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Ornn
All Champions
Ornn
Tier S+
Patch 16.1744.81% Win RateTank

Ornn Arena Build Guide

The Fire below the Mountain

Ornn is the Freljordian spirit of forging and craftsmanship. He works in the solitude of a massive smithy, hammered out from the lava caverns beneath the volcano Hearth-Home. There he stokes bubbling cauldrons of molten rock to purify ores and fashion...

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Recommended Items for Ornn in Arena

Optimal 2v2 combat item build path for Ornn. Build your core synergy items first, prioritize speed with tailored boots, and adapt situational picks to counter enemy comps.

Core Build5 items
Black Hole Gauntlet
Black Hole GauntletFirst Item Spike
Heartsteel
HeartsteelCore Item #2
Sunfire Aegis
Sunfire AegisCore Item #3
Thornmail
ThornmailCore Item #4
Jak'Sho, The Protean
Jak'Sho, The ProteanCore Item #5
Boots Selection4 options
Mercury's Treads
Mercury's TreadsPreferred Boots
Plated Steelcaps
Plated SteelcapsAlternative Option
Ionian Boots of Lucidity
Ionian Boots of LucidityAlternative Option
Ghostcrawlers
GhostcrawlersAlternative Option
Situational & Counters2 items
Unending Despair
Unending DespairCounter / Late Game
Void Immolation
Void ImmolationCounter / Late Game

Best Augments for Ornn in Arena

Top-performing Prismatic, Gold, and Silver augments tailored to maximize Ornn's combat scaling, ability cooldowns, and survivability in 2v2 Arena rounds.

Prismatic Augments
Tier 1 Priority
Goliath
GoliathPrismatic Synergizer

Become large, gaining 15% Health and 10% Adaptive Force.

Courage of the Colossus
Courage of the ColossusPrismatic Synergizer

Gain Shield after Immobilizing or Grounding an enemy champion.

Dreadbringer
DreadbringerPrismatic Synergizer

Gain an aura that continuously harvests permanent Cursed Power per enemy champion inside. Gain max Health based on your Cursed Power.

Gold Augments
Tier 2 Core
Tank Engine
Tank EngineGold Power Spike

Gain increased size and percent bonus Health per takedown.

Celestial Body
Celestial BodyGold Power Spike

Gain 1000 Health, but you deal 10% less damage.

Quest: Steel Your Heart
Quest: Steel Your HeartGold Power Spike

Requirement: Possess Heartsteel with 400+ stacks. Reward: Multiply your Heartsteel stacks by 3. Increase your Health Regeneration by 12.5% of your Heartsteel stacks.

Silver Augments
Utility & Stats
Heavy Hitter
Heavy HitterSilver Utility

Your Attacks deal additional physical damage equal to 3.5% of your max Health.

Clothesline
ClotheslineSilver Utility

There is a tether connecting your team, deals constant magic damage to enemies it touches.

Desecrator
DesecratorSilver Utility

Immobilizing enemy champions grants you permanent Cursed Power. Gain Armor and Magic Resistance based on your Cursed Power.

Best Prismatic Items for Ornn in Arena

Prismatic items tier list ranked by performance synergy on Ornn. Aim to roll S-Tier items in your round 3 anvil choices to secure early combat dominance.

