Patch 26.9 Data
Champion Matchups
Pick two champions and see who wins. Win rates, counters, and tips powered by live ranked data.
Champion 1
Karthus
VS
Champion 2
Dr. Mundo
vs

40.7%
Karthus win rate vs Dr. Mundo
Dr. Mundo hard counters Karthus
177
Games Analyzed
40.7%
Karthus WR
59.3%
Dr. Mundo WR
-745
Avg Gold Diff @15
Karthus
DamageAP
StyleSustained
RangeRanged
Difficulty**---
StrongLate game
RunesDark Harvest / Inspiration
SummsFlash + Smite
Dr. Mundo
DamageMixed
StyleSustained
RangeMelee
Difficulty*----
StrongLate game
RunesGrasp of the Undying / Inspiration
SummsFlash + Teleport
Power Spike Timeline
Karthus
Level 6
Dr. Mundo
Level 6
Karthus
1 item
Dr. Mundo
2 items
Karthus
3 items
Dr. Mundo
3 items
How to Play This Matchup
Power Curve
Karthus is strongest late game while Dr. Mundo peaks late game. Play around your power window.
Mixed Resistances
Karthus deals AP damage while Dr. Mundo deals Mixed. Build resistances accordingly  don't stack the wrong type.
Mirror Playstyle
Both champions play a sustained style. The one with better execution and itemization wins. Focus on spacing and cooldown tracking.
Range Advantage
Karthus has range advantage. Dr. Mundo should look for short trades when Karthus uses abilities on the wave. Freeze near your tower and wait for jungle help or an all-in window.
Exploit Karthus's Weakness
Karthus's main weakness: Invaded early, immobile, Zhonya's blocks R. Play around this to maximize your advantage.
Karthus Win Condition
R global damage, passive keeps dealing damage after death
Dr. Mundo Win Condition
Unkillable frontline, passive blocks CC, R regen
Recommended Items
Karthus

Liandry's Anguish
Core
Build every game

Shadowflame
Core
Build every game

Rabadon's
Core
Build every game
Dr. Mundo
Heartsteel
Core
Build every game
Warmog's Armor
Core
Build every game

Spirit Visage
Core
Build every game

Mercury's Treads
Defensive
MR + tenacity vs Karthus's AP damage and CC
Karthus's Worst Matchups
Dr. Mundo's Worst Matchups
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