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Jayce Build Guide by kyuubi08

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League of Legends Build Guide Author kyuubi08

Jayce, Mercury Form

kyuubi08 Last updated on July 12, 2012
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Ability Sequence

Ability Key Q
Ability Key W
Ability Key E
Ability Key R

Not Updated For Current Season

The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.



Offense: 21

Honor Guard

Defense: 9

Strength of Spirit

Utility: 0

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Authors Note

So being that Jayce is the newest of all champions, and this being my first guide, I need feedback on what should be added to the build, tips on how I can make build better, etc. Give me time while I work on making this the best guide I possibly can. Not going to be 100% perfect as I work on this guide, so give me some time to iron out all the kinks, give better descriptions, come up with some situational items and runes, and test out suggestions in game. This guide is meant to fully utilize Jayce's ability to be melee, ranged, and attempt to be an off tank with the right tweaking

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Armed with wit, charm, and his signature transforming hammer, Jayce lives to protect his native Piltover. Long before his nation called him a hero, however, he was a promising young inventor. When Piltover commissioned him to study a rare arcane crystal, Jayce discovered it could be used as a vast energy source. Eager to make a name for himself, he began developing a device to harness its power. Word of the crystal's potential reached beyond the borders of Piltover. Viktor, the machine-augmented scientist from Zaun, brought Jayce an offer – together, they could use the crystal to advance his "glorious evolution," a vision of humanity fused with technology. Jayce refused, but the Zaunite had no intention of leaving empty handed. He effortlessly blasted Jayce aside and seized the crystal, incinerating the lab's meager security force as he left for Zaun. Jayce implored the Piltover government to respond, but the officials refused to support an act of aggression. He decided to act alone, realizing that if no one struck back, Piltover would never be safe.

Jayce returned to the lab to prepare for his attack. After intense research, development, and hands-on testing, he emerged with his crowning achievement – the Mercury Hammer. Weapon in hand, Jayce marched to Zaun and began his one-man assault. Viktor's acolytes rushed to stop him, but Jayce smashed them aside, fighting his way into the heart of the lab. Inside, Jayce saw the horrifying brilliance of Viktor's creations, all powered by the energy of the arcane crystal. He realized that his only option was to destroy the power source, but Viktor stood in his way. Though their clash left both scientists heavily wounded, Jayce managed a desperate strike at the crystal. He shattered it and escaped as Viktor's machines erupted in flames. When he returned home, exhausted but victorious, the citizens of Piltover hailed Jayce as a hero. He reveled in the adoration, but knew that his actions had drawn the attention of dangerous enemies. Now devoted to the defense of his people, Jayce is Piltover's best hope for a bright future.

"Trust me: if we're smart, Piltover can stand strong against any threat. Hey, I'm living proof."

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Coming soon

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Base Build

This is the basic starting order for any AD carry. Jayce is a little slow so the boots help get in, deal your damage, and get out. The health potions help with staying as long as possible in your lane.

Optional Start

Long Sword
Nice for a little extra attack early on. Build to rush Phage

Cloth Armor
Sometimes the best offense is a strong defense. Helps to stay in lane and rush Glacial Shroud

Regrowth Pendant
I am never one to turn down an item that helps with health Regrowth Pendant will allow you to build Force of Nature which gives a respectable amount of health regen early game

Hopefully by the time you recall, you should have the gold required to purchase glacial shroud. This item offers 45 armor and 425 mana, which is nothing to sneeze at and helps you stay in lane longer. The true glory of glacial shroud is the 15% cooldown reduction. This allows you to swap forms quickly, and allows you to use hyper charge to get back into the fight.

This item adds some needed health and attack, which at this point is going to start to become necessary. Toss in a chance to slow your enemy and you can start to rack up the damage as they try to flee.

Jayce has little in the way of attack speed and crit. This item gives Jayce some much needed attack speed and prepares the summoner to either build a phantom dancer or trinity force

mercurys treads
Finally the time has come to give Jayce some new footware. These new boots upgrade his movement speed, add some tenacity to get out of slows and stuns, as well as gives some magic resist against those pesky mages.

Finally the time has come for the fruits of your labor to start. We are going to finish

Frozen Heart
Adds yet more armor and reduces the attack speed of nearby enemies.

Frozen Mallet
Adds more health, and slows all targets it hits

Phantom Dancer
Increases your attack and movement speed, as well as giving some extra crit

To finish off this build:

Adds stacking attack damage and life steal

Force of Nature
Adds health regeneration and magic resistance

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Summoner Spells

Coming soon