What changed for Jax?

5 changes across 2 patches (Jun 9, 2026 to Aug 25, 2026), newest first.

1. Aug 25, 2026League of Legends Patch 26.17Adjust 3Official notes ↗
   Adjust

   League Classic Q - Leap Strike · Damage Type

   Jax's Leap Strike (Q) now deals magic damage instead of physical damage.

   Physical→Magic

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   Damage Type: Physical → Magic

   Adjust

   League Classic R - Relentless Assault · Ability Name

   Jax's R is renamed from Grandmaster's Might to Relentless Assault.

   Grandmaster's Might→Relentless Assault

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   Ability Name: Grandmaster's Might → Relentless Assault

   Adjust

   League Classic R - Relentless Assault · Spell Effects

   Jax's Relentless Assault (R) now applies spell effects as a single-target spell.

   Now applies spell effects as a single-target spell

   Source line

   Spell Effects: Now applies spell effects as a single-target spell.

2. Jun 9, 2026League of Legends Patch 26.12Buff 2Official notes ↗
   Buff

   Summoner's Rift Q - Leap Strike · Mana Cost

   Mana cost on Jax's Leap Strike (Q) decreases from 65 to 50.

   65→50

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   Mana Cost: 65 → 50

   Buff

   Summoner's Rift E - Counter Strike · Target Max Health Damage

   Target max health damage on Jax's Counter Strike (E) increases from 3.5% minimum / 7% maximum to 4% minimum / 8% maximum.

   3.5% minimum damage / 7% maximum damage→4% minimum damage / 8% maximum damage

   Source line

   Target Max Health Damage: 3.5% minimum damage / 7% maximum damage → 4% minimum damage / 8% maximum damage