Cassiopeia Synergies & Duos · Set 18

Spellweaver is the trait most often active next to Cassiopeia (79% of games). The strongest outside synergy is Elderwood: boards running it with Cassiopeia finish top 4 55.7% of the time (27% of games).

SpellweaverCassiopeia's trait

79% of games49.5% top 44.52 avg place

Active at	Share	Top 4
2 units	52%	44.5%
4 units	38%	51.4%
6 units	10%	68.3%

Flora Fatalis

62% of games50.4% top 44.48 avg place

Active at	Share	Top 4
1 units	67%	44.8%
2 units	33%	61.9%

Defender

51% of games54.1% top 44.29 avg place

Active at	Share	Top 4
2 units	60%	53.1%
4 units	10%	40.0%
6 units	29%	61.1%

CovenCassiopeia's trait

44% of games35.1% top 45.25 avg place

Active at	Share	Top 4
3 units	26%	47.0%
4 units	20%	24.0%
5 units	44%	30.6%
7 units	10%	45.0%

Vanguard

41% of games39.3% top 45.02 avg place

Active at	Share	Top 4
2 units	57%	28.6%
4 units	40%	52.3%
6 units	3%	71.4%

Invoker

28% of games46.5% top 44.62 avg place

Active at	Share	Top 4
2 units	74%	46.3%
3 units	16%	44.2%
4 units	7%	49.9%
5 units	3%	59.3%

Brawler

27% of games55.1% top 44.23 avg place

Active at	Share	Top 4
2 units	96%	54.4%
4 units	4%	72.0%
6 units	0%	66.7%

Blackthorn

27% of games53.1% top 44.33 avg place

Active at	Share	Top 4
2 units	94%	53.1%
4 units	5%	53.8%
6 units	1%	50.0%

Elderwood

27% of games55.7% top 44.20 avg place

Active at	Share	Top 4
3 units	95%	55.2%
5 units	4%	62.8%
7 units	1%	71.6%
9 units	0%	93.6%
11 units	0%	100.0%

Ravager

21% of games34.4% top 45.28 avg place

Active at	Share	Top 4
2 units	93%	34.0%
4 units	6%	38.2%
6 units	1%	45.4%

Traits active on the final board of every ranked game with this unit. The highlighted row is the breakpoint with the best top-4 rate.

Alune is Cassiopeia's best regular partner: together they finish top 4 66.7% of the time across 12,593 games (19% of Cassiopeia games). Cassiopeia is played most often next to Fiddlesticks, Ornn, and Elise.

Partner	Played together	Top 4	1st	Avg place	Games
Alune	19%	66.7%	24.6%	3.57	12,593
Soraka	14%	64.3%	14.8%	3.82	9,721
Lillia	22%	56.1%	11.1%	4.22	14,660
Ahri	18%	54.9%	14.8%	4.24	12,380
Ornn	43%	54.7%	12.5%	4.27	29,284
Alistar	25%	54.7%	13.8%	4.26	17,078
Shen	20%	54.0%	10.5%	4.32	13,487
Rek'Sai	25%	53.9%	13.7%	4.29	16,890

Most played with Cassiopeia

• Fiddlesticks61%
• Ornn43%
• Elise43%
• Morgana38%
• LeBlanc33%
• Camille31%
• Veigar31%
• Caitlyn29%

Partners on the board in at least 8% of the unit's games, ranked by a sample-adjusted top-4 rate so small pairings can't jump the list.

Cassiopeia shares Coven and Spellweaver with these units; Morgana has the best average placement among them.

Coven

• MorganaF · 49.7%
• EliseF · 35.8%
• CamilleF · 35.0%
• CaitlynF · 32.6%

Spellweaver

• AluneA · 69.5%
• AhriD · 52.0%
• FiddlesticksC · 50.7%
• VeigarB · 49.6%
• LeBlancC · 48.6%
• KarmaD · 45.0%

Tier and top-4 rate of each unit on its own.

Spellweaver appears in 92% of the ranked comp games that field Cassiopeia.

Trait	Share of comp games	Comp top 4
Spellweaver	92%	73.8%
Defender	85%	72.8%
Flora Fatalis	79%	72.9%
Blackthorn	56%	72.6%
Brawler	56%	72.6%
Elderwood	56%	72.6%
Attuned	30%	78.7%
Coven	15%	72.8%
Invoker	15%	72.8%
Lunar	15%	72.8%