Best Karthus ADC Counters

Compare Karthus ADC counters, champions Karthus ADC is good against, matchup win rate, expected win rate, delta, sample size, enemy role, and low or high Elo rank scope for draft planning.

Updated 2026-06-16. Data is current for LoL patch 26.12 (all regions, low elo and high elo).

Top 2 High Elo Karthus ADC same-role counters

  1. Caitlyn ADC - High Elo data: Karthus ADC vs Caitlyn ADC, 53.2% observed win rate, -2.0 percentage points vs expected, 517 games, 3-patch window 26.10-26.12.
  2. Ezreal ADC - High Elo data: Karthus ADC vs Ezreal ADC, 57.4% observed win rate, +1.3 percentage points vs expected, 632 games, 3-patch window 26.10-26.12.

Top 2 High Elo champions Karthus ADC is good against

  1. Ezreal ADC - High Elo data: Karthus ADC vs Ezreal ADC, 57.4% observed win rate, +1.3 percentage points vs expected, 632 games, 3-patch window 26.10-26.12.
  2. Caitlyn ADC - High Elo data: Karthus ADC vs Caitlyn ADC, 53.2% observed win rate, -2.0 percentage points vs expected, 517 games, 3-patch window 26.10-26.12.

Top 3 High Elo Karthus ADC all-role counters

  1. Caitlyn ADC - High Elo data: Karthus ADC vs Caitlyn ADC, 53.2% observed win rate, -2.0 percentage points vs expected, 517 games, 3-patch window 26.10-26.12.
  2. Nami Support - High Elo data: Karthus ADC vs Nami Support, 54.9% observed win rate, +0.9 percentage points vs expected, 514 games, 3-patch window 26.10-26.12.
  3. Ezreal ADC - High Elo data: Karthus ADC vs Ezreal ADC, 57.4% observed win rate, +1.3 percentage points vs expected, 632 games, 3-patch window 26.10-26.12.

Top 3 High Elo all-role champions Karthus ADC is good against

  1. Ezreal ADC - High Elo data: Karthus ADC vs Ezreal ADC, 57.4% observed win rate, +1.3 percentage points vs expected, 632 games, 3-patch window 26.10-26.12.
  2. Nami Support - High Elo data: Karthus ADC vs Nami Support, 54.9% observed win rate, +0.9 percentage points vs expected, 514 games, 3-patch window 26.10-26.12.
  3. Caitlyn ADC - High Elo data: Karthus ADC vs Caitlyn ADC, 53.2% observed win rate, -2.0 percentage points vs expected, 517 games, 3-patch window 26.10-26.12.