Cassiopeia LoL Stats, Builds, Counters and Synergies

RiftMind tracks Cassiopeia champion stats by role, including win rate, pick rate, builds, counters, matchups, and synergies for League of Legends draft analysis.

Updated 2026-09-20. Data is current for LoL patch 26.18 (all regions, low elo and high elo).

How RiftMind calculates these stats

RiftMind calculates these statistics from Ranked Solo/Duo match records filtered by patch, region, rank scope, champion, and role.

Champion role, build, rune, and item summaries use patch-specific aggregates, while counter and synergy pages compare observed results with role-adjusted expectations over a rolling patch window.

Read the full methodology for the data filters and interpretation guidance.

Cassiopeia role performance snapshot

  1. Cassiopeia Mid stats - Cassiopeia Mid has 47.1% win rate, 1.1% pick rate, and 4,335 ranked games in the current RiftMind data set. Win rate changed -0.3 percentage points from the comparison patch. Pick rate changed -0.1 percentage points from the comparison patch.
  2. Cassiopeia Top stats - Cassiopeia Top has 50.0% win rate, 0.3% pick rate, and 1,159 ranked games in the current RiftMind data set. Win rate changed +0.4 percentage points from the comparison patch. Pick rate changed +0.0 percentage points from the comparison patch.
  3. Cassiopeia ADC stats - Cassiopeia ADC has 45.6% win rate, 0.2% pick rate, and 585 ranked games in the current RiftMind data set. Win rate changed -0.7 percentage points from the comparison patch. Pick rate changed -0.0 percentage points from the comparison patch.

Top 5 Low Elo Cassiopeia counter matchups

  1. Senna Support - Low Elo data: Cassiopeia Mid vs Senna Support, 40.4% observed win rate, -6.1 percentage points vs expected, 510 games, 3-patch window 26.16-26.18.
  2. Veigar Mid - Low Elo data: Cassiopeia Mid vs Veigar Mid, 39.5% observed win rate, -5.9 percentage points vs expected, 708 games, 3-patch window 26.16-26.18.
  3. Yunara ADC - Low Elo data: Cassiopeia Mid vs Yunara ADC, 43.0% observed win rate, -4.3 percentage points vs expected, 640 games, 3-patch window 26.16-26.18.
  4. Yone Top - Low Elo data: Cassiopeia Mid vs Yone Top, 42.8% observed win rate, -3.9 percentage points vs expected, 796 games, 3-patch window 26.16-26.18.
  5. Zed Mid - Low Elo data: Cassiopeia Mid vs Zed Mid, 45.1% observed win rate, -2.9 percentage points vs expected, 804 games, 3-patch window 26.16-26.18.

Top 5 Low Elo champions Cassiopeia is good against

  1. Sylas Mid - Low Elo data: Cassiopeia Mid vs Sylas Mid, 56.9% observed win rate, +8.9 percentage points vs expected, 668 games, 3-patch window 26.16-26.18.
  2. Warwick Jungle - Low Elo data: Cassiopeia Mid vs Warwick Jungle, 48.8% observed win rate, +3.8 percentage points vs expected, 646 games, 3-patch window 26.16-26.18.
  3. Aatrox Top - Low Elo data: Cassiopeia Mid vs Aatrox Top, 51.0% observed win rate, +3.6 percentage points vs expected, 500 games, 3-patch window 26.16-26.18.
  4. Master Yi Jungle - Low Elo data: Cassiopeia Mid vs Master Yi Jungle, 51.1% observed win rate, +3.5 percentage points vs expected, 769 games, 3-patch window 26.16-26.18.
  5. Leona Support - Low Elo data: Cassiopeia Mid vs Leona Support, 48.9% observed win rate, +3.5 percentage points vs expected, 904 games, 3-patch window 26.16-26.18.

Top 5 Low Elo Cassiopeia strongest synergies

  1. Jarvan IV Jungle - Low Elo data: Cassiopeia Mid vs Jarvan IV Jungle, 52.4% observed win rate, +4.8 percentage points vs expected, 529 games, 3-patch window 26.16-26.18.
  2. Lucian ADC - Low Elo data: Cassiopeia Mid vs Lucian ADC, 49.3% observed win rate, +4.5 percentage points vs expected, 698 games, 3-patch window 26.16-26.18.
  3. Yunara ADC - Low Elo data: Cassiopeia Mid vs Yunara ADC, 51.0% observed win rate, +4.1 percentage points vs expected, 739 games, 3-patch window 26.16-26.18.
  4. Vayne ADC - Low Elo data: Cassiopeia Mid vs Vayne ADC, 49.8% observed win rate, +3.9 percentage points vs expected, 500 games, 3-patch window 26.16-26.18.
  5. Blitzcrank Support - Low Elo data: Cassiopeia Mid vs Blitzcrank Support, 51.4% observed win rate, +3.6 percentage points vs expected, 648 games, 3-patch window 26.16-26.18.

