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Matchup

Mordekaiser
Mordekaiser
36%
64%

vs

50.0%
Karma
Karma
11%
89%
Heavy AP damageHeavy shieldingHeavy pokeHeavy CC

Build vs Karma

Build adapted to this matchup

Starting items

Doran's Shield
Health Potion

Core build

Rylai's Crystal Scepter
1Mage tank
Riftmaker
2Mage tank
Spirit Visage
3vs AP

Standard

Boots of Swiftness
4vs Slow
Liandry's Torment
5Mage tank

Summoner spells

41465%
41226%

Anti AD

Plated Steelcaps
4vs AD
Thornmail
5vs Hybride
Zhonya's Hourglass
vs AD
Randuin's Omen
vs AD

Anti Heal

Morellonomicon
6vs Heal

Anti AP

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

DPS

Liandry's Torment
Mage tank
Experimental Hexplate
Bruiser
Hextech Rocketbelt
Mage tank
Dusk and Dawn
Mage tank

Other options

Dark Seal
100.0% WR3 games
PrecisionPrecision
ConquerorConqueror
TriumphTriumph
Legend: HasteLegend: Haste
Last StandLast Stand
ResolveResolve
RevitalizeRevitalize
Bone PlatingBone Plating
Attack SpeedAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
MordekaiserMordekaiser
KarmaKarma
Neutral
Neutral
Neutral

Karma's abilities

Passive, spells and ultimate

Gathering Fire (P)

Karma's damaging abilities will reduce the cooldown of Mantra.

Cooldowns

Cooldowns by spell rank

LevelQWER
39s12s10s–
67s12s10s40s
95s12s10s40s
115s12s10s38s
165s12s9s36s
185s12s8s36s

Playing against Karma

How to counter and exploit weaknesses

1

Karma is strong early but scales poorly — she falls off in effectiveness compared to other supports/mages in the late game.

2

Her RQ is her only real burst: dodge it and she has no offensive threat left.

3

W roots after 2s: break the connection by moving away before it triggers.

4

Focus her in teamfights to prevent her from shielding her entire team with RE.

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