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Matchup

Ornn
Ornn
63%
37%

vs

50.0%
Katarina
Katarina
31%
69%
Countered by stasisHigh burstDive threatHeavy AP damage

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

Build vs Katarina

Build adapted to this matchup

Starting items

Doran's Shield
Health Potion

Core build

Hollow Radiance
1vs AP
Thornmail
2vs Hybride
Unending Despair
3vs AD

Standard

Boots of Swiftness
4vs Slow
Sunfire Aegis
5vs AD

Summoner spells

41291%
4147%

Anti AD

Plated Steelcaps
4vs AD
Sunfire Aegis
5vs AD
Frozen Heart
vs AD
Randuin's Omen
vs AD

Anti AP

Mercury's Treads
4vs CC
Jak'Sho, The Protean
5vs Hybride
Kaenic Rookern
vs AP

Other options

Protoplasm Harness
Survival
Heartsteel
Survival
100.0% WR3 games
ResolveResolve
Grasp of the UndyingGrasp of the Undying
DemolishDemolish
Bone PlatingBone Plating
OvergrowthOvergrowth
InspirationInspiration
Magical FootwearMagical Footwear
Biscuit DeliveryBiscuit Delivery
Attack SpeedHealth ScalingHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
OrnnOrnn
KatarinaKatarina
Passive
Favorable
Favorable

Katarina's abilities

Passive, spells and ultimate

Voracity (P)

Whenever an enemy champion dies that Katarina has damaged recently, her remaining ability cooldowns are dramatically reduced.If Katarina picks up a Dagger, she uses it to slash through all nearby enemies, dealing magic damage.

Cooldowns

Cooldowns by spell rank

LevelQWER
311s15s12s–
69s15s12s1m15
97s14s12s1m15
117s13s12s1m
167s11s10s45s
187s11s8s45s

Playing against Katarina

How to counter and exploit weaknesses

1

Save a CC to interrupt her R (Death Lotus) — she's very vulnerable during the channel.

2

Avoid daggers on the ground: don't walk over them and stay away from where they land.

3

Katarina is weak before level 6 and in short trades without her daggers — punish her early.

4

Buy MR: her damage is almost 100% magic, even in on-hit builds.

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