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Jayce Build Guides, Runes and Items

Jayce The Defender of Tomorrow

Find the best Jayce build guides for League of Legends S12 Patch 12.15. The MOBAFire community works hard to keep their LoL builds and guides updated, and will help you craft the best Jayce build for the S12 meta. Learn more about Jayce's abilities, skins, or even ask your own questions to the community!

Season 12 Guides // Patch 12.15 & Patch 12.14
9.8
428
Votes
35
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Just Another Day On The Job! [12.13] [In-Depth] [Top][Mid]

Guide by Sentimental updated July 27, 2022
Season 12 Builds // Patch 12.15 & Patch 12.14
Rating Pending
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Booyarr123 Jayce top guide 12.14

Build by Booyarr123 updated July 30, 2022
Rating Pending
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

[12.14] Jungayce

Build by OskiBoreski14 updated July 29, 2022
Season 12 Guides // Other Patches
9.5
180
Votes
23
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

PATCH 12.13! Delete Squishies & Take Names with Jayce

Guide by desch3445 updated July 14, 2022
  • In-depth
9.2
617
Votes
47
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Sanun's Diamond Jayce Guide [TOP&MID]

Guide by sanun updated May 12, 2022
  • In-depth
9.2
95
Votes
6
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

[OUTDATED] Washed on Jayce but one day this will get revampe

Guide by peytonqt updated February 22, 2022
  • In-depth
8.7
13
Votes
1
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Season 12/Patch 12.7/ Everything you need to know about Jayce!

Guide by VituVonDoom updated April 27, 2022
  • In-depth
Rating Pending
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

So, you have watched Arcane

Guide by UlisesFRN updated July 14, 2022
  • In-depth
Rating Pending
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

ATK SPD Jayce

Guide by Guest updated February 15, 2022
  • Off-Meta
Rating Pending
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

The Less Intricate but more Passionate Guide to Jayce [12.2]

Guide by MrMeem45 updated January 27, 2022
Season 12 Builds // Other Patches
9.5
183
Votes
25
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Jayce Build

Build by Akotanya updated March 11, 2022
8.9
28
Votes
4
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

jayce is a bully

Build by mipey updated April 8, 2022
8.7
13
Votes
1
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Jayce Marksman Guide

Build by CC2 Dreyn updated March 11, 2022
8.7
9
Votes
0
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Jayce

Build by Guest updated November 17, 2021
Rating Pending
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Jayce Build and Runes Wild rift

Build by Guest updated January 10, 2022
7.3
5
Votes
1
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Support Jayce!

Build by Gigaszef69 updated January 3, 2022
  • Off-Meta
Rating Pending
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

[ V12.4 ] Bruizer/Tank Jayce

Build by NFROST updated February 27, 2022
  • Off-Meta
6.1
20
Votes
19
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

[12.5+] [FULL GUIDE] ALDEO'S S12 JAYCE GUIDE

Build by aldeo updated March 6, 2022
Rating Pending
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

jayce guide

Build by lorescute updated June 9, 2022
5.6
3
Votes
7
LoL Champion Jayce Build Guide
LoL Champion Jayce Build Guide

Jayce machine 1v10 season 12

Build by Guest updated January 15, 2022
1 2 3 4 5 6 7 8 29 50
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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 12.15. 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!

Patch 12.14: 438954 matches scanned * Each section of the build is rated independently of the others

Jayce's Runes

Jayce's Best Runes 48%

Win Rate 1580 Games

  • 1
  • 2
  • 3
Sorcery
LoL Path: Sorcery
LoL Rune: Phase Rush
Phase Rush
LoL Rune: Manaflow Band
Manaflow Band
LoL Rune: Absolute Focus
Absolute Focus
LoL Rune: Gathering Storm
Gathering Storm

Inspiration
LoL Path: Inspiration
LoL Rune: Magical Footwear
Magical Footwear
LoL Rune: Biscuit Delivery
Biscuit Delivery

Second Best

Jayce's 2nd Best Runes 60%

Win Rate 63 Games

Sorcery
LoL Path: Sorcery
LoL Rune: Phase Rush
Phase Rush
LoL Rune: Manaflow Band
Manaflow Band
LoL Rune: Transcendence
Transcendence
LoL Rune: Gathering Storm
Gathering Storm

Inspiration
LoL Path: Inspiration
LoL Rune: Magical Footwear
Magical Footwear
LoL Rune: Biscuit Delivery
Biscuit Delivery

Third Best

Jayce's 3rd Best Runes 56%

Win Rate 80 Games

Inspiration
LoL Path: Inspiration
LoL Rune: First Strike
First Strike
LoL Rune: Magical Footwear
Magical Footwear
LoL Rune: Biscuit Delivery
Biscuit Delivery
LoL Rune: Cosmic Insight
Cosmic Insight

