Jayce Build Guides, Runes and Items

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Jayce Build & Runes

If you're looking for the best rune build for Jayce we've got you covered. Below you can find the best items and runes to build for Jayce, as determined by calculations of thousands of Plat+ League of Legends games. If you are already familiar with how to play Jayce this is a great resource to quickly get a good rune selection for Patch 14.11. However, if you are a new Jayce player we highly recommend reading through some of the guides above to learn why this build is strong on Jayce!

Our Stats Powered By

Patch 14.11: 36,813 matches scanned * Each section of the build is rated independently of the others

Precision

Inspiration

Second Best

49%

Win Rate 31% Pickrate

Sorcery

Inspiration

Third Best

47%

Win Rate 19% Pickrate

Inspiration

Sorcery

Second Best

50%

Win Rate 4% Pickrate

Third Best

47%

Win Rate 0% Pickrate

Second Best

41%

Win Rate 5% Pickrate

Third Best

44%

Win Rate 3% Pickrate

Second Best

51%

Win Rate 8% Pickrate

Third Best

54%

Win Rate 6% Pickrate

Passive Ability

Second Best

49%

Win Rate 17% Pickrate

Passive Ability

Third Best

48%

Win Rate 15% Pickrate

Passive Ability

Our Stats Powered By

Patch 14.11: 36,813 matches scanned * Each section of the build is rated independently of the others

Inspiration

Sorcery

Second Best

48%

Win Rate 31% Pickrate

Sorcery

Inspiration

Third Best

50%

Win Rate 17% Pickrate

Domination

Precision

Second Best

50%

Win Rate 19% Pickrate

Third Best

41%

Win Rate 0% Pickrate

Second Best

43%

Win Rate 7% Pickrate

Third Best

46%

Win Rate 5% Pickrate

Second Best

53%

Win Rate 7% Pickrate

Third Best

63%

Win Rate 6% Pickrate

Passive Ability

Second Best

51%

Win Rate 16% Pickrate

Passive Ability

Third Best

52%

Win Rate 15% Pickrate

Passive Ability

Jayce Counters

Learn Jayce's counters and discover matchups where they have an advantage! When you're starting a game of League of Legends you should always keep in mind if you'll be at an advantage or disadvantage against your opponent, so you can know whether to bully them or play safe. You can find detailed breakdowns of each matchup on CounterStats, and you can also check out some Jayce guides to see how to build and play against other champions you may find yourself up against!

This counter data is for Jayce TOP in Plat+ games. The percent shown is the enemy champion's counter rating against Jayce. Counter rating is our own statistic that factors in counter kills, overall kills, early lead ratio, comeback ratio, and win percent to give the whole picture of that champion's effectiveness as a counter pick.

Counters powered by CounterStats

CR is Counter Rating, which is a combination of multiple counter factors. Counters shown are for Jayce Jayce TOP

More Jayce Counters

Jayce Skins

Find Jayce's skins and when they were last on sale. Never miss a sale for your favorite skin by using our Wish List feature! You can also find all Jayce skins and chromas on Jayce's skins page.

Skin Release Wishlist Popularity Cost

Zenith Games Jayce

September 9, 2022

+ Wishlist

Arcane Jayce

Special Events

November 8, 2021

+ Wishlist

Resistance Jayce

November 12, 2020

+ Wishlist

Battle Academia Jayce

May 15, 2019

+ Wishlist

Jayce Brighthammer

November 17, 2016

+ Wishlist

750

Forsaken Jayce

May 4, 2015

+ Wishlist

Debonair Jayce

February 12, 2013

+ Wishlist

975

Full Metal Jayce

July 7, 2012

+ Wishlist

Classic Jayce

Original

+ Wishlist

Jayce's Abilities

Hextech Capacitor Jayce's Passive

Jayce can swap between melee and ranged weapons using Mercury Cannon / Mercury Hammer starting from level 1. Swapping weapons also swaps all his abilities and grants him 40 movement speed for 0.75 seconds.

To The Skies! / Shock Blast Jayce's Q Ability

Mercury Hammer: Jayce leaps to an enemy, dealing 60 / 110 / 160 / 210 / 260 / 310 (+1.2 per attack damage) physical damage to surrounding enemies and slowing them by 30 / 35 / 40 / 45 / 50 / 55% for 2 seconds.

Mercury Cannon: Jayce fires an orb of electricity, dealing 55 / 110 / 165 / 220 / 275 / 330 (+1.2 per attack damage) physical damage to the first enemy hit and all surrounding enemies. Firing this orb through Acceleration Gate increases the range, speed and increases the damage by 40%.

