Arena Companion — Builds, Augments and Matchups

Patch 26.18Arena build

Cassiopeia

mage

Arena progression, alternatives, augments and partner matchups for Cassiopeia.

Arena tier

Top 3

53.1%

Avg. place

3.39

Pick rate

7.7%

Ban rate

4.6%

KDA

2.48

Games

48,690

Arena progression

Core by round

Observed sequence · pick rate and game volume included

Round 1

Opening item

Sorcerer's Shoes

63% pick · 31K games

Round 2

Prismatic

Runecarver

24% pick · 12K games

Round 4

Core item

Rod of Ages

54% pick · 26K games

Round 6

Core item

Rabadon's Deathcap

62% pick · 30K games

Round 9

Core item

Archangel's Staff

17% pick · 3.3K games

Round 11

Late game

Liandry's Anguish

12% pick · 2.4K games

Augment picks

Source pick share by rarity · separate from the community sample.

Curated source · patch 26.18

Silver

ADAPt
6719 games
14.0%
Mind to Matter
5900 games
12.0%
Witchful Thinking
4743 games
10.0%
Bravest of the Brave
3215 games
6.6%

Gold

Magic Missile
13456 games
28.0%
Phenomenal Evil
10464 games
21.0%
Big Brain
6892 games
14.0%
Transmute: Prismatic
4287 games
8.8%

Prismatic

Spellwake
12398 games
25.0%
Infernal Conduit
10849 games
22.0%
Jeweled Gauntlet
10429 games
21.0%
Doomsayer
5148 games
10.6%

Best Prismatic items

Full Arena choice set for Cassiopeia, ordered by observed popularity.

S+

Runecarver

24% pick · 11553 games

Pyromancer's Cloak

20% pick · 9914 games

Detonation Orb

18% pick · 8847 games

Innervating Locket

14% pick · 6674 games

Everfrost

14% pick

Demonic Embrace

11% pick

Night Harvester

10% pick

Crown of the Shattered Queen

9.0% pick

Dragonheart

6.0% pick

Demon King's Crown

3.0% pick

Sanguine Gift

5.0% pick

Flesheater

3.0% pick

Cruelty

3.0% pick

Skill priority

Recommended ability max order for this Arena snapshot.

Boots

All stable Arena boot choices in the source sample.

Sorcerer's Shoes

63% pick · 31K games

Ionian Boots of Lucidity

13% pick · 6.1K games

Gluttonous Greaves

8.0% pick · 4K games

Boots of Swiftness

3.0% pick · 1.3K games

Mercury's Treads

1.0% pick · 575 games

Elixirs

Late-game consumables and their observed pick share.

Juice of Power

65% pick · 17K games

Juice of Vitality

16% pick · 4.3K games

Cappa Juice

13% pick · 3.4K games

Juice of Haste

6.0% pick · 1.5K games

Round alternatives

Other item rolls observed at the main Arena purchase rounds.

Round 4 options

Rod of Ages

54% pick · 26K games

Round 6 options

Rabadon's Deathcap

62% pick · 30K games

Round 9 options

Archangel's Staff

7.0% pick · 3.3K games

Liandry's Anguish

5.0% pick · 2.4K games

Void Staff

3.0% pick · 1.5K games

Wooglet's Witchcap

3.0% pick · 1.5K games

Best partner synergies

Arena partners that overperform beside Cassiopeia in the source sample.

Amumu

65% Top 3 · +12.4

657 games

Swain

59% Top 3 · +6.3

778 games

Xin Zhao

59% Top 3 · +6.0

716 games

Sion

59% Top 3 · +5.7

804 games

Jinx

58% Top 3 · +5.3

808 games

Shyvana

58% Top 3 · +4.9

678 games

Singed

58% Top 3 · +4.9

1.5K games

Twitch

56% Top 3 · +2.8

868 games

Teemo

55% Top 3 · +2.4

1.1K games

Graves

55% Top 3 · +1.9

706 games

Zed

54% Top 3 · +1.3

802 games

Tristana

54% Top 3 · +1.3

940 games

Difficult matchups

Common opponents that pressure Cassiopeia's Arena results.

Mordekaiser

55% Top 3

6.5K games

Twisted Fate

54% Top 3

7K games

Ornn

54% Top 3

7.5K games

Kai'Sa

53% Top 3

6.7K games

Tristana

53% Top 3

7.2K games

Sett

53% Top 3

7.6K games

Swain

53% Top 3

6.7K games

Jhin

53% Top 3

7.2K games

Snapshot context

Arena-only public observations, resolved against the current patch catalogue.