Domination
LoL Path: Domination
LoL Rune: Treasure Hunter
Treasure Hunter
LoL Rune: Taste of Blood
Taste of Blood

Jayce's Summoner Spells

Jayce's Best Summoner Spells 48%

Win Rate 7575 Games

  • 1
  • 2
  • 3

Second Best

Jayce's 2nd Best Summoner Spells 48%

Win Rate 4238 Games

Flash Ignite

Third Best

Jayce's 3rd Best Summoner Spells 47%

Win Rate 96 Games

Exhaust Flash

Jayce's Starters

Jayce's Best Starter Items 49%

Win Rate 3870 Games

  • 1
  • 2
  • 3

Second Best

Jayce's 2nd Best Starter Items 48%

Win Rate 3532 Games

Doran's Blade Health Potion

Third Best

Jayce's 3rd Best Starter Items 47%

Win Rate 1985 Games

Long Sword Health Potion

Trinket

Jayce's Best Trinket 45%

Win Rate 6497 Games

  • 1
  • 2
  • 3

Second Best

Jayce's 2nd Best Trinket 51%

Win Rate 4053 Games

Farsight Alteration

Third Best

Jayce's 3rd Best Trinket 51%

Win Rate 1431 Games

Oracle Lens
Don’t forget
to Buy Wards
Patch 12.14: 438954 matches scanned * Each section of the build is rated independently of the others

Jayce's Runes

Jayce's Best Runes 64%

Win Rate 59 Games

  • 1
  • 2
  • 3
Inspiration
LoL Path: Inspiration
LoL Rune: First Strike
First Strike
LoL Rune: Magical Footwear
Magical Footwear
LoL Rune: Biscuit Delivery
Biscuit Delivery
LoL Rune: Cosmic Insight
Cosmic Insight

Domination
LoL Path: Domination
LoL Rune: Treasure Hunter
Treasure Hunter
LoL Rune: Taste of Blood
Taste of Blood

Second Best

Jayce's 2nd Best Runes 64%

Win Rate 53 Games

Inspiration
LoL Path: Inspiration
LoL Rune: First Strike
First Strike
LoL Rune: Magical Footwear
Magical Footwear
LoL Rune: Future's Market
Future's Market
LoL Rune: Cosmic Insight
Cosmic Insight

Sorcery
LoL Path: Sorcery
LoL Rune: Transcendence
Transcendence
LoL Rune: Manaflow Band
Manaflow Band

Third Best

Jayce's 3rd Best Runes 61%

Win Rate 128 Games

Sorcery
LoL Path: Sorcery
LoL Rune: Phase Rush
Phase Rush
LoL Rune: Manaflow Band
Manaflow Band
LoL Rune: Absolute Focus
Absolute Focus
LoL Rune: Gathering Storm
Gathering Storm

Inspiration
LoL Path: Inspiration
LoL Rune: Magical Footwear
Magical Footwear
LoL Rune: Biscuit Delivery
Biscuit Delivery

Jayce's Summoner Spells

Jayce's Best Summoner Spells 50%

Win Rate 3092 Games

  • 1
  • 2
  • 3

Second Best

Jayce's 2nd Best Summoner Spells 52%

Win Rate 940 Games

Flash Teleport

Third Best

Jayce's 3rd Best Summoner Spells 49%

Win Rate 80 Games

Exhaust Flash

Jayce's Starters

Jayce's Best Starter Items 51%

Win Rate 1422 Games

  • 1
  • 2
  • 3

Second Best

Jayce's 2nd Best Starter Items 48%

Win Rate 1047 Games

Doran's Blade Health Potion

Third Best

Jayce's 3rd Best Starter Items 51%

Win Rate 815 Games

Long Sword Health Potion

Trinket

Jayce's Best Trinket 48%

Win Rate 2008 Games

  • 1
  • 2
  • 3

Second Best

Jayce's 2nd Best Trinket 51%

Win Rate 1446 Games

Farsight Alteration

Third Best

Jayce's 3rd Best Trinket 54%

Win Rate 724 Games

Oracle Lens
Don’t forget
to Buy Wards

Jayce Counters

Learn '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.

Jayce Skins

Jayce's Abilities

Jayce's Hextech Capacitor
Hextech Capacitor Jayce's Passive Jayce's Passive
Self
Jayce's Passive
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.
Q
Jayce's To The Skies! / Shock Blast
To The Skies! / Shock Blast Jayce's Q Ability
Self
0
Jayce's Passive
Mercury Hammer: Jayce leaps to an enemy, dealing 55 / 95 / 135 / 175 / 215 / 255 (+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%.
W
Jayce's Lightning Field / Hyper Charge
Lightning Field / Hyper Charge Jayce's W Ability
Self
0
Jayce's Passive
Mercury Hammer Passive: Jayce's Hammer attacks grant 6 / 8 / 10 / 12 / 14 / 16 mana.

