Glacial Augment - League of Legends Rune

Glacial AugmentOverview

Patch26.14
Matches134,440
TierAll Tiers
Last UpdatedJul 19, 2026
MethodologyData Methodology
Immobilizing an enemy champion will cause 3 glacial rays to emanate from them towards you and other nearby champions, creating frozen zones for 3 (+ the immobilizing effect's duration) seconds that slow enemies for 20% (+90% per 100% Heal and Shield Power) (+6% per 100 Ability Power) (+7% per 100 bonus Attack Damage) and reduce their damage by 15% against your allies (not including yourself).

Cooldown: 25s
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Blitzcrank leads with 2.61% pick rate and 48.99% win rate, Rakan leads with 1.44% pick rate and 76.00% win rate.

Rakan achieves 76.00% win rate (+25.22% diff), Blitzcrank achieves 48.99% win rate (-0.23% diff).

Glacial Augment Early vs Late Game Performance's win rate varies throughout the game based on match duration. Glacial Augment Early vs Late Game Performance peaks at 55.00% win rate in 50+ minute games, while performing lowest at 44.83% in 30 minute games. Understanding Glacial Augment Early vs Late Game Performance's power spikes across game duration helps optimize your playstyle and decision-making.

Glacial Augment is most commonly used by Support (67%) and Tank (33%) champions.

These runes are most commonly used alongside Glacial Augment in League of Legends. Biscuit Delivery appears in 100.0% of builds with a 62.49% win rate, Cosmic Insight appears in 100.0% of builds with a 62.49% win rate, Ultimate Hunter appears in 50.0% of builds with a 76.00% win rate when paired with Glacial Augment.

When to Pick Glacial Augment

Glacial Augment is a Inspiration tree rune with a 49.05% win rate and 1.14% pick rate in the current patch. It's most effective on Support champions (67% of users). The most popular champions using Glacial Augment are Blitzcrank, Rakan.

Strengths

  • Situationally powerful when used on the right champions
  • Excellent synergy with Rakan (76.00% WR)
  • Strong synergy with Biscuit Delivery (100.0% pairing rate)
  • Scales well into late game teamfights

Weaknesses

  • Below average win rate suggests situational use is best
  • Weaker early game requires safe laning phase
  • Less effective on Tank champions
  • Other Inspiration runes may outperform in specific matchups

Strategic Tips

1

Champion Selection

Pick Glacial Augment on champions like Blitzcrank that can fully utilize its effects. Avoid picking it on champions where other Inspiration runes provide more value.

2

Rune Synergies

Pair Glacial Augment with Biscuit Delivery and Cosmic Insight for the highest win rate combinations.

3

Game Phase Focus

Glacial Augment scales into the late game. Focus on farming safely and reaching your power spikes before committing to fights.

These runes are part of the same Inspiration rune tree as Glacial Augment. Unsealed Spellbook, First Strike, Hextech Flashtraption, and 8 more runes can be combined with Glacial Augment in your rune page.

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Glacial Augment - Frequently Asked Questions

What is Glacial Augment and what does it do in League of Legends?

Glacial Augment is a rune in the Inspiration rune tree. It currently has a 49.05% win rate and 1.14% pick rate across 2 champions in ranked play.

Is Glacial Augment good in the current meta?

Glacial Augment has a 49.05% win rate in the current patch, making it situationally useful. The most popular champions using Glacial Augment are Rakan, Blitzcrank.

What champion class benefits most from Glacial Augment?

Support champions benefit most from Glacial Augment, making up 67% of its usage. Tank (33%) and also commonly use this rune.

What runes pair well with Glacial Augment?

The best runes to pair with Glacial Augment are Biscuit Delivery, Cosmic Insight, Ultimate Hunter. Biscuit Delivery appears in 100.0% of builds featuring Glacial Augment with a 62.49% combined win rate.

Which champion has the highest win rate with Glacial Augment?

Rakan currently has the highest win rate with Glacial Augment at 50.78%, with a 1.44% pick rate in ranked games.