Jax - League of Legends Champion
Win Rate
50.4%
Pick Rate
4.2%

JaxRunes

BFighter
Patch26.5
Matches469,660
LaneAll Lanes
TierAll Tiers
Last UpdatedMar 17, 2026
MethodologyData Methodology

Best Jax runes for LoL Patch 26.5 - Grasp of the Undying from the Resolve tree with Sorcery secondary (80.0% WR, 0.2% pick rate). Jax's optimal primary runes are Grasp of the Undying, Demolish, Second Wind, Overgrowth. Secondary tree: Manaflow Band, Transcendence.

Jax performs best with Grasp of the Undying as the keystone rune from the Resolve tree. Jax's optimal primary runes are Grasp of the Undying, Demolish, Second Wind, Overgrowth. Jax's secondary rune tree is Sorcery with Manaflow Band, Transcendence. This rune setup achieves a 80.00% win rate (+29.6% win rate difference) with a 0.2% pick rate across 15 Jax games.
80.0%Win Rate
+29.6%WR Diff
0.2%Pick Rate
Grasp of the UndyingGrasp of the Undying

Every 4s in combat, your next basic attack on a champion will:

  • Deal bonus magic damage equal to 3.5% of your max health
  • Heal you for 1.3% of your max health
  • Permanently increase your health by 5
    Ranged Champions: Damage, healing, and permanent health gained are 40% effective.

  • DemolishDemolish

    Your third attack against towers deals [85 (+28% max Health) Melee || 50 (+20% max Health) Ranged] bonus physical damage.

    Cooldown: 30s

    Second WindSecond Wind

    After taking damage from an enemy champion, heal for 4% of your missing health over 10s.

    OvergrowthOvergrowth

    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.

    Manaflow BandManaflow Band

    Hitting an enemy champion with an ability permanently increases your maximum mana by 25, up to 250 mana.

    After reaching 250 bonus mana, restore 1% of your missing mana every 5 seconds.

    Cooldown: 15 seconds

    TranscendenceTranscendence

    Gain bonuses upon reaching the following levels:
    Level 5: +5 Ability Haste
    Level 8: +5 Ability Haste
    Level 11: On Champion takedown, reduce the remaining cooldown of basic abilities by 20%.

    This alternative Jax rune build uses Lethal Tempo as the keystone from the Precision tree. The primary runes are Lethal Tempo, Triumph, Legend: Alacrity, Last Stand. Jax's secondary rune tree is Inspiration with Magical Footwear, Cosmic Insight. This setup achieves a 63.64% win rate (+13.2% win rate difference) with a 0.5% pick rate across 44 games.
    63.6%Win Rate
    +13.2%WR Diff
    0.5%Pick Rate
    Lethal TempoLethal Tempo

    Attacking an enemy champion grants you [6% Melee || 4% Ranged] Attack Speed for 6 seconds, up to 6. At max stacks, deal [9 - 30 Melee || 6 - 24 Ranged] bonus adaptive damage On-Attack, increased by 1% per 1% Bonus Attack Speed.

    TriumphTriumph

    Takedowns restore 5% of your missing health, 2.5% of your max health, and grant an additional 20 gold.



    'The most dangerous game brings the greatest glory.'
    —Noxian Reckoner

    Legend: AlacrityLegend: Alacrity

    Gain 3% attack speed plus an additional 1.5% 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 StandLast Stand

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

    Magical FootwearMagical Footwear

    You get free Slightly Magical Footwear at 12 min, but you cannot buy boots before then. For each takedown you acquire the boots 45s sooner.

    Slightly Magical Footwear grants you an additional 10 Move Speed.

    Cosmic InsightCosmic Insight

    +18 Summoner Spell Haste
    +10 Item Haste

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    Jax Runes - Frequently Asked Questions

    What are the best Jax runes in patch 26.5?

    The best Jax runes in patch 26.5 use the Resolve tree with Grasp of the Undying, Demolish, Second Wind, and Overgrowth, and the Sorcery tree with Manaflow Band and Transcendence. This rune setup achieves a 80.0% win rate with a 0.2% pick rate.

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

    Jax's best rune page has a 80.0% win rate in patch 26.5, which is +29.6% compared to Jax's average win rate. This rune setup has a 0.2% pick rate among Jax players.

    What keystone should I use on Jax?

    Grasp of the Undying from the Resolve tree is the best keystone rune for Jax in patch 26.5. This keystone synergizes well with Jax's kit and provides a 80.0% win rate.

    What is Jax's primary rune tree?

    Jax's primary rune tree is Resolve. The optimal Resolve runes for Jax are Grasp of the Undying, Demolish, Second Wind, and Overgrowth, with Grasp of the Undying being the keystone of choice.

    What is Jax's secondary rune tree?

    Jax's best secondary rune tree is Sorcery. The recommended Sorcery runes are Manaflow Band and Transcendence, which complement Jax's Resolve primary tree.

    What are alternative rune setups for Jax?

    An alternative Jax rune setup uses alternative keystone 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 Jax's runes?

    Jax's top rune page has a 0.2% pick rate in patch 26.5. This indicates that 0.2% of Jax players use the Grasp of the Undying setup with Resolve and Sorcery trees.