Best Cassiopeia Counters and Counterpicks

Use RiftMind to compare Cassiopeia counters, matchup deltas, observed win rates, expected win rates, and role-specific counterpick data for low and high Elo League of Legends drafts.

Updated 2026-06-12. Data is current for LoL patch 26.12 (all regions, low elo and high elo).

Top 2 Low Elo Cassiopeia Mid same-role counters

Yasuo Mid - Low Elo data: Cassiopeia Mid vs Yasuo Mid, 47.3% observed win rate, -0.8 percentage points vs expected, 535 games, 3-patch window 26.10-26.12.
Ahri Mid - Low Elo data: Cassiopeia Mid vs Ahri Mid, 46.6% observed win rate, -0.5 percentage points vs expected, 551 games, 3-patch window 26.10-26.12.

Top 10 Low Elo Cassiopeia all-role counters

Seraphine Support - Low Elo data: Cassiopeia Mid vs Seraphine Support, 41.2% observed win rate, -3.8 percentage points vs expected, 687 games, 3-patch window 26.10-26.12.
Ezreal ADC - Low Elo data: Cassiopeia Mid vs Ezreal ADC, 47.3% observed win rate, -3.1 percentage points vs expected, 806 games, 3-patch window 26.10-26.12.
Nocturne Jungle - Low Elo data: Cassiopeia Mid vs Nocturne Jungle, 43.0% observed win rate, -1.9 percentage points vs expected, 523 games, 3-patch window 26.10-26.12.
Jinx ADC - Low Elo data: Cassiopeia Mid vs Jinx ADC, 44.9% observed win rate, -1.2 percentage points vs expected, 681 games, 3-patch window 26.10-26.12.
Kayn Jungle - Low Elo data: Cassiopeia Mid vs Kayn Jungle, 46.0% observed win rate, -1.1 percentage points vs expected, 511 games, 3-patch window 26.10-26.12.
Lee Sin Jungle - Low Elo data: Cassiopeia Mid vs Lee Sin Jungle, 47.7% observed win rate, -1.1 percentage points vs expected, 648 games, 3-patch window 26.10-26.12.
Smolder ADC - Low Elo data: Cassiopeia Mid vs Smolder ADC, 43.1% observed win rate, -1.0 percentage points vs expected, 745 games, 3-patch window 26.10-26.12.
Yasuo Mid - Low Elo data: Cassiopeia Mid vs Yasuo Mid, 47.3% observed win rate, -0.8 percentage points vs expected, 535 games, 3-patch window 26.10-26.12.
Garen Top - Low Elo data: Cassiopeia Mid vs Garen Top, 44.3% observed win rate, -0.7 percentage points vs expected, 515 games, 3-patch window 26.10-26.12.
Ahri Mid - Low Elo data: Cassiopeia Mid vs Ahri Mid, 46.6% observed win rate, -0.5 percentage points vs expected, 551 games, 3-patch window 26.10-26.12.

Top 1 High Elo Cassiopeia Mid same-role counters

Viktor Mid - High Elo data: Cassiopeia Mid vs Viktor Mid, 49.2% observed win rate, -1.7 percentage points vs expected, 514 games, 3-patch window 26.10-26.12.

Top 10 High Elo Cassiopeia all-role counters

Thresh Support - High Elo data: Cassiopeia Mid vs Thresh Support, 45.2% observed win rate, -3.5 percentage points vs expected, 628 games, 3-patch window 26.10-26.12.
Jhin ADC - High Elo data: Cassiopeia Mid vs Jhin ADC, 48.7% observed win rate, -2.7 percentage points vs expected, 670 games, 3-patch window 26.10-26.12.
Caitlyn ADC - High Elo data: Cassiopeia Mid vs Caitlyn ADC, 49.6% observed win rate, -2.2 percentage points vs expected, 599 games, 3-patch window 26.10-26.12.
Jinx ADC - High Elo data: Cassiopeia Mid vs Jinx ADC, 47.0% observed win rate, -1.8 percentage points vs expected, 502 games, 3-patch window 26.10-26.12.
Ezreal ADC - High Elo data: Cassiopeia Mid vs Ezreal ADC, 50.9% observed win rate, -1.8 percentage points vs expected, 928 games, 3-patch window 26.10-26.12.
Viktor Mid - High Elo data: Cassiopeia Mid vs Viktor Mid, 49.2% observed win rate, -1.7 percentage points vs expected, 514 games, 3-patch window 26.10-26.12.
Graves Jungle - High Elo data: Cassiopeia Mid vs Graves Jungle, 49.7% observed win rate, -1.1 percentage points vs expected, 545 games, 3-patch window 26.10-26.12.
Nami Support - High Elo data: Cassiopeia Mid vs Nami Support, 49.7% observed win rate, -0.9 percentage points vs expected, 565 games, 3-patch window 26.10-26.12.
Karma Support - High Elo data: Cassiopeia Mid vs Karma Support, 51.0% observed win rate, -0.4 percentage points vs expected, 502 games, 3-patch window 26.10-26.12.
Smolder ADC - High Elo data: Cassiopeia Mid vs Smolder ADC, 49.8% observed win rate, -0.1 percentage points vs expected, 514 games, 3-patch window 26.10-26.12.