Jayce

The Defender of Tomorrow · Artillery

View builds

Summoner's Rift ARAM Arena Nexus Blitz URF One for All Swiftplay Ultimate Spellbook

Changes in ARAM

+5% damage dealt

Abilities

PassiveHextech Capacitor

When Jayce swaps weapons he gains Move Speed for a short duration.

QTo the Skies! / Shock Blast16/14/12/10/8/6s40

Hammer Stance: Leaps to an enemy dealing physical damage and slowing enemies. Cannon Stance: Fires an orb of electricity that detonates upon hitting an enemy (or reaching the end of its path) dealing physical damage to all enemies hit.

WLightning Field / Hyper Charge10s40

Hammer Stance: Passive: Restores Mana per strike. Active: Creates a field of lightning damaging nearby enemies for several seconds. Cannon Stance: Gains a burst of energy, increasing Attack Speed to maximum for several attacks.

E

Thundering Blow / Acceleration Gate

20/18/16/14/12/10s

55

Hammer Stance: Deals magic damage to an enemy and knocks them back a short distance. Cannon Stance: Deploys an Acceleration Gate increasing the Move Speed of all allied champions who pass through it. If Shock Blast is fired through the gate the missile speed, range, and damage will increase.

RMercury Cannon / Mercury Hammer6s

Hammer Stance: Transforms the Mercury Hammer into the Mercury Cannon gaining new abilities and increased range. The first attack in this form reduces the target's Armor and Magic Resist. Cannon Stance: Transforms the Mercury Cannon into the Mercury Hammer gaining new abilities and increasing Armor and Magic Resist. The first attack in this form deals additional magic damage.

Patch history

26.17 · Aug 26, 2026

Shock Blast
Bug Fix: Fixed a bug where the enhanced damage was not properly displayed as enhanced damage.

26.14 · Jul 15, 2026

Hextech Capacitor
Bonus movement speed reduced to 30 from 40.
Transform Mercury Hammer
Base resistances reduced to 5 to 26 from 5 to 35.

26.9 · Apr 29, 2026

Shock Blast
Bug Fix: Extended tooltip no longer additionally displays To the Skies! tooltip above it.

26.3 · Feb 4, 2026

To the Skies!
Base damage increased to 60 to 310 from 60 to 285.
Bonus monster damage reduced to 10 from 25.
Shock Blast
Base damage reduced to 80 to 285 from 80 to 310.
Bonus AD ratio reduced to 130% bonus AD from 140%.
Bonus monster damage reduced to 10 from 25.
Transform Mercury Cannon
Resistance reduction increased to 20% to 35% from 10% to 25%.

26.2 · Jan 22, 2026

To the Skies!
Bonus monster damage reduced to 25 from 50.
Shock Blast
Bonus monster damage reduced to 25 from 50.

35 older patches

25.23 · Nov 19, 2025

To the Skies!
New Effect: Now deals 50 bonus physical damage to monsters.
Shock Blast
New Effect: Now deals 50 bonus physical damage to monsters.

25.18 · Sep 10, 2025

Shock Blast
Base damage increased to 80 to 310 from 60 to 310.
Acceleration Gate damage increased to 112 to 434 from 84 to 434.

25.17

Base stats

Health590 +109/lvl
Mana375 +45/lvl
Attack Damage59 +4.25/lvl
Attack Speed0.658 +3/lvl
Armor22 +5/lvl
Magic Resist30 +1.3/lvl
Base Health Regen6 +0.6/lvl
Base Mana Regen6 +0.8/lvl
Move Speed335
Range125

Ranged · Resource: Mana

· Aug 27, 2025

General
Bug Fix: Other players no longer see a debug icon on his status bar in his target frame.
Arcane Inventor Jayce
Transform Mercury Cannon
Bug Fix: Restored empowered attack primed SFX.

25.14 · Jul 16, 2025

General
Default range type changed to ranged from melee.
[Note: Jayce starts the game in melee form, so this is automatically overriden.]

25.4

Shock Blast
Bug Fix: Corrected the projectile's rendering when it passes over impassable terrain and structures.
Hyper Charge
Bonus attack speed increased to 360% from 300%.

14.24

General
Bug Fix: No longer has a "jayceismelee" buff on the status bar, which also had an empty icon, while in Hammer form.
Arcane Inventor Jayce
Renamed to Arcane Inventor from Arcane.

14.18

To the Skies!
Slow increased to 35 to 60% from 30 to 55%.
Acceleration Gate
Bonus movement speed increased to 35 to 60% from 30 to 55%.

14.14

Shock Blast
Base damage increased to 60 to 335 from 55 to 330.
Bonus AD ratio increased to 125% bonus AD from 120%.
Thundering Blow
Bug Fix: Now always turns him to face its target upon using the ability.

14.9

Stats
Selection radius increased to 120 units from 75.