S-TierS-Tier (Must Pick)
11 items
Black Hole Gauntlet
Black Hole GauntletTier S+
Gargoyle Stoneplate
Gargoyle StoneplateTier S+
Shield of Molten Stone
Shield of Molten StoneTier S+
Warmog's Armor
Warmog's ArmorTier S+
Cloak of Starry Night
Cloak of Starry NightTier S
Cruelty
CrueltyTier S
Dragonheart
DragonheartTier S
Force Of Entropy
Force Of EntropyTier S
Lightning Rod
Lightning RodTier S
Radiant Virtue
Radiant VirtueTier S
Reverberation
ReverberationTier S
A-TierA-Tier (Strong Synergies)
12 items
Darksteel Talons
Darksteel TalonsTier A
Demon King's Crown
Demon King's CrownTier A
Demonic Embrace
Demonic EmbraceTier A
Divine Sunderer
Divine SundererTier A
Eleisa's Miracle
Eleisa's MiracleTier A
Flesheater
FlesheaterTier A
Goredrinker
GoredrinkerTier A
Hexbolt Companion
Hexbolt CompanionTier A
Pyromancer's Cloak
Pyromancer's CloakTier A
Runecarver
RunecarverTier A
Talisman Of Ascension
Talisman Of AscensionTier A
Turbo Chemtank
Turbo ChemtankTier A
B-TierB-Tier (Viable Options)
11 items
Empyrean Promise
Empyrean PromiseTier B
Everfrost
EverfrostTier B
Fulmination
FulminationTier B
Gambler's Blade
Gambler's BladeTier B
Innervating Locket
Innervating LocketTier B
Moonflair Spellblade
Moonflair SpellbladeTier B
Prowler's Claw
Prowler's ClawTier B
Reality Fracture
Reality FractureTier B
Reaper's Toll
Reaper's TollTier B
Sanguine Gift
Sanguine GiftTier B
Sword of the Divine
Sword of the DivineTier B
C/DC / D-Tier (Situational)
13 items
Decapitator
DecapitatorTier C
Duskblade of Draktharr
Duskblade of DraktharrTier C
Galeforce
GaleforceTier C
Hemomancer's Helm
Hemomancer's HelmTier C
Kinkou Jitte
Kinkou JitteTier C
Mirage Blade
Mirage BladeTier C
Night Harvester
Night HarvesterTier C
Puppeteer
PuppeteerTier C
Crown of the Shattered Queen
Crown of the Shattered QueenTier D
Detonation Orb
Detonation OrbTier D
Hamstringer
HamstringerTier D
Regicide
RegicideTier D
Twilight's Edge
Twilight's EdgeTier D

Ornn Abilities & Kit Overview

Comprehensive breakdown of Ornn's passive and active spells in Arena mode, highlighting ability interactions and combo execution.

Living Forge
Passive

Living Forge

Ornn gains an additional bonus Armor and Magic Resist from all sources. Ornn can spend gold to forge non-consumable items anywhere. Additionally, he can create masterwork items for himself and for his allies.

Volcanic Rupture
Q Spell

Volcanic Rupture

Ornn slams the ground, sending out a fissure dealing damage and slowing enemies hit. After a small delay, a magma pillar forms at the end location.

Bellows Breath
W Spell

Bellows Breath

Ornn advances, breathing fire. Enemies hit by the final gout of flame become Brittle.

Searing Charge
E Spell

Searing Charge

Ornn charges, dealing damage to enemies he passes through. If Ornn collides with terrain while charging, the impact creates a shockwave around him which deals damage and knocks up enemies.

Call of the Forge God
R Spell

Call of the Forge God

Ornn summons a massive elemental at a location which travels toward him with increasing speed. Enemies run over by the elemental take damage, are slowed and are made Brittle. Ornn can recast the ability to charge into the elemental, redirecting it in the direction he hits it, causing the elemental to affect any enemies it runs over to be knocked up, dealing the same damage and re-applying Brittle.

Frequently Asked Questions about Ornn in Arena

Common Arena build strategies, augment interactions, and item synergies answered for Ornn.

The best Arena build for Ornn in patch 16.17.1 currently sits at Tier S+ (44.81% win rate). The optimal core items include Black Hole Gauntlet, Heartsteel, Sunfire Aegis, paired with Mercury's Treads or Plated Steelcaps. Adjust your situational items to counter burst assassins, heavy tanks, or healing comps in later rounds.

The top Prismatic augments for Ornn are Goliath, Courage of the Colossus, Dreadbringer. These augments provide massive combat scalings and ability enhancements that synergize directly with Ornn's kit to win late-game rounds.

The best Prismatic items to roll on Ornn include Black Hole Gauntlet, Gargoyle Stoneplate, Shield of Molten Stone. Securing one of these S-Tier prismatic items in the early rounds gives Ornn a decisive stat and passive advantage over enemy pairs.