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PASSIVE
RELENTLESS ASSAULT
INNATE: Jax's basic attacks on-attack grant him a stack of Relentless Assault for 2.5 seconds, stacking up to 8 times, with the duration refreshing on subsequent attacks. Each stack grants him Attack speed icon.png 3.5% − 11% (based on level) bonus attack speed, for a maximum of 28% − 88% (based on level) bonus attack speed at 8 stacks.

Stacks are deducted one at a time every 0.25 seconds after not attacking for 2.5 seconds.

Leap Strike

ACTIVE: Jax dashes to the target unit's location.

If the target is an enemy and they are in range upon arrival, Jax deals physical damage to them.

PHYSICAL DAMAGE:
65 / 105 / 145 / 185 / 225 (+ 100% bonus AD) (+ 60% AP)
Jax will attempt to automatically basic attack his target at the end of the dash.

Empower

ACTIVE: Jax's next basic attack on non-Turret icon.png structures or Leap Strike Leap Strike if used on an enemy within 10 seconds deals bonus magic damage. If Empower is used on a basic attack, it will gain Range icon.png 50 bonus range.

MAGIC DAMAGE:
40 / 75 / 110 / 145 / 180 (+ 60% AP)
Empower Bladework.png resets Jax's basic attack timer.

Counter Strike

ACTIVE: Jax enters Evasion, a defensive stance, for 2 seconds, causing all non-Turret icon.png turret basic attacks against him to be Counter Strike.png dodged. Jax also takes 25% Damage reduction icon.png reduced damage from all area of effect abilities sourced from Champion icon.png champions. Counter Strike can be recast after 1 second.

At the end of the duration, Jax Stun icon.png stuns all nearby enemies for 1 second and deals physical damage to them, increased by 20% for each attack dodged, up to a 100% increase.

MINIMUM PHYSICAL DAMAGE:»
55 / 80 / 105 / 130 / 155 (+ 50% bonus AD)
RECAST: Jax ends Counter Strike early.

Grandmaster's Might

PASSIVE: Jax's basic attacks on-hit grant a stack for 2.5 seconds, stacking up to 2 times, and refreshing the duration on subsequent attacks. At 2 stacks, Jax's next basic attack on-hit consumes the stacks to deal bonus magic damage.

MAGIC DAMAGE:
100 / 140 / 180 (+ 70% AP)
ACTIVE: Jax gains bonus Armor icon.png armor and Magic resistance icon.png magic resistance for 8 seconds.

BONUS ARMOR:
30 / 50 / 70 (+ 50% bonus AD)
BONUS MAGIC RESISTANCE:
30 / 50 / 70 (+ 20% AP)