Top augment trio

Magic Missile · Spellwake · Infernal Conduit

Prismatic depth

13 tracked choices

Source score

44.21 · 48,690 games

Patch 26.18Arena build

Cassiopeia

mage

Arena progression, alternatives, augments and partner matchups for Cassiopeia.

Arena tier

Top 3

53.1%

Avg. place

3.39

Pick rate

7.7%

Ban rate

4.6%

KDA

2.48

Games

48,690

Arena progression

Core by round

Observed sequence · pick rate and game volume included

Round 1

Opening item

Sorcerer's Shoes

63% pick · 31K games

Round 2

Prismatic

Runecarver

24% pick · 12K games

Round 4

Core item

Rod of Ages

54% pick · 26K games

Round 6

Core item

Rabadon's Deathcap

62% pick · 30K games

Round 9

Core item

Archangel's Staff

17% pick · 3.3K games

Round 11

Late game

Liandry's Anguish

12% pick · 2.4K games

Augment picks

Source pick share by rarity · separate from the community sample.

Curated source · patch 26.18

Silver

ADAPt
6719 games
14.0%
Mind to Matter
5900 games
12.0%
Witchful Thinking
4743 games
10.0%
Bravest of the Brave
3215 games
6.6%

Gold

Magic Missile
13456 games
28.0%
Phenomenal Evil
10464 games
21.0%
Big Brain
6892 games
14.0%
Transmute: Prismatic
4287 games
8.8%

Prismatic

Spellwake
12398 games
25.0%
Infernal Conduit
10849 games
22.0%
Jeweled Gauntlet
10429 games
21.0%
Doomsayer
5148 games
10.6%

Best Prismatic items

Full Arena choice set for Cassiopeia, ordered by observed popularity.

S+

Runecarver

24% pick · 11553 games

Pyromancer's Cloak

20% pick · 9914 games

Detonation Orb

18% pick · 8847 games

Innervating Locket

14% pick · 6674 games

Everfrost

14% pick

Demonic Embrace

11% pick

Night Harvester

10% pick

Crown of the Shattered Queen

9.0% pick

Dragonheart

6.0% pick

Demon King's Crown

3.0% pick

Sanguine Gift

5.0% pick

Flesheater

3.0% pick

Cruelty

3.0% pick

Skill priority

Recommended ability max order for this Arena snapshot.

Boots

All stable Arena boot choices in the source sample.

Sorcerer's Shoes

63% pick · 31K games

Ionian Boots of Lucidity

13% pick · 6.1K games

Gluttonous Greaves

8.0% pick · 4K games

Boots of Swiftness

3.0% pick · 1.3K games

Mercury's Treads

1.0% pick · 575 games

Elixirs

Late-game consumables and their observed pick share.

Juice of Power

65% pick · 17K games

Juice of Vitality

16% pick · 4.3K games

Cappa Juice

13% pick · 3.4K games

Juice of Haste

6.0% pick · 1.5K games

Round alternatives

Other item rolls observed at the main Arena purchase rounds.

Round 4 options

Rod of Ages

54% pick · 26K games

Round 6 options

Rabadon's Deathcap

62% pick · 30K games

Round 9 options

Archangel's Staff

7.0% pick · 3.3K games

Liandry's Anguish

5.0% pick · 2.4K games

Void Staff

3.0% pick · 1.5K games

Wooglet's Witchcap

3.0% pick · 1.5K games

Best partner synergies

Arena partners that overperform beside Cassiopeia in the source sample.

Amumu

65% Top 3 · +12.4

657 games

Swain

59% Top 3 · +6.3

778 games

Xin Zhao

59% Top 3 · +6.0

716 games

Sion

59% Top 3 · +5.7

804 games

Jinx

58% Top 3 · +5.3

808 games

Shyvana

58% Top 3 · +4.9

678 games

Singed

58% Top 3 · +4.9

1.5K games

Twitch

56% Top 3 · +2.8

868 games

Teemo

55% Top 3 · +2.4

1.1K games

Graves

55% Top 3 · +1.9

706 games

Zed

54% Top 3 · +1.3

802 games

Tristana

54% Top 3 · +1.3

940 games

Difficult matchups

Common opponents that pressure Cassiopeia's Arena results.

Mordekaiser

55% Top 3

6.5K games

Twisted Fate

54% Top 3

7K games

Ornn

54% Top 3

7.5K games

Kai'Sa

53% Top 3

6.7K games

Tristana

53% Top 3

7.2K games

Sett

53% Top 3

7.6K games

Swain

53% Top 3

6.7K games

Jhin

53% Top 3

7.2K games

Snapshot context

Arena-only public observations, resolved against the current patch catalogue.

Top augment trio

Magic Missile · Spellwake · Infernal Conduit

Prismatic depth

13 tracked choices

Source score

44.21 · 48,690 games