Jayce Mid Build

Jayce Champion Guide

Role: Marksman

Lane: Midlane

Jayce Mid performs best with a build featuring Spear of Shojin, Mercury's Treads, Manamune, Black Cleaver, and Unending Despair. The most effective rune setup for Jayce Mid includes Grasp of the Undying, Demolish, Second Wind, and Overgrowth in the primary tree, paired with Biscuit Delivery and Magical Footwear in the secondary tree.

Jayce Champion Abilities

Hextech Capacitor

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. P

To The Skies! / Shock Blast

Mercury Hammer: Jayce leaps to an enemy, dealing 60 / 105 / 150 / 195 / 240 / 285 (+1.35 per attack damage) physical damage to surrounding enemies and slowing them by 35 / 40 / 45 / 50 / 55 / 60% for 2 seconds.

Mercury Cannon: Jayce fires an orb of electricity, dealing 60 / 110 / 160 / 210 / 260 / 310 (+1.4 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%. Q

Lightning Field / Hyper Charge

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

Mercury Hammer Active: Jayce creates an electric aura dealing 35 / 50 / 65 / 80 / 95 / 110 (+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. W

Thundering Blow / Acceleration Gate

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 35 / 40 / 45 / 50 / 55 / 60% movement speed decaying over 3 seconds to allied champions that pass through it. E

Mercury Cannon / Mercury Hammer

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 / 60 / 100 / 130 (+0.3 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. R

Jayce Summoner Spells

Flash

Flash is a location-targeted summoner spell that causes your champion to blink to the location in range of your cursor.

Ignite

Ignite is a unit-targeted summoner spell that burns an enemy champion for a few seconds, dealing periodic true damage, applying healing reduction, and revealing the target over the duration.

Jayce Runes

Jayce Items

Jayce Ability Order

Jayce Matchups Overview

Strong against

Ambessa

Xerath

Zoe

Lissandra

Mel

Qiyana

Weak against

Malphite

Cassiopeia

Vex

Annie

Swain

Pantheon

Jayce Tips and Tricks

Focus on poking the enemy with Q before committing to a fight, as Jayce excels at dealing damage from a distance rather than in extended duels. Position your Q to hit both the enemy and the minion wave simultaneously to push them under their tower. Jayce requires a lot of mana, so avoid overusing abilities in the early game to ensure you have enough for E in case you need to disengage from a fight.

Jayce Best Build, Runes, Items for Mid

Most Popular

For the best Jayce Mid build, take Flash and Teleport as your Summoner Spells. Use Grasp of the Undying as your keystone, followed by Demolish, Second Wind, and Overgrowth in the primary tree. In the secondary tree, take Biscuit Delivery and Magical Footwear. Rune shards should be Adaptive Force for offense, Adaptive Force for flex, and Health Scaling for defense, depending on the matchup. Build Spear of Shojin first, followed by Mercury's Treads and Manamune. Complete the build with Black Cleaver, Unending Despair, and Guardian Angel. Max your abilities in the order of Q - W - E.

Optional

For another approach, take Flash and Teleport as your Summoner Spells. Use Phase Rush as your keystone, along with Manaflow Band, Absolute Focus, and Gathering Storm in the primary tree, with Biscuit Delivery and Magical Footwear in the secondary tree. Rune shards remain Adaptive Force, Adaptive Force, and Health Scaling. Start with Eclipse, followed by Ionian Boots of Lucidity and Manamune. Finish the build with Serylda's Grudge, Edge of Night, and Serpent's Fang. Max abilities in the order of Q - W - E.

Alternative

A different take involves using Flash and Teleport as your Summoner Spells, with Phase Rush as the keystone, paired with Manaflow Band, Absolute Focus, and Gathering Storm in the primary tree. In the secondary tree, take Biscuit Delivery and Magical Footwear. Rune shards should be Adaptive Force, Adaptive Force, and Health Scaling. Start with Youmuu's Ghostblade, then build Ionian Boots of Lucidity and Manamune. Finish with Serylda's Grudge, Edge of Night, and Guardian Angel. Max abilities in the order of Q - W - E.

Off-Meta

For an off-meta approach, take Flash and Teleport as your Summoner Spells. Use Electrocute as your keystone, paired with Sudden Impact, Grisly Mementos, and Relentless Hunter in the primary tree, and Last Stand with Presence of Mind in the secondary tree. Rune shards should be Adaptive Force, Adaptive Force, and Health Scaling. Build Eclipse first, followed by Ionian Boots of Lucidity and Manamune. Complete the build with Serylda's Grudge, Edge of Night, and Maw of Malmortius. Max abilities in the order of Q - W - E.

Situational Jayce Runes and Items

Adjust your build based on your matchup, the enemy team composition, and the game state. Consider taking Armor or Magic Resist rune shards depending on your lane opponent. Certain item choices can provide better survivability or damage depending on what your team needs.