- Win Rate
- 50.7%
- Pick Rate
- 5.3%
- Ban Rate
- 7.2%
Thresh Support Runes: Keystone & Shards
- Patch
- 26.19
- Games
- 10,599
- Lane
- Support
- Tier
- All Tiers
- Last Updated
- Oct 9, 2026 UTC
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
Best Support Thresh runes for LoL Patch 26.19 - Glacial Augment from the Inspiration tree with Resolve secondary (77.8% WR, 0.2% pick rate). Thresh's optimal primary runes are Glacial Augment, Cash Back, Biscuit Delivery, Cosmic Insight. Secondary tree: Bone Plating, Unflinching.
Primary Tree
Inspiration
Glacial AugmentImmobilizing 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
Cash BackGet 7.5% Gold back when you purchase Legendary Items.
Biscuit DeliveryBiscuit Delivery: Gain a Total Biscuit of Everlasting Will every 2 mins, until 6 min.
Biscuits restore 20 + 2% of your maximum health, increased by up to 100% based on missing Health. Consuming or selling a Biscuit permanently increases your max health by 30.
Cosmic Insight+
+
Bone PlatingAfter taking damage from an enemy champion, the next 3 spells or attacks you receive from them deal 30-60 (based on level) less damage.
Duration: 1.5s
Cooldown: 55s
UnflinchingGain 10 Armor and Magic Resist when crowd controlled and for 2 seconds after.
Primary Tree
Resolve
GuardianGuard allies within 350 units of you, and allies you target with spells for 2.5s. While Guarding, if you or the ally take more than a small amount of damage over the duration of the Guard, both of you gain a shield for 1.5s.
Cooldown:
Shield:
Proc Threshold:
Font of LifeImpairing the movement of an enemy champion restores
70% effect for Ranged Users.
Cooldown: 20s
Bone PlatingAfter taking damage from an enemy champion, the next 3 spells or attacks you receive from them deal 30-60 (based on level) less damage.
Duration: 1.5s
Cooldown: 55s
UnflinchingGain 10 Armor and Magic Resist when crowd controlled and for 2 seconds after.
Biscuit DeliveryBiscuit Delivery: Gain a Total Biscuit of Everlasting Will every 2 mins, until 6 min.
Biscuits restore 20 + 2% of your maximum health, increased by up to 100% based on missing Health. Consuming or selling a Biscuit permanently increases your max health by 30.
Cosmic Insight+
+
Every Thresh Support Keystone and Secondary Tree (Patch 26.19)
10,154 gamesThresh Support runs Aftershock in 48% of games, with a 50.6% win rate. Inspiration is the usual secondary tree (74%). Standard stat shards: Adaptive Force (offense), Adaptive Force (flex), Health Scaling (defense).
Keystones
| Rune | Players | Win Rate | Games |
|---|---|---|---|
 AftershockMost played | 47.6% | 50.6% | 4,831 |
| Guardian | 29.7% | 52.8% | 3,020 |
| Glacial Augment | 19.8% | 48.0% | 2,014 |
 Grasp of the Undying | 0.6% | 43.8% | 64 |
 Unsealed Spellbook | 0.6% | 47.5% | 61 |
Secondary trees
| Rune | Players | Win Rate | Games |
|---|---|---|---|
| InspirationMost played | 73.7% | 51.6% | 7,481 |
| Resolve | 20.1% | 48.1% | 2,044 |
 Domination | 2.5% | 47.4% | 253 |
 Sorcery | 1.9% | 45.4% | 196 |
 Precision | 1.8% | 46.9% | 179 |
Pick rate is the share of Thresh games in this lane that used the rune; options under 40 games are left out. A higher win rate on a rarely picked rune is usually a matchup-specific choice, not a general upgrade.
Thresh Minor Runes by Tree
Every minor rune Thresh players take, grouped by rune tree, with how often it is picked and how often it wins.