14.4

Stats
Base attack damage increased to 59 from 57.
Lightning Field
Mana restoration increased to 15 to 25 from 10 to 20.
Base damage per tick increased to 40 to 115 from 35 to 110.
Total base damage increased to 160 to 460 from 140 to 440.
Thundering Blow
New Effect: Now roots the target during the cast time.

14.2

Thundering Blow
Knock back distance increased to 600 units from 500.
Removed: No longer has a fixed displacement location for the target.

13.18

General
Updated ability icons.

13.1

Stats
Base attack damage increased to 57 from 54.
To the Skies!
Base damage increased to 60 to 310 from 55 to 280.
Lightning Field
Base damage per tick increased to 35 to 110 from 25 to 100.
Total base damage increased to 140 to 440 from 100 to 400.

12.20

Lightning Field
Mana restore increased to 10 to 20 from 6 to 16.
Transform Mercury Hammer
New Effect: Bonus resistances now scale with 7.5% bonus AD.

12.16

To the Skies!
Base damage increased to 55 to 280 from 55 to 255.
Thundering Blow
Base damage increased to 8 to 22% of target's maximum health from 8 to 20%.

12.10

Stats
Base health increased to 590 from 520.
Health growth increased to 109 from 95.
Armor growth increased to 5 from 3.8.
Magic resistance growth increased to 1.3 from 0.5.

12.7

Stats
Base health reduced to 520 from 560.
Base armor reduced to 22 from 27.
Health growth increased to 95 from 90.
Armor growth increased to 3.8 from 3.5.

11.22

General
Updated sound and visual effects.
Base Jayce's voice lines have been remastered for clarity and quality.
Basic attack missiles and hits are now unique between ranged and melee stances. Added new critical hit VFX.
New Recall SFX.
Hextech Capacitor
Modernized visuals for reduced noise and clarity.
To the Skies!
Modernized visuals. Added clarity to match AoE size.
Shock Blast
New projectiles and explosions. Added burst when projectile supercharges.
Lightning Field
Modernized visuals with better defined AoE edge. Reduced noise to match damage level.
Hyper Charge
Removed noise.
Thundering Blow
Modernized visuals; added directionality on knockback
Acceleration Gate
Modernized visuals.

11.18

Hextech Capacitor
Bonus movement speed and ghosting duration reduced to 0.75 seconds from 1.25.

11.9

Hyper Charge
Bug Fix: Fixed bug where it would not update his attack speed correctly.

11.8

Transform Mercury Cannon
Bug Fix: Kraken Slayer Bring it Down now properly triggers in ranged form's basic attacks.
Acceleration Gate
Undocumented: Rescripted. Shock Blast no longer searches for allied minions to find the effect area.

11.5

Acceleration Gate
Bug Fix: Fixed a bug where he would gain 2 Muramanas if he upgraded Manamune while casting Acceleration Gate on an ally.

10.4

Stats
Base mana increased to 375 from 357.2.
Mana growth increased to 45 from 37.
To the Skies!
Base damage increased to 55 to 255 from 45 to 220.

10.3

General
Undocumented: No longer swaps out Ultimate Hunter with Relentless Hunter.
Transform Mercury Cannon / Transform Mercury Hammer
Bug Fix: Cooldown now properly reduces by 10% when he has the Cloudbringer's Grace buff.

10.2

General
Undocumented: Now swaps out Ultimate Hunter with Relentless Hunter.

10.1

Shock Blast
Base damage increased to 55 to 330 from 55 to 305.

9.18

Acceleration Gate
Bug Fix: Now properly functions when cast on top of him.

9.15

Acceleration Gate
Bug Fix: No longer causes small hitches to characters on or sometimes off-screen when cast.

9.14

Stats
Base attack damage reduced to 54 from 58.
Attack damage growth increased to 4.25 from 3.5.
Shock Blast
Base damage changed to 55 to 305 from 70 to 295.
Bonus AD ratio increased to 120% bonus AD from 100%.

9.11

Shock Blast
Base damage reduced to 70 to 295 from 70 to 320.
Bonus AD ratio reduced to 100% bonus AD from 120%.

9.8

To the Skies!
Bug Fix: Range/cast indicator now appears correctly.
Thundering Blow
Bug Fix: Range/cast indicator now appears correctly.

9.6

Stats
Base health reduced to 560 from 576.
Health growth reduced to 90 from 95.
Base health regeneration reduced to 6 from 7.5.
Health regeneration growth reduced to 0.6 from 0.8.
Lightning Field
New Effect: Now triggers effects that are triggered by DoT AoE abilities.

9.2

General
Bug Fix: Ranged basic attack animation has been fixed to synchronize with the attack's actual wind-up and launch.

9.1

Acceleration Gate
New Effect: If Jayce casts Acceleration Gate during Shock Blast cast time, he'll now ignore movement commands until both abilities have been cast.

8.24

General
Bug Fix: Fixed a bug causing the audio on his basic attacks to sometimes be missing.