Lightning Field / Hyper Charge Jayce's W Ability

Mercury Hammer Passive: Jayce's Hammer attacks grant 15 / 17 / 19 / 21 / 23 / 25 mana.

Mercury Hammer Active: Jayce creates an electric aura dealing 40 / 55 / 70 / 85 / 100 / 115 (+25% of ability power) magic damage over 4 seconds.

Mercury Cannon: Jayce overcharges his cannon, gaining maximum attack speed for his next 3 attacks. These attacks deal 70 / 78 / 86 / 94 / 102 / 110% physical damage.

Jayce's Thundering Blow / Acceleration Gate

Thundering Blow / Acceleration Gate Jayce's E Ability

Mercury Hammer: Jayce swings his hammer, knocking back and rooting his target during the cast time and dealing 8 / 10.8 / 13.6 / 16.4 / 19.2 / 22% of target's max health (+1.0 per bonus attack damage) magic damage.

Mercury Cannon: Jayce deploys an acceleration gate for 4 seconds that grants 30 / 35 / 40 / 45 / 50 / 55% movement speed decaying over 3 seconds to allied champions that pass through it.

Mercury Cannon / Mercury Hammer Jayce's Ultimate (R) Ability

Mercury Cannon: Jayce transforms his weapon into the Mercury Hammer, becoming melee ranged and gaining new abilities and 5 / 15 / 25 / 35 (+0.075 per bonus attack damage) armor and magic resist. Jayce's next attack deals an additional 25 / 65 / 105 / 145 (+0.25 per bonus attack damage) magic damage (depending on level).

Mercury Hammer: Jayce transforms his weapon into the Mercury Cannon, gaining attack range and new abilities. Jayce's next attack removes 10 / 15 / 20 / 25% armor and magic resist for 5 seconds.

To The Skies! Jayce's Q Ability

600

Jayce leaps to an enemy, dealing 60 / 110 / 160 / 210 / 260 / 310 (+1.2 per attack damage) physical damage to surrounding enemies and slowing them by 30 / 35 / 40 / 45 / 50 / 55% for 2 seconds.

Cooldown: 16 / 14 / 12 / 10 / 8 / 6

Shock Blast Jayce's Q Ability

1050

Jayce fires an orb of electricity, dealing 55 / 110 / 165 / 220 / 275 / 330 (+1.2 per attack damage) physical damage to the first enemy hit and all surrounding enemies. Firing this orb through Acceleration Gate increases the range, speed and increases the damage by 40%.

Mana: 55 / 60 / 65 / 70 / 75 / 80

Lightning Field Jayce's W Ability

350

Passive: Jayce's Hammer attacks grant 15 / 17 / 19 / 21 / 23 / 25 mana.

Active: Jayce creates an electric aura dealing 40 / 55 / 70 / 85 / 100 / 115 (+25% of ability power) magic damage over 4 seconds.

Hyper Charge Jayce's W Ability

Jayce overcharges his cannon, gaining maximum attack speed for his next 3 attacks. These attacks deal 70 / 78 / 86 / 94 / 102 / 110% physical damage.

Cooldown: 13 / 11.4 / 9.8 / 8.2 / 6.6 / 5

Thundering Blow Jayce's E Ability

240

Jayce swings his hammer, knocking back and rooting his target during the cast time and dealing 8 / 10.8 / 13.6 / 16.4 / 19.2 / 22% of target's max health (+1.0 per bonus attack damage) magic damage.

Cooldown: 20 / 18 / 16 / 14 / 12 / 10

Acceleration Gate Jayce's E Ability

650

Jayce deploys an acceleration gate for 4 seconds that grants 30 / 35 / 40 / 45 / 50 / 55% movement speed decaying over 3 seconds to allied champions that pass through it.

Mercury Cannon Jayce's Ultimate (R) Ability

Jayce transforms his weapon into the Mercury Cannon, gaining attack range and new abilities. Jayce's next attack removes 10 / 15 / 20 / 25% armor and magic resist for 5 seconds.

Mercury Hammer Jayce's Ultimate (R) Ability

Jayce transforms his weapon into the Mercury Hammer, becoming melee ranged and gaining new abilities and 5 / 15 / 25 / 35 (+0.075 per bonus attack damage) armor and magic resist. Jayce's next attack deals an additional 25 / 65 / 105 / 145 (+0.25 per bonus attack damage) magic damage (depending on level).

Questions About Jayce