Support Jayce build with runes and items. Support Jayce guide offers in-depth how-to play, skill order and tips. Play Support Jayce build in League of Legends Patch 25.17!
Even though Jayce is not typical support, you are gonna support your team very effectively. With heals, shields and buffs:
Heal summoner spell.
Guardian and Font of Life runes.
Redemption, Locket of the Iron Solari and Moonstone Renewer and other items.
Playstyle
🛡️ Play safe, stay in the back and play like support, so you can stay and heal more.
⚔️ Sometimes, you can go in and play more aggressively when the opportunity is right.
💖 Focus on healing and shielding to keep allies alive.
✨ Use Redemption, Locket, and Heal on cooldown for healing.
How to play
General
Your first rush is Redemption.
Your second rush can be Locket of the Iron Solari (vs AoE), Moonstone Renewer (sustain).
Also, Echoes of Helia is pretty good because you can proc it consistently with Font of Life (slow/cc).
Rush second Locket if your team already doing teamfights or when an enemy team has champions with super aoe damage (example: like Fiddle's ult). Otherwise, get Moonstone Renewer #2. The third item should be whatever you did not buy - Locket of the Iron Solari or Moonstone Renewer. That's your core.
Another decent item if you have carry/strong bruiser/strong tank is Knight's Vow.
Try to use summoner spell Heal on cooldown. With Moonstone Renewer, ideally there should be at least two people for maximum healing effect.
Later in the game, for maximum support - you can sell boots for sixth item.
You can get items like Ardent Censer (some auto attackers needed) or Staff of Flowing Water. It will be triggered often enough that it will be worth.
Interesting item is Cryptbloom. If you want to go full healing, you can get it like #4+ item.
Runes
With Cosmic Insight rune from Inspiration tree:
Redemption and Locked of the Iron Solari has 81.92 sec cooldown (down from 90 sec).
Shurelya's Battlesong has 68.12 sec cooldown (down from 75 sec).
Guardian is important rune. It is going to provide tons of shielding. Remember that you need to be close to your allies to proc it.
You can also manipulate it - for example, you can stick to one ally, or avoid some spells that's gonna only waste it.
You will be triggering Font of Life effect, which will heal your allies. It also chains off Moonstone Renewer!
Font of Life total healing is not properly calculated in a post-game lobby. Value is bigger in the game vs. what's displayed in statistics. You heal more!
Another important rule is Cosmic Insight, it reduces cooldown for your active items (so more heals/shielding) and Heal summoner spell.
Redemption
Try to use Redemption on cooldown, when your allies are missing some health. It is best to use when they are grouped. Especially if you already have Moonstone Renewer, it is best to wait (or ping) until they group together, so you can have them all healed.
Remember that you can use Redemption for the damage. However, in general, it is not worth it. Keep it to heal your team!
Be careful when using Redemption while you are dead, and you are about to be respawned. The camera will go to your position, and you can cast it in the spawning pool by mistake. Watch out for bad timing!
Utility
Peel for your carries with Thundering Blow (E Cannon Form) and To the Skies! (Q Cannon Form). Assassins diving your ADC? Switch to hammer form and knock them back or slow them down - Hammer Time.
Use Acceleration Gate (E Hammer Form) not only for poke combos but also to grant movement speed to allies. Great for engaging or disengaging with your team.
Stay in the backline during teamfights, try doing some poke before fights and then use your speed boost to help allies reposition.
Damage
Even as support, Jayce provides OK poke as well as burst damage with his Hammer form abilities - Thundering Blow (E Cannon Form) does maximum Health damage and To the Skies! (Q Cannon Form) + Lightning Field (W Cannon Form) combo has big base dmg.
Positioning
Always position smartly - in cannon form you should play like a enchanter support, poking and buffing allies, while in hammer form you are more like a tank - you peel and disrupt.
Don’t overcommit with hammer because you are gonna be squishy.Unless you are sure you can escape or peel effectively.
Tips and Tricks
Champion
Your usual combo is To the Skies! / Shock Blast (Q), then Thundering Blow / Acceleration Gate (E) (not E then Q!). You first use Q, people do not expect that it will go further, and then you enhance it mid-flight with your E.
As Jayce, you have your 'Ultimate' Mercury Cannon / Mercury Hammer (R) since lvl 1. You can lose track of enemy levels and get surprised by their level 6 spike and their ulti. Watch out!
Cannon and Hammer Form interactions
Jayce is treated as melee in Hammer Form and as ranged in Cannon Form. That means there are interactions with certain runes and items. Examples below.
Grasp of the Undying - If you want to deal more damage, get more Health and heal for more with Grasp of the Undying - when auto from ranged, switch to melee (when animation is mid-flight)!
First Strike - If you play Jayce with First Strike rune, if you fire Cannon To the Skies! / Shock Blast (Q) and change to Hammer Form, you actually get the melee gold. This way you can farm and earn additional gold (up to 100-150g per minute) by coordinating E + Q with First Strike.
Credit: Nxal
Hubris - if you score a takedown when in Hammer Form, you get more Attack Damage (melee effect), than you would get in Cannon Form.
Riot
Be sure to switch stances often. It will enhance your attacks and grant you quick bursts of speed.
If you find yourself taking lots of damage, try using Jayce's Hammer Stance, as it grants you additional defenses.
For increased range and damage, try casting Shock Blast through the Acceleration Gate.