LiveUpdated 23 hours ago26.22
ARAM

Cassiopeia ARAM Build 26.22

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Cassiopeia is an anti-clump nightmare on the bridge, laying Miasma across the narrow ground so a grouped enemy team cannot advance without eating poison and losing their dashes. Twin Fang spam melts the packed line as they stack, and Petrifying Gaze turns the whole facing team to stone the moment the 5v5 collides. Build ability power and drown the Abyss in venom.

#94 of 122 champions this patch · 69 games
Win rate44.9%+11.6Games69Pick rate5.2%Last 8 patches+5.9 since 26.15Damage profilei
AP
AP 94%AD 3%True 3%
DifficultyiHighPunishes misplays
ClassicModernARAMCounter

Cassiopeia Item Build

Every point of ability power Cassiopeia buys both ramps her poison and keeps her afloat, since Twin Fang heals her for a cut of the damage it deals and refunds mana on a kill. The payoff on the Abyss is a mage who sustains herself through the grind she creates, with no trip back to the fountain to lean on instead.

Standard loadout · Cassiopeia The consensus path — reliable spikes, no dead time.
Starting items 1400g Blasting Wand×1Refillable Potion×1Tear of the Goddess×1 Core path · click an item for its recipe ››› Boots Sorcerer's Shoes85% · 48.7%Mercury's Treads15% · 71.4%

Best Cassiopeia Runes

Conqueror lines up with the poke war Cassiopeia thrives in on the Abyss, chipping the grouped enemies with Noxious Blast and holding Petrifying Gaze to stun the pile if they face her. Every fight is a packed 5v5, so build around the mana and damage that keep her poison flowing across the bridge.

The pre-game page Conqueror · Precision + Sorcery · keystone + 5 runes + 3 shards
Precision Primary ConquerorGain stacks of adaptive force when attacking enemy champions. After reaching 12 stacks, heal for a portion of damage you deal to champions. Presence of Mind91% · 41.3%Legend: Haste65% · 46.7%Last Stand45% · 48.4% Keystone plus three minors from Precision, two from Sorcery, then three shards — no runebook, no masteries.
Sorcery Secondary Manaflow Band52% · 41.7%Transcendence48% · 42.4%
Stat shards OffenseAdaptive Force+9 Adaptive ForceFlexAdaptive Force+9 Adaptive ForceDefenseHealth Scaling+10–180 Health (by level)
Shards give +18Adaptive Force+10–180 Health (by level)
Chase Rod of Ages, then Liandry's Torment, and let Cassiopeia drown the choke in poison. Miasma blankets the narrow bridge so the clumped team cannot cross clean, and once they are dripping with venom she spams Twin Fang through the whole pile. With no recall to cleanse the poison, rush the ability power that makes her damage over time unbearable.

Cassiopeia Skill Order

Ranks at 4, 5, 7 and 9 all feed Twin Fang, the follow-up hit that converts standing poison into damage and returns a slice of it as health. Noxious Blast holds a single rank until 8, so early chip leans on the poison already applied rather than on its own scaling.

Skill order · Cassiopeia R at 6 / 11 / 16 — always
PriorityRR›EE›QQ›WW›Max E first; Q at level 1.
Lv 123456789101112131415161718
Q18101213max 13
W214151718max 18
E34579max 9
R61116max 16
Stack points into E first to ramp the poison on a team crammed onto one bridge, then Q, then W. Her rhythm is venom first, so coat the clump with Noxious Blast and Miasma, then rip Twin Fang over and over, saving Petrifying Gaze to freeze the grouped enemies mid-fight.

Cassiopeia ARAM Abilities

Look past the poison for a second and Twin Fang is also her sustain button, healing a cut of every hit and refunding mana whenever it lands the kill. Petrifying Gaze rewards positioning too, a hard stun on anyone facing her and only a slow on the backs turned to run.

Abilities on the Abyss · Cassiopeiapatch 26.22 base numbers · click an ability · all ranks shown
Serpentine GracePassivePNoxious BlastMax 2ndQMiasmaMax lastWTwin FangMax 1stEPetrifying GazeUltRRank-up levels here match the skill order below.
Twin FangMagic damageMax 1stStatLV 3rank 1LV 4rank 2LV 5rank 3LV 7rank 4LV 9MAXBonus Poison Damage+25 per rank+45% APlv 320lv 445lv 570lv 795lv 9120Constant at every rankCost45same at all ranksCooldown0.75ssame at all ranks
Abyss changeloghow the Abyss re-balances Cassiopeia: entries touching the selected ability light upRiot currently applies no ARAM-specific balance adjustments to Cassiopeia.

Cassiopeia Base Stats

Base stats · CassiopeiaPatch 26.22
Base statslevel 1 · +per levelAD53+3AS0.647+1.5%MS335Range550HP610+98HP55.5+0.5Armor18+4.7MR32+1.3MP450+40MP58+0.8
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