Nerf Radar › Dota 2 › History › Winter Wyvern
Winter Wyvern: change history
26 changes across 6 patches (Dec 15, 2025 to Sep 15, 2026), newest first. Nerf Radar tracks the 10 most recent official updates for Dota 2, back to Dec 15, 2025.
Buff 4Nerf 15Adjust 5New 1Removed 1
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NerfArctic Burn · CooldownCooldown on Winter Wyvern's Arctic Burn increases from 26/24/22/20s to 29/26/23/20s.26/24/22/20s→29/26/23/20s
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Cooldown increased from 26/24/22/20s to 29/26/23/20s
NerfCold Embrace · Max HP Heal per secondMax HP Heal per second on Winter Wyvern's Cold Embrace decreases from 2.25/3/3.75/4.5% to 1.5/2.5/3.5/4.5%.2.25/3/3.75/4.5%→1.5/2.5/3.5/4.5%Source line
Max HP Heal per second decreased from 2.25/3/3.75/4.5% to 1.5/2.5/3.5/4.5%
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NerfTalents · Level 10 Talent DamageWinter Wyvern's level 10 talent Damage decreases from +35 to +30.+35→+30
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Level 10 Talent Damage decreased from +35 to +30
NerfTalents · Level 20 Talent Arctic Burn SlowWinter Wyvern's level 20 talent Arctic Burn Slow decreases from +15% to +10%.+15%→+10%Source line
Level 20 Talent Arctic Burn Slow decreased from +15% to +10%
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NerfSplinter Blast · Movement SlowMovement Slow on Winter Wyvern's Splinter Blast decreases from 28/32/36/40% to 27/30/33/36%.28/32/36/40%→27/30/33/36%
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Movement Slow decreased from 28/32/36/40% to 27/30/33/36%
NerfTalents · Level 10 Talent Cold Embrace Base Heal per SecondWinter Wyvern's level 10 talent Cold Embrace Base Heal per Second decreases from +20 to +15.+20→+15Source line
Level 10 Talent Cold Embrace Base Heal per Second decreased from +20 to +15
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RemovedRemoved Eldwurm Scholar innate ability.
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Removed Eldwurm Scholar innate ability
NewEldwurm's EddaNew innate ability.Source line
New innate ability
- Winter 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
- Level 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
AdjustArctic BurnNo longer has a one debuff per cast restriction on enemy heroes.Source line
No longer has a one debuff per cast restriction on enemy heroes
NerfArctic Burn · Burn DurationBurn Duration on Winter Wyvern's Arctic Burn decreases from 5s to 3s.5s→3sSource line
Burn Duration decreased from 5s to 3s
NerfArctic Burn · Movement SlowMovement Slow on Winter Wyvern's Arctic Burn decreases from 16/24/32/40% to 15/20/25/30%.16/24/32/40%→15/20/25/30%Source line
Movement Slow decreased from 16/24/32/40% to 15/20/25/30%
AdjustCold EmbraceAghanim's Shard reworked.Source line
Aghanim's Shard reworked
- Decreases cooldown by 4s. Allied units gain 60% bonus attack damage for 6s when emerging from the icy cocoon
AdjustWinter's Curse · Attack SpeedAttack Speed on Winter Wyvern's Winter's Curse changes from 65 to 50/65/80.65→50/65/80Source line
Attack Speed rescaled from 65 to 50/65/80
AdjustWinter's Curse · Maximum DurationMaximum Duration on Winter Wyvern's Winter's Curse changes from 4/5.5/7s to 6s.4/5.5/7s→6sSource line
Maximum Duration rescaled from 4/5.5/7s to 6s
NerfWinter's Curse · Bonus Duration per heroBonus Duration per hero on Winter Wyvern's Winter's Curse decreases from 2s to 1.5s.2s→1.5sSource line
Bonus Duration per hero decreased from 2s to 1.5s
AdjustWinter's CurseBonus duration per hero can now be applied after the cast if an enemy hero becomes affected.Source line
Bonus duration per hero can now be applied after the cast if an enemy hero becomes affected
- Info: Still can't be longer than the maximum duration
NerfTalents · Level 15 Talent Splinter Blast Shatter RadiusWinter Wyvern's level 15 talent Splinter Blast Shatter Radius decreases from +250 to +175.+250→+175Source line
Level 15 Talent Splinter Blast Shatter Radius decreased from +250 to +175
NerfTalents · Level 20 Talent Arctic Burn SlowWinter Wyvern's level 20 talent Arctic Burn Slow decreases from +17% to +15%.+17%→+15%Source line
Level 20 Talent Arctic Burn Slow decreased from +17% to +15%
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NerfTalents · Level 10 Talent HP/s Cold Embrace HealWinter Wyvern's level 10 talent HP/s Cold Embrace Heal decreases from +25 to +20.+25→+20
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Level 10 Talent HP/s Cold Embrace Heal decreased from +25 to +20
NerfTalents · Level 15 Talent Splinter Blast Shatter RadiusWinter Wyvern's level 15 talent Splinter Blast Shatter Radius decreases from +300 to +250.+300→+250Source line
Level 15 Talent Splinter Blast Shatter Radius decreased from +300 to +250
NerfTalents · Level 25 Talent Splinter Blast Stun DurationWinter Wyvern's level 25 talent Splinter Blast Stun Duration decreases from +1.25s to +1s.+1.25s→+1sSource line
Level 25 Talent Splinter Blast Stun Duration decreased from +1.25s to +1s
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BuffBase damageWinter Wyvern's Base damage increases by 1.
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Base damage increased by 1
BuffDamage at level 1Winter Wyvern's Damage at level 1 increases from 41–48 to 42–49.41–48→42–49Source line
Damage at level 1 increased from 41–48 to 42–49
BuffBase Attack RangeWinter Wyvern's Base Attack Range increases from 425 to 450.425→450Source line
Base Attack Range increased from 425 to 450
NerfArctic Burn · Bonus Attack RangeBonus Attack Range on Winter Wyvern's Arctic Burn decreases from 275/300/325/350 to 250/275/300/325.275/300/325/350→250/275/300/325Source line
Bonus Attack Range decreased from 275/300/325/350 to 250/275/300/325
BuffTalents · Level 25 Talent Winter's Curse Attack SpeedWinter Wyvern's level 25 talent Winter's Curse Attack Speed increases from +55 to +60.+55→+60Source line
Level 25 Talent Winter's Curse Attack Speed increased from +55 to +60
Each step links to the full patch breakdown and to Valve's official notes. Changes listed under a general heading such as "Bug fixes" are not included here; search to find every mention.