Top 5 Low Elo Cassiopeia weakest synergies

  1. Teemo Top - Low Elo data: Cassiopeia Mid vs Teemo Top, 45.1% observed win rate, -4.0 percentage points vs expected, 630 games, 3-patch window 26.16-26.18.
  2. Kayn Jungle - Low Elo data: Cassiopeia Mid vs Kayn Jungle, 45.1% observed win rate, -2.6 percentage points vs expected, 1,014 games, 3-patch window 26.16-26.18.
  3. Warwick Jungle - Low Elo data: Cassiopeia Mid vs Warwick Jungle, 46.9% observed win rate, -2.3 percentage points vs expected, 622 games, 3-patch window 26.16-26.18.
  4. Garen Top - Low Elo data: Cassiopeia Mid vs Garen Top, 46.4% observed win rate, -2.3 percentage points vs expected, 897 games, 3-patch window 26.16-26.18.
  5. Briar Jungle - Low Elo data: Cassiopeia Mid vs Briar Jungle, 48.0% observed win rate, -1.8 percentage points vs expected, 565 games, 3-patch window 26.16-26.18.

Top 5 High Elo Cassiopeia counter matchups

  1. Syndra Mid - High Elo data: Cassiopeia Mid vs Syndra Mid, 45.9% observed win rate, -3.3 percentage points vs expected, 1,074 games, 3-patch window 26.16-26.18.
  2. Hecarim Jungle - High Elo data: Cassiopeia Mid vs Hecarim Jungle, 45.9% observed win rate, -3.3 percentage points vs expected, 606 games, 3-patch window 26.16-26.18.
  3. Qiyana Jungle - High Elo data: Cassiopeia Mid vs Qiyana Jungle, 46.1% observed win rate, -3.2 percentage points vs expected, 564 games, 3-patch window 26.16-26.18.
  4. Pyke Support - High Elo data: Cassiopeia Mid vs Pyke Support, 47.5% observed win rate, -3.0 percentage points vs expected, 575 games, 3-patch window 26.16-26.18.
  5. Tristana ADC - High Elo data: Cassiopeia Mid vs Tristana ADC, 44.8% observed win rate, -2.9 percentage points vs expected, 910 games, 3-patch window 26.16-26.18.

Top 5 High Elo champions Cassiopeia is good against

  1. Yone Mid - High Elo data: Cassiopeia Mid vs Yone Mid, 55.6% observed win rate, +5.0 percentage points vs expected, 604 games, 3-patch window 26.16-26.18.
  2. Sylas Mid - High Elo data: Cassiopeia Mid vs Sylas Mid, 53.5% observed win rate, +3.4 percentage points vs expected, 819 games, 3-patch window 26.16-26.18.
  3. Yunara ADC - High Elo data: Cassiopeia Mid vs Yunara ADC, 52.4% observed win rate, +3.3 percentage points vs expected, 1,087 games, 3-patch window 26.16-26.18.
  4. Rell Support - High Elo data: Cassiopeia Mid vs Rell Support, 49.9% observed win rate, +2.4 percentage points vs expected, 565 games, 3-patch window 26.16-26.18.
  5. Viego Jungle - High Elo data: Cassiopeia Mid vs Viego Jungle, 53.6% observed win rate, +2.3 percentage points vs expected, 771 games, 3-patch window 26.16-26.18.

Top 5 High Elo Cassiopeia strongest synergies

  1. Zeri ADC - High Elo data: Cassiopeia Mid vs Zeri ADC, 57.5% observed win rate, +5.6 percentage points vs expected, 602 games, 3-patch window 26.16-26.18.
  2. Blitzcrank Support - High Elo data: Cassiopeia Mid vs Blitzcrank Support, 55.9% observed win rate, +4.8 percentage points vs expected, 558 games, 3-patch window 26.16-26.18.
  3. Qiyana Jungle - High Elo data: Cassiopeia Mid vs Qiyana Jungle, 53.4% observed win rate, +3.5 percentage points vs expected, 653 games, 3-patch window 26.16-26.18.
  4. Jax Top - High Elo data: Cassiopeia Mid vs Jax Top, 52.9% observed win rate, +3.5 percentage points vs expected, 571 games, 3-patch window 26.16-26.18.
  5. Tristana ADC - High Elo data: Cassiopeia Mid vs Tristana ADC, 54.9% observed win rate, +3.4 percentage points vs expected, 883 games, 3-patch window 26.16-26.18.

Top 5 High Elo Cassiopeia weakest synergies

  1. Renekton Top - High Elo data: Cassiopeia Mid vs Renekton Top, 45.0% observed win rate, -4.3 percentage points vs expected, 562 games, 3-patch window 26.16-26.18.
  2. Caitlyn ADC - High Elo data: Cassiopeia Mid vs Caitlyn ADC, 45.0% observed win rate, -3.6 percentage points vs expected, 1,092 games, 3-patch window 26.16-26.18.
  3. Lulu Support - High Elo data: Cassiopeia Mid vs Lulu Support, 47.0% observed win rate, -2.7 percentage points vs expected, 1,161 games, 3-patch window 26.16-26.18.
  4. Graves Jungle - High Elo data: Cassiopeia Mid vs Graves Jungle, 46.8% observed win rate, -2.7 percentage points vs expected, 1,128 games, 3-patch window 26.16-26.18.
  5. Malphite Top - High Elo data: Cassiopeia Mid vs Malphite Top, 48.0% observed win rate, -2.6 percentage points vs expected, 506 games, 3-patch window 26.16-26.18.