Glacial Augment is a rune in 
League of Legends.
League of Legends.
Notes[]
- On champions without immobilizing effects, Glacial Augment is exchanged with
First Strike.
Map-Specific Differences[]
Ultra Rapid Fire differences edit
- Cooldown changed to 15 seconds.
Media[]
Glacial Augment with Precision
Glacial Augment with Domination
Glacial Augment with Sorcery
Glacial Augment with Resolve
Sound Effects[]
- Activation
- Icy zone slow
Patch History[]
- Bug Fix: Ice ray missiles no longer are consumed by
spell shields.
- Base slow reduced to 20% from 30%.
- Bonus AD ratio increased to 7% per 100 bonus AD from 4%.
- AP ratio increased to 6% per 100 AP from 3%.
- Bug Fix: Is now correctly replaced by First Strike on all champions that do not have any compatible form of crowd control.
- V12.2 - January 21st Hotfix
- Bug Fix: Fixed a bug where the slow would sometimes persist much longer than it was supposed to.
- Bug Fix: Fixed a bug where triggering it would incorrectly count toward triggering
Eclipse's Ever Rising Moon.
- V11.24 - December 15th Hotfix
- Slow heal and shield power ratio increased to 9% per 10% from 7% per 10%.
- Base slow reduced to 30% from 35%.
- Slow bonus AD ratio increased to 4% per 100 bonus AD from 2%.
- Slow AP ratio increased to 3% per 100 AP from 2%.
- Slow heal and shield power ratio increased to 7% per 10% from 5% per 10%.
- New Effect:
Immobilizing an enemy champion will cause 3 glacial rays to emanate from them towards you and other nearby enemy champions, creating icy zones that 
slow enemies within by 35% (+ 2% per 100 AP) (+ 2% per 100 bonus AD) (+ 5% per 10% heal and shield power) and reducing their damage by 15% against your allies, excluding yourself, for 3 (+ 100% of the immobilizing effect's duration) seconds.- Cooldown: 25 seconds.
- Old Effect:
- Glacial Augment: Basic attacks on-hit slow enemy champions by (
45% − 55% / 
30% − 40%) (based on level) for 2 seconds, which increases in effectiveness over the duration. This effect cannot occur on the same target more than once every few seconds.
- Cooldown: 7 / 6 / 5 / 4 (based on level) (per target) seconds.
- Freeze Ray: Slowing an enemy champion with an item active creates a 600-unit frozen line in their direction for 5 seconds, slowing all enemies within by 60%. The Freeze Ray can fire upon any number of champions concurrently, and has no cooldown.
- Glacial Augment: Basic attacks on-hit
- Bug Fix: Tooltip no longer references targets hit by
Energized-empowered attacks.
- Ranged slow increased to 30% − 40% (based on level) from 20% − 40% (based on level).
- Melee slow increased to 45% − 55% (based on level) from 40% − 50% (based on level).
- Freeze ray slow increased to 60% from 50%.
- Bug Fix: Now has ally/enemy color differentiation.
- V7.22 Added
Inspiration Keystone rune.
- Passive – Glacial Augment: Basic attacks slow enemy champions for 2 seconds, which increases over the duration. This effect cannot occur on the same target more than once every few seconds.
Melee champions: 40% − 50% (based on level) maximum slow.
Ranged champions: 20% − 40% (based on level) maximum slow.
- Passive – Freeze Ray: Slowing an enemy champion with an item active triggers your Freeze Ray to fire a laser that cuts an X-unit line through the ground in their direction, creating a slowing field for 5 seconds that slows units inside by 50%. The Freeze Ray can fire upon any number of champions concurrently, and has no cooldown.
- Per-Target Cooldown: 7 / 6 / 5 / 4 (based on level) seconds.
- Passive – Glacial Augment: Basic attacks
Removed