Mercury Hammer Active: Jayce creates an electric aura dealing 25 / 40 / 55 / 70 / 85 / 100 (+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.
E
Jayce's Thundering Blow / Acceleration Gate
Thundering Blow / Acceleration Gate Jayce's E Ability
Self
0
Jayce's Passive
Mercury Hammer: Jayce swings his hammer, knocking back his target and dealing 8 / 10.4 / 12.8 / 15.2 / 17.6 / 20% 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.
R
Jayce's Mercury Cannon / Mercury Hammer
Mercury Cannon / Mercury Hammer Jayce's Ultimate (R) Ability
Self
0
6
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.

Mercury Cannon: Jayce transforms his weapon into the Mercury Hammer, becoming melee ranged and gaining new abilities and 5 / 15 / 25 / 35 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).
Q
Jayce's To The Skies!
To The Skies! Jayce's Q Ability
600
40
Jayce's Passive
Jayce leaps to an enemy, dealing 55 / 95 / 135 / 175 / 215 / 255 (+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
Q
Jayce's Shock Blast
Shock Blast Jayce's Q Ability
1050
0
8
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
W
Jayce's Lightning Field
Lightning Field Jayce's W Ability
350
40
10
Passive: Jayce's Hammer attacks grant 6 / 8 / 10 / 12 / 14 / 16 mana.

Active: Jayce creates an electric aura dealing 25 / 40 / 55 / 70 / 85 / 100 (+25% of ability power) magic damage over 4 seconds.
W
Jayce's Hyper Charge
Hyper Charge Jayce's W Ability
Self
40
Jayce's Passive
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
E
Jayce's Thundering Blow
Thundering Blow Jayce's E Ability
240
55
Jayce's Passive
Jayce swings his hammer, knocking back his target and dealing 8 / 10.4 / 12.8 / 15.2 / 17.6 / 20% of target's max health (+1.0 per bonus attack damage) magic damage.

Cooldown: 20 / 18 / 16 / 14 / 12 / 10
E
Jayce's Acceleration Gate
Acceleration Gate Jayce's E Ability
650
50
16
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.
R
Jayce's Mercury Cannon
Mercury Cannon Jayce's Ultimate (R) Ability
Self
0
6
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.
R
Jayce's Mercury Hammer
Mercury Hammer Jayce's Ultimate (R) Ability
Self
0
6
Jayce transforms his weapon into the Mercury Hammer, becoming melee ranged and gaining new abilities and 5 / 15 / 25 / 35 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

Ask

Latest Questions

Best bann when you play Jayce MID?

What are the, lets say 3, best banns when playing Jayce on mid lane?

View (2) Answers

best banns when you play Jayce?

What is the best bann when playing Jayce?

View (5) Answers

Jayce and Grasp

If Jayce switch to his ranged form, will he get a penalty for Grasp Of The Undying?

View (3) Answers

How should i play against Fizz with Jayce?

Tips?

View (1) Answers

Jayce and Tear. Ryze and Top.

Two-ish questions. 1. Why isn't [[tear of the goddess]] being built on [[jayce]] in terms of the pros and is it still effective? 2. Is [[ryze]] still effective as a top laner?

View (1) Answers

Varus vs Jayce; Which is better?

Hello Mobafire. So lately I only play 2 mid lanerrs, obviously the ones in the title. I suck at mages so why bother, right? Stick to my strengths which is AD champs. My question stems from the feeling that they both preform very similar roles and...

View (3) Answers

Is Jayce viable?

I've been looking around for a fun champ to play and Jayce's kit seems to be what I'm looking for. However, before I sink 6300 ip into him, I would like to ask Jayce's state in the meta. Tiers say he's 2, people say he's weak, and people say he's...

View (2) Answers

Black cleaver

On zed I think that the rework is going to make me buy yomuus every game...20% cdr is nice and 200 extra hp is good too but the damage nerf really feels bad and the flat Apen is gone now...is this item even worth getting anymore mostly on zed,...

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Jayce's Mid Lane Match ups?

Ok so, reworking my Jayce guide to be a mid lane guide (Upon writing the guide, Jayce was in a strong state at top lane, but now he's better at mid it appears). Anyway, since a majority of the mid lane roster is banned most of the time, and I...

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What Champion Do I Buy ;_;?

DO I GET [[LUCIAN]], [[VI]], [[DIANA]] OR [[JAYCE]]?????!??!?!?!??!?!?!??!?!?!? Srsly, who do I want to get ;I?

View (13) Answers

Is jayce still viable adc?

(Please stop rating down ). I know jayce is a bruiser I play him top I was just trolling once and did well so I asked

View (6) Answers

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