Glacial Augment rune icon - League of Legends

Win Rate: 49.3%
Pick Rate: 1.3%

Glacial Augment Win Rate & Stats

InspirationKeystone

Patch: 26.19
Games with rune: 5,716
Lane: All Lanes
Tier: All Tiers
Last Updated: Oct 5, 2026 UTC
Methodology: Data Methodology
Author: Dakota Chinnick

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

Glacial Augment win rate by patch

Patch 26.10 – 26.19

Glacial Augment is at 49.30% in Patch 26.19, down 0.88 points from 26.18. Its best patch in this window was 26.15 (51.04%).

47.6%

48.8%

50.0%

51.2%

52.4%

0.6%

0.9%

1.2%

1.5%

1.8%

Patch	Win Rate	Change	Pick Rate	Games
26.19	49.30%	−0.88	1.26%	5,716
26.18	50.18%	+0.40	1.29%	12,891
26.17	49.79%	−0.39	1.36%	6,801
26.16	50.17%	−0.87	1.39%	6,960
26.15	51.04%	+1.99	1.33%	6,669
26.14	49.05%	−0.78	1.15%	5,676
26.13	49.82%	−0.15	1.17%	11,697
26.12	49.97%	−0.35	1.19%	3,902
26.11	50.33%	+0.84	1.18%	9,122
26.10	49.49%	—	1.09%	10,913

Glacial Augment win rate by lane

All ranks

Support49.6% · 5,508 games
Jungle46.8% · 126 games

Glacial Augment win rate by rank

Glacial Augment does best in Iron at 55.0%.

55.0%

48.0%

51.1%

49.7%

49.9%

50.8%

—

Ranks with fewer than 100 games show no win rate.

Glacial Augment per-minute stats

Average per-minute stats of players using Glacial Augment, against the average of the runes in its row.

Stat	Glacial Augment	Row average	Δ vs row
Damage to champions	341	739	−53.8%
Healing	168	186	−9.9%
Damage mitigated	950	610	+55.8%
Objective damage	102	386	−73.5%
Kills	0.070	0.211	−66.7%
Deaths	0.225	0.218	+3.4%

Glacial Augment win rate by game length

Glacial Augment scales: 50.7% in games over 35 minutes vs 49.1% in games of 25 or less.

47.1%

50.2%

50.1%

47.2%

50.3%

53.0%

52.4%

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Glacial Augment stats FAQ – Patch 26.19

What is Glacial Augment's win rate in Patch 26.19?

Glacial Augment has a 49.30% win rate and a 1.26% pick rate over 5,716 ranked games in Patch 26.19. That is down 0.88 points from Patch 26.18.

At which rank is Glacial Augment best?

Glacial Augment performs best in Iron, with a 55.0% win rate.

Is Glacial Augment better early or late?

Late: Glacial Augment wins 50.7% of games past 35 minutes vs 49.1% of games that end by 25.