
KarthusCounters
The best Karthus counters in League of Legends patch 26.7 are Evelynn, Nunu, Rengar, Viego, Ekko. The best Karthus counter is Evelynn, with Karthus having only a 25% win rate in this matchup. Secondary patch 26.7 Karthus counter choices are JarvanIV, LeeSin, MasterYi, Jinx, Shyvana. Below are the top Karthus counters and matchups alongside their win rates.

Evelynn

Nunu & Willump

Rengar

Viego

Ekko

Jarvan IV

Lee Sin

Master Yi

Jinx

Shyvana
From a champion selection perspective, the strongest Karthus counters are Evelynn, Nunu, Rengar, and Viego. These champions either out-trade Karthus in lane, have abilities that negate Karthus's core mechanics, or scale better into team fights. Evelynn in particular exploits Karthus's weaknesses by providing consistent pressure while being difficult to punish.
Beyond item builds and counter picks, successful counter play against Karthus involves understanding Karthus's power spikes and cooldown windows. Engage on Karthus when key abilities are on cooldown, and coordinate with your team to focus Karthus in team fights before Karthus can output maximum damage. Vision control is also crucial when playing against Karthus to avoid getting caught out of position. By combining proper defensive itemization with smart champion selection and strategic gameplay, you can effectively neutralize Karthus's impact and secure victory.
Understanding Karthus's power curve is essential for effective counter play. Here's when Karthus is most vulnerable throughout the game.
EARLYEarly Game (Levels 1-6)
Karthus may be mana-dependent early. Punish after spell rotations when abilities are on cooldown. All-in when mana is depleted for advantageous trades.
MIDMid Game (Levels 7-13)
Karthus's poke and zone control peaks mid game. Engage quickly to close the gap before Karthus can kite. Use flanks and hard engage to bypass poke damage.
LATELate Game (Levels 14-18)
Karthus provides strong team fight damage late. Prioritize diving Karthus or use assassins to reach the backline. Magic resist items become crucial.
Use these actionable tips to gain an advantage when facing Karthus in lane or team fights.
- Pick Evelynn or similar champions with kits that exploit Karthus's weaknesses
- Build Mercury's Treads or Hexdrinker early to reduce Karthus's damage in lane
- Track Karthus's cooldowns and engage when key abilities are unavailable
- Ward Karthus's common roam paths and ping missing immediately
- Coordinate with your jungler to gank Karthus during vulnerable windows
- Dodge Karthus's skill shots by moving unpredictably
- All-in Karthus when mana is low from spell rotations
Karthus performs exceptionally well against these champions in patch 26.7. Sylas is Karthus's best matchup with a 89.47% win rate. When playing Karthus into these favorable matchups, look for early aggression and lane dominance. Karthus can capitalize on these champions' weaknesses to snowball leads and carry games.

Sylas

Vi

Ashe

Jax

Tristana

Briar

Miss Fortune

Nocturne

Amumu

Volibear
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Karthus Counters - Frequently Asked Questions
Who counters Karthus?
The best Karthus counters are Evelynn, Nunu, and Rengar. These champions have favorable matchups against Karthus and can exploit Karthus's weaknesses effectively in League of Legends patch 26.7.
What is Karthus's hardest counter?
Evelynn is Karthus's hardest counter with Karthus having only a 25% win rate in this matchup. Nunu (25% WR) and Rengar (26.32% WR) are also strong Karthus counters.
Who does Karthus counter?
Karthus performs well against Sylas, Vi, and Ashe. These are Karthus's best matchups where Karthus has favorable win rates and can dominate lane in patch 26.7.
How do I beat Karthus in lane?
To beat Karthus in lane, pick a counter champion like Evelynn or Nunu. Focus on trading when Karthus's key abilities are on cooldown, and build magic resist items to reduce Karthus's damage output. Ward defensively and call for jungle assistance if Karthus gains an advantage.
What items counter Karthus?
The best items to counter Karthus are Mercury's Treads, Spirit Visage, Force of Nature, and Banshee's Veil. These items provide magic resist which directly reduces Karthus's damage. Consider building these items early if you're struggling against Karthus in lane.
When is Karthus weakest?
Karthus is typically weakest during specific power troughs between item spikes. Exploit windows when Karthus's ultimate or key abilities are on cooldown. Coordinate with your team to engage on Karthus before Karthus can set up fights on Karthus's own terms.
How do I play Karthus into counter matchups?
When playing Karthus into counters like Evelynn, focus on safe farming, waiting for jungle assistance, and playing around power spikes. Avoid extended trades in unfavorable matchups and look for opportunities to scale into mid and late game.
What champions are similar to Karthus's counters?
If Evelynn, Nunu, or Rengar are banned or picked, look for champions with similar kits that can exploit Karthus's weaknesses. Champions with crowd control, burst damage, or sustained damage (depending on Karthus's vulnerabilities) can serve as alternative counters.