- For the item in League of Legends, see .
- Attack speed slow increased to 50% from 40%.
- Starting mana reduced to 15 from 20.
- Attack speed slow increased to 40% from 25%.
- Debuff duration reduced to 0.5 seconds from 1.
- Stacking multiple Frozen Hearts now increases the radius of the effect, rather than increasing the strength of the attack speed slow.
- Attack speed slow reduced to 25% from 35%.
- Armor increased to 25 from 20.
- Debuff duration reduced to 1 second from 4.
- Attack speed slow increased to 35% from 30%.
- Debuff duration increased to 4 seconds from 2.875.
- Bug Fix: No longer applies too many slows when stacked.
- Bug Fix: Now properly affect Elise's Spiderlings and Elementalist's Golem.
- V9.15 - July 31st Hotfix
- Bug Fix: Can now only apply its debuff to any enemy once. If the Frozen Heart holder leaves and returns to an affected unit, the debuff will be refreshed not stacked.
- Bug Fix: No longer breaks for a round when selling its host unit.
- Effect now applies more consistently to any unit near the wearer.
- V9.13 - Added
- Stats: 20 starting mana and 20 armor.
- Passive: Adjacent enemies have their attack speed reduced by 25% for 2.875 seconds.
- Recipe: + .
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