Inspiration
| Rune | Players | Win Rate | Games |
|---|---|---|---|
| Cosmic InsightMost played | 91.0% | 50.8% | 9,238 |
| Biscuit Delivery | 84.1% | 50.5% | 8,539 |
 Hextech Flashtraption | 25.9% | 48.5% | 2,631 |
 Magical Footwear | 3.6% | 53.3% | 366 |
| Cash Back | 1.9% | 59.4% | 192 |
 Approach Velocity | 0.9% | 50.0% | 90 |
Resolve
| Rune | Players | Win Rate | Games |
|---|---|---|---|
| Bone PlatingMost played | 88.3% | 50.4% | 8,963 |
| Unflinching | 88.1% | 50.8% | 8,949 |
| Font of Life | 76.3% | 51.4% | 7,748 |
 Overgrowth | 7.7% | 49.3% | 779 |
 Second Wind | 6.5% | 54.6% | 657 |
 Conditioning | 2.7% | 50.5% | 277 |
Domination
| Rune | Players | Win Rate | Games |
|---|---|---|---|
 Relentless HunterMost played | 2.0% | 49.2% | 199 |
 Deep Ward | 1.5% | 52.3% | 153 |
 Cheap Shot | 1.1% | 44.9% | 107 |
 Ultimate Hunter | 0.8% | 40.7% | 81 |
Precision
| Rune | Players | Win Rate | Games |
|---|---|---|---|
 TriumphMost played | 1.1% | 49.1% | 116 |
 Legend: Haste | 1.1% | 45.9% | 111 |
 Legend: Alacrity | 0.8% | 42.7% | 82 |
 Presence of Mind | 0.7% | 40.5% | 74 |
 Coup de Grace | 0.6% | 39.7% | 63 |
Sorcery
| Rune | Players | Win Rate | Games |
|---|---|---|---|
 TranscendenceMost played | 1.0% | 52.4% | 105 |
 Manaflow Band | 0.8% | 43.2% | 81 |
 Celerity | 0.6% | 50.8% | 65 |
 Gathering Storm | 0.6% | 33.3% | 57 |
 Nimbus Cloak | 0.5% | 44.4% | 54 |
 Scorch | 0.5% | 55.8% | 52 |
Thresh Stat Shards
Which stat shards Thresh players choose in each of the three shard rows, and the win rate of each.
| Rune | Players | Win Rate | Games |
|---|---|---|---|
 Health Scaling (defense)Most played | 84.6% | 50.7% | 8,592 |
 Adaptive Force (flex) | 59.1% | 49.4% | 6,002 |
| Adaptive Force (offense) | 57.8% | 49.3% | 5,869 |
 Ability Haste (offense) | 38.5% | 52.6% | 3,910 |
| Health Scaling (flex) | 28.0% | 52.3% | 2,843 |
 Move Speed (flex) | 12.9% | 52.6% | 1,309 |
| Health (defense) | 10.1% | 51.1% | 1,023 |
 Tenacity and Slow Resist (defense) | 5.3% | 48.1% | 539 |
 Attack Speed (offense) | 3.7% | 51.2% | 375 |
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Thresh Runes FAQ - Patch 26.19
What is the best keystone for Thresh Support?
Aftershock: Thresh Support takes it in 48% of ranked games and wins 50.6% of 4,831 games. Alternatives: Guardian (30%, 52.8%), Glacial Augment (20%, 48.0%).
What stat shards should Thresh take?
Most Thresh players take Adaptive Force (offense), Adaptive Force (flex), Health Scaling (defense) — one from each shard row.
What are the best Thresh runes in patch 26.19?
The best Thresh runes in patch 26.19 use the Inspiration tree with Glacial Augment, Cash Back, Biscuit Delivery, and Cosmic Insight, and the Resolve tree with Bone Plating and Unflinching. This rune setup achieves a 77.8% win rate with a 0.2% pick rate.
What is the win rate for Thresh's best rune page?
Thresh's best rune page has a 77.8% win rate in patch 26.19, which is +27.0% compared to Thresh's average win rate. This rune setup has a 0.2% pick rate among Thresh players.
What keystone should I use on Thresh?
Glacial Augment from the Inspiration tree is the best keystone rune for Thresh in patch 26.19. This keystone synergizes well with Thresh's kit and provides a 77.8% win rate.
What is Thresh's primary rune tree?
Thresh's primary rune tree is Inspiration. The optimal Inspiration runes for Thresh are Glacial Augment, Cash Back, Biscuit Delivery, and Cosmic Insight, with Glacial Augment being the keystone of choice.
What is Thresh's secondary rune tree?
Thresh's best secondary rune tree is Resolve. The recommended Resolve runes are Bone Plating and Unflinching, which complement Thresh's Inspiration primary tree.
What are alternative rune setups for Thresh?
An alternative Thresh rune setup uses Guardian from the Resolve tree. This alternate build may be preferred in certain matchups or playstyles. Check the alternative rune page above for full details including win rate and pick rate.
How popular are Thresh's runes?
Thresh's top rune page has a 0.2% pick rate in patch 26.19. This indicates that 0.2% of Thresh players use the Glacial Augment setup with Inspiration and Resolve trees.