- Win Rate
- 49.5%
- Pick Rate
- 0.4%
- Ban Rate
- 2.6%
Amumu Support Runes: Keystone & Shards
- Patch
- 26.20
- Games
- 287
- Lane
- Support
- Tier
- All Tiers
- Last Updated
- Oct 18, 2026 UTC
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
Best Support Amumu runes for LoL Patch 26.20 - Aftershock from the Resolve tree with Domination secondary (50.0% WR, 57.1% pick rate). Amumu's optimal primary runes are Aftershock, Font of Life, Bone Plating, Unflinching. Secondary tree: Cheap Shot, Ultimate Hunter.
Primary Tree
Resolve
AftershockAfter immobilizing an enemy champion, increase your Armor and Magic Resist by 45 + 75% of your Bonus Resists for 2.5s. Then explode, dealing magic damage to nearby enemies.
Damage: 25 - 120 (+8% of your bonus health)
Cooldown: 20s
Resistance bonus from Aftershock capped at: 80-150 (based on level)
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.
Cheap ShotDamaging champions with impaired movement or actions deals 10 - 45 bonus true damage (based on level).
Cooldown: 4s
Ultimate HunterYour ultimate gains
Primary Tree
Secondary Tree
Every Amumu Support Keystone and Secondary Tree (Patch 26.20)
378 gamesAmumu Support runs Aftershock in 74% of games, with a 52.5% win rate. Domination is the usual secondary tree (78%). Standard stat shards: Adaptive Force (offense), Adaptive Force (flex), Health Scaling (defense).
Keystones
| Rune | Players | Win Rate | Games |
|---|---|---|---|
| AftershockMost played | 74.1% | 52.5% | 280 |
 Conqueror | 18.8% | 56.3% | 71 |
Secondary trees
| Rune | Players | Win Rate | Games |
|---|---|---|---|
 DominationMost played | 78.0% | 53.6% | 295 |
| Resolve | 12.2% | 52.2% | 46 |
Pick rate is the share of Amumu 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.
Amumu Minor Runes by Tree
Every minor rune Amumu players take, grouped by rune tree, with how often it is picked and how often it wins.
Domination
| Rune | Players | Win Rate | Games |
|---|---|---|---|
| Ultimate HunterMost played | 79.6% | 53.5% | 301 |
| Cheap Shot | 76.5% | 55.0% | 289 |
Resolve
| Rune | Players | Win Rate | Games |
|---|---|---|---|
| Font of LifeMost played | 72.2% | 53.5% | 273 |
| Bone Plating | 69.8% | 52.3% | 264 |
| Unflinching | 69.6% | 52.1% | 263 |
 Overgrowth | 16.4% | 56.5% | 62 |
 Conditioning | 14.3% | 53.7% | 54 |
Precision
| Rune | Players | Win Rate | Games |
|---|---|---|---|
 TriumphMost played | 20.1% | 56.6% | 76 |
 Legend: Haste | 19.3% | 56.2% | 73 |
 Last Stand | 19.0% | 55.6% | 72 |
Amumu Stat Shards
Which stat shards Amumu 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 | 90.7% | 53.4% | 343 |
 Adaptive Force (flex) | 89.7% | 54.0% | 339 |
| Adaptive Force (offense) | 83.1% | 53.2% | 314 |
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Amumu Runes FAQ - Patch 26.20
What is the best keystone for Amumu Support?
Aftershock: Amumu Support takes it in 74% of ranked games and wins 52.5% of 280 games. Alternatives: Conqueror (19%, 56.3%).
What stat shards should Amumu take?
Most Amumu players take Adaptive Force (offense), Adaptive Force (flex), Health Scaling (defense) — one from each shard row.
What are the best Amumu runes in patch 26.20?
The best Amumu runes in patch 26.20 use the Resolve tree with Aftershock, Font of Life, Bone Plating, and Unflinching, and the Domination tree with Cheap Shot and Ultimate Hunter. This rune setup achieves a 50.0% win rate with a 57.1% pick rate.
What is the win rate for Amumu's best rune page?
Amumu's best rune page has a 50.0% win rate in patch 26.20, which is +0.5% compared to Amumu's average win rate. This rune setup has a 57.1% pick rate among Amumu players.
What keystone should I use on Amumu?
Aftershock from the Resolve tree is the best keystone rune for Amumu in patch 26.20. This keystone synergizes well with Amumu's kit and provides a 50.0% win rate.
What is Amumu's primary rune tree?
Amumu's primary rune tree is Resolve. The optimal Resolve runes for Amumu are Aftershock, Font of Life, Bone Plating, and Unflinching, with Aftershock being the keystone of choice.
What is Amumu's secondary rune tree?
Amumu's best secondary rune tree is Domination. The recommended Domination runes are Cheap Shot and Ultimate Hunter, which complement Amumu's Resolve primary tree.
What are alternative rune setups for Amumu?
An alternative Amumu rune setup uses alternative keystone from the Primary 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 Amumu's runes?
Amumu's top rune page has a 57.1% pick rate in patch 26.20. This indicates that 57.1% of Amumu players use the Aftershock setup with Resolve and Domination trees.