

Winter Wyvern in 7.34b

  • TalentsLevel 15 Talent Arctic Burn Debuff Duration increased from +2s to +3s
  • TalentsLevel 20 Talent Arctic Burn Slow increased from +12% to +17%
  • Splinter BlastMana Cost decreased from 105/120/135/150 to 105/115/125/135
  • Splinter BlastCooldown decreased from 7s to 6s

Aug 8, 2023

Winter Wyvern in 7.34

  • Cold EmbraceMax HP Heal per second increased from 1.75/2.5/3.25/4% to 2.25/3/3.75/4.5%
  • Winter's CurseWinter Wyvern can no longer deal physical damage to units affected by Winter's Curse
  • Winter's CurseAffected units now take 30% more magical and pure damage from Winter Wyvern and units under her control
  • Winter's CurseCooldown decreased from 90/85/80s to 85/80/75s

Jun 15, 2023

Winter Wyvern in 7.33d

  • Base Strength decreased from 22 to 20
  • Base Damage decreased by 2
  • Base Attack Speed decreased from 100 to 90

Apr 20, 2023

Winter Wyvern in 7.33

  • Now is a Universal Hero
  • Base Damage decreased from 14-21 to 0-5
  • Strength gain decreased from 2.5 to 2.2
  • Agility gain decreased from 1.7 to 1.5
  • Intelligence gain decreased from 3.6 to 2.8
  • Damage on level 1 decreased by 2-4 (from 40-47 to 38-43)
  • Damage gain per level increased from +3.6 to +3.9
  • TalentsLevel 25 Talent Winter's Curse Curse Duration decreased from +1.5s to +1.25s
  • Arctic BurnHealth Burn rescaled from 6/7/8/9% to 4/6/8/10%
  • Splinter BlastSplinters Projectile Speed increased from 800 to 1000
  • Winter's CurseCurse Duration decreased from 4.5/5/5.5s to 4.25/4.75/5.25s
  • Winter's Curse · ContextDuration decreased as a part of the comprehensive Disables Reduction

Aug 23, 2022

Winter Wyvern in 7.32

  • Strength decreased from 24 + 2.6 to 22 + 2.5
  • Arctic BurnFlight Duration decreased from 10s to 7/8/9/10s
  • Cold EmbraceCast Range decreased from 1000 to 850/900/950/1000

May 2, 2022

Winter Wyvern in 7.31c

  • Arctic BurnDuration increased from 8s to 10s
  • Splinter BlastSecondary projectile speed increased from 650 to 800

Aug 17, 2021

Winter Wyvern in 7.30

  • Agility Gain reduced from 1.9 to 1.7
  • TalentsLevel 10 Talent +50 Damage reduced to +35
  • TalentsLevel 10 Talent +1.5% Cold Embrace Heal replaced with +25HP/s Cold Embrace Heal
  • TalentsLevel 15 Talent +275 Health replaced with +2s Arctic Burn Debuff Duration
  • TalentsLevel 15 Talent +400 Night Vision replaced with +400 Splinter Blast Radius
  • Arctic BurnAttack Range Bonus decreased from 350/425/500/575 to 350/400/450/500
  • Arctic BurnMovement Speed Slow reduced from 22/28/34/40% to 16/24/32/40%
  • Winter's CurseCast Range reduced from 800 to 700
  • Cold EmbraceShard cooldown reduction reduced from 5s to 4s
  • Cold EmbracePercentage Heal reduced from 2/3/4/5% to 1.75/2.5/3.25/4%

Apr 16, 2021

Winter Wyvern in 7.29b

  • Arctic BurnManacost increased from 90 to 100
  • Winter's CurseCooldown increased from 80 to 90/85/80

Apr 9, 2021

Winter Wyvern in 7.29

  • Base armor increased by 1
  • TalentsLevel 10 Talent increased from +1% Cold Embrace Heal to +1.5%
  • TalentsLevel 20 Talent changed from -4s Cold Embrace cooldown to +100 Splinter Blast Damage
  • Arctic BurnCooldown reduced from 50/40/30/20 to 42/36/28/20
  • Winter's CurseNow ends if there are no enemies in the area for 2.5 seconds
  • Winter's CurseCooldown reduced from 90 to 80
  • Winter's CurseDuration increased from 4/4.75/5.5 to 4.5/5/5.5
  • Winter's CurseCurse radius increased from 500 to 525
  • Winter's CurseAttack speed increased from 55 to 65
  • Cold EmbraceShard no longer increases Splinter Blast damage by +80
  • Cold EmbraceShard now also reduces cooldown by 5 seconds

Jan 26, 2020

Winter Wyvern in 7.24

  • Base strength reduced from 26 to 24
  • TalentsLevel 10 Talent changed from +90 Gold/Min to +1% Cold Embrace Heal
  • Cold EmbracePercentage heal reduced from 3/4/5/6% to 2/3/4/5%
  • Cold EmbraceBase heal increased from 14/18/22/26 to 20/26/32/38

Jan 29, 2019

Winter Wyvern in 7.21

  • Cold EmbraceBase health regen increased from 15 to 14/18/22/26
  • Cold EmbraceManacost changed from 75 to 50/60/70/80

May 27, 2018

Winter Wyvern in 7.16

  • Splinter BlastSlow increased from 25% to 30%
  • Splinter BlastManacost reduced from 120/130/140/150 to 90/110/130/150

Apr 24, 2018

Winter Wyvern in 7.14

  • Winter's CurseDuration increased from 3.25/4/4.75 to 4/4.75/5.5 seconds
  • Winter's CurseAttack speed bonus reduced from 85 to 55

Mar 29, 2018

Winter Wyvern in 7.12

  • Base intelligence increased by 1
  • Arctic BurnAttack range changed from 275/375/475/575 to 350/425/500/575

Mar 1, 2018

Winter Wyvern in 7.10

  • Talent: Level 10 Talent increased from +50 Damage to +60
  • Arctic BurnManacost reduced from 120/110/100/90 to 90

Source: Valve’s public Dota 2 data feeds. Notes belong to Valve. Dates use Bellevue time (Pacific).