Win Rate: 50.2%
Pick Rate: 2.3%
Ban Rate: 5.0%

Swain Support Runes: Keystone & Shards

MageSupport

Patch: 26.20
Games: 2,955
Lane: Support
Tier: All Tiers
Last Updated: Oct 13, 2026 UTC
Methodology: Data Methodology
Author: Dakota Chinnick

Best Support Swain runes for LoL Patch 26.20 - Electrocute from the Domination tree with Precision secondary (51.4% WR, 24.4% pick rate). Swain's optimal primary runes are Electrocute, Cheap Shot, Grisly Mementos, Ultimate Hunter. Secondary tree: Coup de Grace, Presence of Mind.

Read MoreRead Less

Overview Build Runes Abilities Stats Counters Synergies Matchups Arena ARAM Tips Guide

Swain performs best with Electrocute as the keystone rune from the Domination tree. Swain's optimal primary runes are Electrocute, Cheap Shot, Grisly Mementos, Ultimate Hunter. Swain's secondary rune tree is Precision with Coup de Grace, Presence of Mind. This rune setup achieves a 51.39% win rate (+1.2% win rate difference) with a 24.4% pick rate across 720 Swain games.

51.4%Win Rate

+1.2%WR Diff

24.4%Pick Rate

Electrocute

Hitting a champion with 3 separate attacks or abilities within 3s deals bonus adaptive damage.

Damage: 70 - 240 (+0.1 bonus AD, +0.05 AP) damage.
Cooldown: 20s

'We called them the Thunderlords, for to speak of their lightning was to invite disaster.'

Cheap Shot

Damaging champions with impaired movement or actions deals 10 - 45 bonus true damage (based on level).

Cooldown: 4s
Activates on damage occurring after the impairment.

Grisly Mementos

Collect 1 memento on champion takedowns, up to 18 total.

Gain 6 Trinket Haste for each collected. In game modes where vision Trinkets do not exist, instead gain 3 Summoner Spell Haste.

Ultimate Hunter

Your ultimate gains 6 Ability Haste, plus an additional 5 Ability Haste per Bounty Hunter stack. Bounty Hunter stacks are earned the first time you get a takedown on each enemy champion.

Coup de Grace

Deal 8% more damage to champions who have less than 40% health.

Presence of Mind

Damaging an enemy champion restores 6-50 (80% for ranged) mana or 6 energy.

Takedowns restore 15% of your maximum mana or energy.

Cooldown for damage restoration: 8s

This alternative Swain rune build uses Conqueror as the keystone from the Precision tree. The primary runes are Conqueror, Presence of Mind, Legend: Haste, Last Stand. Swain's secondary rune tree is Resolve with Conditioning, Overgrowth. This setup achieves a 50.83% win rate (+0.6% win rate difference) with a 32.6% pick rate across 964 games.

50.8%Win Rate

+0.6%WR Diff

32.6%Pick Rate

Conqueror

Basic attacks or spells that deal damage to an enemy champion grant 2 stacks of Conqueror for 5s, gaining 1.8-4 Adaptive Force per stack. Stacks up to 12 times. Ranged champions gain only 1 stack per basic attack.

When fully stacked, heal for 8% of the damage you deal to champions (5% for ranged champions).

Presence of Mind

Damaging an enemy champion restores 6-50 (80% for ranged) mana or 6 energy.

Takedowns restore 15% of your maximum mana or energy.

Cooldown for damage restoration: 8s

Legend: Haste

Gain 1.5 basic ability haste for every Legend stack (max 10 stacks).

Earn progress toward Legend stacks for every champion takedown, epic monster takedown, large monster kill, and minion kill.

Last Stand

Deal 5% - 11% increased damage to champions while you are below 60% health. Max damage gained at 30% health.

Conditioning

After 12 min gain +8 Armor and +8 Magic Resist and increase your Armor and Magic Resist by 3%.

Overgrowth

Absorb life essence from monsters or enemy minions that die near you, permanently gaining 3 maximum health for every 8.

When you've absorbed 120 monsters or enemy minions, gain an additional 3.5% maximum health.

Every Swain Support Keystone and Secondary Tree (Patch 26.20)

2,849 games

Swain Support runs Conqueror in 45% of games, with a 51.1% win rate. Resolve is the usual secondary tree (45%). Standard stat shards: Adaptive Force (offense), Adaptive Force (flex), Health Scaling (defense).

Keystones

Rune	Players	Win Rate	Games
ConquerorMost played	44.9%	51.1%	1,279
Electrocute	44.4%	50.4%	1,265
Deathfire Touch	2.7%	48.7%	76
Dark Harvest	1.8%	52.0%	50
Summon Aery	1.5%	56.8%	44

Secondary trees

Rune	Players	Win Rate	Games
ResolveMost played	45.3%	51.4%	1,291
Precision	31.5%	50.5%	897
Inspiration	10.1%	47.4%	289
Sorcery	9.0%	47.5%	257
Domination	4.0%	50.4%	115

Pick rate is the share of Swain 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.

