Cassiopeia Build, Counters & Runes – Master+ 5v5 | LoL Tracker

Master+

Cassiopeia Build, Runes & Counters for Coordinated 5v5

Team-focused Cassiopeia data from 2,145 Master+ coordinated 5v5 games, including Flex 5 and Ranked 5v5 data where available. This is not Solo Queue data. Cassiopeia has an observed 47.3% win rate as Mid in the current sample.

Win rate

47.3%

Games

2,145

Patch

26.22

Role tier

Mid

Master+ pool

Top

Mid

Bot

Overview Counters

Cassiopeia Build

Items for the selected keystone (1490 games).

Summoner spells

44.2% WR · 1,184 games

Boots

Trinket

Items

Start

48.0%

→

1st

46.4%

Alternatives

47%

45%

→

2nd

48.1%

Alternatives

48%

62%

→

3rd

51.9%

Alternatives

50%

53%

→

4th

51.2%

Alternatives

59%

50%

→

5th

63.6%

Cassiopeia Skill Order

Serpentine Grace

Cassiopeia Runes

Most observed exact rune page per keystone.

43.0% WR · 736 games

Sorcery

Precision

Cassiopeia Counters

Who Cassiopeia beats and struggles against in Master+ coordinated games.

See all counters

Good against

Bad against

Cassiopeia counters lists the best and worst picks versus Cassiopeia in Master+ coordinated 5v5.

Other Mid counters

Best Teammates for Cassiopeia

Build around Cassiopeia Mid: team style, supports and alternatives from Master+ coordinated games.

Best compo type for Cassiopeia

Hard Engage

Start decisive fights and collapse before the opponent can reset.

Best junglers with Cassiopeia

Lee Sin

45.9%

94 games

If Cassiopeia is banned

Ryze

48.5%

Late game · Magic damage · Scaling

Rumble

53.8%

Late game · Magic damage · Scaling

Swain

52.6%

Late game · Magic damage · Scaling

Turn insights into wins

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Kit links for Cassiopeia

Stats are useful, but they don't always tell the whole story. These are kit synergies and natural counters.

Synergies

NautilusSynergy

Nautilus gives Cassiopeia reliable lockdown so she can layer Miasma, sustained damage and Petrifying Gaze threat.

Natural counters

No curated counters yet for Cassiopeia.

More stats on Cassiopeia

Is Cassiopeia a good team or soloQ champ?

Team≈SoloQ

Master+ ranked 5v5

47.3%

similar in both queues

Team 47.3%SoloQ 47.0%

Similar win rates

Cassiopeia converts similarly in SoloQ and Master+ team queues. The Master+ profile shows how the coordinated games look.

Cassiopeia vs other mids in Master+ teams

#1 = best among mids

Damage/min822

Below average#104 of 173

Gold/min404

Below average#118 of 173

Kill part.41.0%

Below average#130 of 173

CS/min7.11

Above average#47 of 173

Vision/min0.69

About average#86 of 173

Damage share22.2%

Below average#104 of 173

Balance History

Cassiopeia Summoner's Rift changes from published LoL-Tracker patch notes.

NERFEDPatch 26.206 Oct 2026
Cassiopeia: Base Stats down; Base Stats down.
ADJUSTEDPatch 26.189 Sept 2026
Cassiopeia: Passive - Serpentine Grace down; Q - Noxious Blast down; Q - Noxious Blast up; E - Twin Fang down.

How Cassiopeia Performs in Coordinated 5v5

Data-backed notes from the Cassiopeia Master+ sample on this page.

In LoL Tracker's Master+ coordinated sample on patch 26.22, Cassiopeia is tracked primarily as Mid across 2,145 games with an observed 47.3% win rate. These results come from Flex 5 and Ranked 5v5 team games rather than standard Solo Queue.

Cassiopeia appears most frequently in Hard Engage drafts across 39 observed games in that style.

Matchup signal for Cassiopeia currently points to stronger published lanes into Sylas and tougher published lanes into Locke, using only medium-or-better coordinated samples.

Sylas

Locke

Cassiopeia Counters

Who Cassiopeia beats and struggles against in Master+ coordinated games.

See all counters

Good against

Bad against

Cassiopeia counters lists the best and worst picks versus Cassiopeia in Master+ coordinated 5v5.

Other Mid counters

Best Teammates for Cassiopeia

Build around Cassiopeia Mid: team style, supports and alternatives from Master+ coordinated games.

Best compo type for Cassiopeia

Hard Engage

Start decisive fights and collapse before the opponent can reset.

Best junglers with Cassiopeia

Lee Sin

45.9%

94 games

If Cassiopeia is banned

Ryze

48.5%

Late game · Magic damage · Scaling

Rumble

53.8%

Late game · Magic damage · Scaling

Swain

52.6%

Late game · Magic damage · Scaling

Turn insights into wins

Does your five-stack play this way?

Compare your roster with the coordinated benchmark and get personalized team insights.

Analyze your team

Kit links for Cassiopeia

Stats are useful, but they don't always tell the whole story. These are kit synergies and natural counters.

Synergies

NautilusSynergy

Nautilus gives Cassiopeia reliable lockdown so she can layer Miasma, sustained damage and Petrifying Gaze threat.

Natural counters

No curated counters yet for Cassiopeia.

More stats on Cassiopeia

Is Cassiopeia a good team or soloQ champ?

Team≈SoloQ

Master+ ranked 5v5

47.3%

similar in both queues

Team 47.3%SoloQ 47.0%

Similar win rates

Cassiopeia converts similarly in SoloQ and Master+ team queues. The Master+ profile shows how the coordinated games look.

Cassiopeia vs other mids in Master+ teams

#1 = best among mids

Damage/min822

Below average#104 of 173

Gold/min404

Below average#118 of 173

Kill part.41.0%

Below average#130 of 173

CS/min7.11

Above average#47 of 173

Vision/min0.69

About average#86 of 173

Damage share22.2%

Below average#104 of 173

Balance History

Cassiopeia Summoner's Rift changes from published LoL-Tracker patch notes.

NERFEDPatch 26.206 Oct 2026
Cassiopeia: Base Stats down; Base Stats down.
ADJUSTEDPatch 26.189 Sept 2026
Cassiopeia: Passive - Serpentine Grace down; Q - Noxious Blast down; Q - Noxious Blast up; E - Twin Fang down.

How Cassiopeia Performs in Coordinated 5v5

Data-backed notes from the Cassiopeia Master+ sample on this page.

Cassiopeia appears most frequently in Hard Engage drafts across 39 observed games in that style.

Matchup signal for Cassiopeia currently points to stronger published lanes into Sylas and tougher published lanes into Locke, using only medium-or-better coordinated samples.

Sylas

Locke