Matchup

Strong engageHeavy CCVery tankyHigh sustain

You are stronger late game — farm safe and avoid early trades.

Build vs Zac

Build adapted to this matchup

Starting items

Doran's Blade
Health Potion

Core build

Stormrazor
1DPS
Hexoptics C44
2DPS
Lord Dominik's Regards
3vs Tank

Standard

Berserker's Greaves
4AS
Mortal Reminder
5vs Hybride

Summoner spells

41486%
469%

Anti AD

Plated Steelcaps
4vs AD
Guardian Angel
5vs AD

Anti Heal

Mortal Reminder
6vs Hybride

Anti CC

Mercury's Treads
4vs CC

Anti Tank

The Collector
5vs Tank
Profane Hydra
vs Tank
Edge of Night
vs Tank
Hubris
vs Tank
Youmuu's Ghostblade
vs Tank

DPS

Kraken Slayer
DPS
Infinity Edge
DPS
Statikk Shiv
DPS
100.0% WR1 games
DominationDomination
ElectrocuteElectrocute
Sudden ImpactSudden Impact
Grisly MementosGrisly Mementos
Treasure HunterTreasure Hunter
SorcerySorcery
Absolute FocusAbsolute Focus
Gathering StormGathering Storm
Attack SpeedAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
QuinnQuinn
ZacZac
Aggressive
Careful
Careful

Zac's abilities

Passive, spells and ultimate

Cell Division (P)

Each time Zac hits an enemy with an ability, he sheds a chunk of himself that can be reabsorbed to restore Health. Upon taking fatal damage, Zac splits into 4 bloblets that attempt to recombine. If any bloblets remain, he will revive with an amount of Health depending on the Health of the surviving bloblets. Each bloblet has a percentage of Zac's maximum Health, Armor and Magic Resistance. This ability has a 5 minute cooldown.

Cooldowns

Cooldowns by spell rank

LevelQWER
314s5s22s
611s5s22s2m
98s5s22s2m
118s5s22s1m45
168s5s16s1m30
188s5s10s1m30

Playing against Zac

How to counter and exploit weaknesses

1

Walk on his blobs (passive) to destroy them and prevent him from healing.

2

His E is long range but visible and has a windup: side-step when you see him charging.

3

If Zac dies, he splits into blobs that reform: kill all 4 blobs to kill him for good.

4

His engage is strong but he's vulnerable to burst once inside — focus him after his engage.

Source: op.gg + LTL Engine · Patch 16.9.1 · May 9, 2026