Swain Minor Runes by Tree

Every minor rune Swain players take, grouped by rune tree, with how often it is picked and how often it wins.

Precision

Rune	Players	Win Rate	Games
Presence of MindMost played	71.7%	50.9%	2,042
Legend: Haste	46.5%	50.8%	1,326
Last Stand	42.4%	50.8%	1,207
Coup de Grace	29.6%	51.4%	843
Triumph	4.3%	50.8%	122
Cut Down	2.8%	49.4%	79

Domination

Rune	Players	Win Rate	Games
Ultimate HunterMost played	48.0%	50.6%	1,367
Cheap Shot	47.7%	50.4%	1,360
Grisly Mementos	41.3%	50.8%	1,178
Deep Ward	3.7%	49.0%	104
Taste of Blood	1.9%	49.1%	53
Sixth Sense	1.7%	39.6%	48

Resolve

Rune	Players	Win Rate	Games
OvergrowthMost played	41.0%	51.2%	1,167
Conditioning	39.2%	52.1%	1,117
Bone Plating	5.1%	41.8%	146
Unflinching	2.9%	46.4%	84
Revitalize	2.6%	47.3%	74
Font of Life	2.2%	43.8%	64

Inspiration

Rune	Players	Win Rate	Games
Cosmic InsightMost played	9.1%	47.3%	260
Cash Back	8.2%	47.6%	233
Magical Footwear	2.5%	47.9%	71
Biscuit Delivery	2.0%	38.6%	57
Approach Velocity	1.5%	45.5%	44

Sorcery

Rune	Players	Win Rate	Games
TranscendenceMost played	8.1%	41.7%	230
Manaflow Band	6.8%	52.3%	193
Scorch	6.2%	54.8%	177
Axiom Arcanist	5.7%	42.9%	163
Gathering Storm	4.2%	39.5%	119
Celerity	1.9%	61.8%	55

Swain Stat Shards

Which stat shards Swain players choose in each of the three shard rows, and the win rate of each.

Rune	Players	Win Rate	Games
Adaptive Force (flex)Most played	89.3%	50.6%	2,544
Adaptive Force (offense)	88.7%	50.8%	2,527
Health Scaling (defense)	85.9%	50.5%	2,448
Ability Haste (offense)	9.9%	48.4%	283
Tenacity and Slow Resist (defense)	7.3%	53.6%	209
Health (defense)	6.7%	44.3%	192
Move Speed (flex)	6.2%	46.9%	177
Health Scaling (flex)	4.5%	48.4%	128

MetaBot Desktop

Get the Winning Edge

Real-time overlays, automatic match tracking, and exclusive tools — everything you need to climb, free on your PC.

In-game overlays
Automatic match tracking
Desktop-exclusive tools

Download for Windows More InfoFree download

🔍

Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.

Report an Issue

Swain Runes FAQ - Patch 26.20

What is the best keystone for Swain Support?

Conqueror: Swain Support takes it in 45% of ranked games and wins 51.1% of 1,279 games. Alternatives: Electrocute (44%, 50.4%), Deathfire Touch (3%, 48.7%).

What stat shards should Swain take?

Most Swain players take Adaptive Force (offense), Adaptive Force (flex), Health Scaling (defense) — one from each shard row.

What are the best Swain runes in patch 26.20?

The best Swain runes in patch 26.20 use the Domination tree with Electrocute, Cheap Shot, Grisly Mementos, and Ultimate Hunter, and the Precision tree with Coup de Grace and Presence of Mind. This rune setup achieves a 51.4% win rate with a 24.4% pick rate.

What is the win rate for Swain's best rune page?

Swain's best rune page has a 51.4% win rate in patch 26.20, which is +1.2% compared to Swain's average win rate. This rune setup has a 24.4% pick rate among Swain players.

What keystone should I use on Swain?

Electrocute from the Domination tree is the best keystone rune for Swain in patch 26.20. This keystone synergizes well with Swain's kit and provides a 51.4% win rate.

What is Swain's primary rune tree?

Swain's primary rune tree is Domination. The optimal Domination runes for Swain are Electrocute, Cheap Shot, Grisly Mementos, and Ultimate Hunter, with Electrocute being the keystone of choice.

What is Swain's secondary rune tree?

Swain's best secondary rune tree is Precision. The recommended Precision runes are Coup de Grace and Presence of Mind, which complement Swain's Domination primary tree.

What are alternative rune setups for Swain?

An alternative Swain rune setup uses Conqueror from the Precision 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 Swain's runes?

Swain's top rune page has a 24.4% pick rate in patch 26.20. This indicates that 24.4% of Swain players use the Electrocute setup with Domination and Precision trees.