
The Electric
Call down lightning, dealing 10 (+20% Attack Speed) (+10% Attack) (+10% Magic) damage per Stall and Rush triggered this game.
Second Wind
“They said I'd never do this again.”
A range-3 Duelist whose Limitless stacks Attack Speed with every attack and, after Stall 15s, adds bonus damage based on Attack Speed. Raise Attack Speed above everything else. The Mighty is a Backup that grows Duelists like Nyx and Karsu, The Electric gets stronger as Stall and Rush stack up, and The Olympic grants the quest item Zeus's Thunder.

Each auto attack, gain 1 Attack Speed.
After Stall (15), auto attacks deal (+100% Attack Speed) bonus damage.
At B rank you pick one of three. Tap the cards to compare.

Call down lightning, dealing 10 (+20% Attack Speed) (+10% Attack) (+10% Magic) damage per Stall and Rush triggered this game.

After Stall (10), whenever a Duelist auto attacks it gains (+1 per rank) Attack Speed and (+1 per rank) Attack. Backup.

Gain the unique quest item Zeus's Thunder.
Specializations, upgrades and items players picked for Irini in shared builds. Each shows the pick rate (bold), the clear rate of builds with that pick, and the number of builds.
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Picked from the game data to match Irini's mechanics, class and the stats their abilities scale with. The tags before each item name say why.

+20 Attack Speed+25 Attack
If this item is held by a Duelist, double its stats.

+20 Attack Speed+15 Omnivamp
Every 15 auto attacks, if held by a Duelist this item gains 1 Attack Speed.

+200 Max HP+20 Attack Speed
If this item is held by a Duelist, double its stats.

+30 Defense+25 Magic
After Stall (40), gain +33% basic stats.

+45 Defense+40 Magic
The holder gains 1 Defense and 1 Magic per Stall trigger this game.

+45 Defense+40 Magic
The holder's Stall abilities trigger 12 seconds sooner.
A and S rank upgrades are class upgrades: the options come from the hero's class, not the hero (game tutorial). In the current data the A and S rank options are the same list. S rank heroes also get one more item slot. Expand to see the options.

On auto attack, inflict 1 (+1 per 33 Attack Speed) Burn (Max: 10).

Whenever a Duelist attacks an enemy with Burn, they gain 2 Attack Speed. Backup.

On auto attack, inflict 1 (+1 per 50 Attack Speed) Poison (Max: 6).

Whenever a Duelist attacks an enemy with Poison, they gain 2 Attack Speed. Backup.

On auto attack, inflict 1 (+1 per 80 Attack Speed) Frost (Max: 6).

Whenever a Duelist attacks an enemy with Frost, they gain 2 Attack Speed. Backup.

On auto attack, gain 1 Crit and 1 Attack per Debuff on the target.

Duelists gain 1 Attack Speed per Rush trigger this game. Backup.

For Rush (10), gain +50% Crit.
After Stall (20), gain +50% Crit.

On Crit, heal (+50% Crit) health and gain 3 Mana.

Duelists gain 2 Attack Speed per reroll this game. Backup.

Every 9 auto attacks, gain 1 Shard.

Gain 1 Range and 40 Attack Speed.

At start of combat, if this Hero is adjacent to exactly one other Hero they both permanently gain 25 Attack Speed.

Duelists gain 1 Attack Speed per Stall trigger this game. Backup.
How to read the numbers: base value (+N% Stat) adds N% of that stat, (+A per B Stat) adds A for every B of that stat, and values split by slashes (/) are per rank.