Patch 9.22 3v3 TR Cassiopeia Build Guide

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Welcome to the METAsrc Cassiopeia build guide.

We've used our extensive database of League of Legends stats along with proprietary algorithms to calculate the most optimal build for Cassiopeia. This algorithm is able to determine the best summoner spells, item build order, skill order, runes reforged, rune stats, counters, and team mates. Reference it during all phases of the game to ensure that you always have an edge over the competition.


WARNING! Data for this page is currently limited. Check out the Global 9.22 or TR 9.21 Cassiopeia Build Guide for more complete data
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Best Summoner Spells

Flash
Teleports your champion a short distance toward your cursor's location.
Flash
47%
Ignite
Ignites target enemy champion, dealing 70-410 true damage (depending on champion level) over 5 seconds, grants you vision of the target, and reduces healing effects on them for the duration.
Ignite
44%

Best Starting Items

Tear of the Goddess
+250 Mana

UNIQUE Passive - Awe: Refunds 10% of Mana spent.
UNIQUE Passive - Mana Charge: Grants 4 maximum Mana on Mana expenditure (up to 3 times per 12 seconds).

Caps at +750 Mana.

Limited to 1 Tear item.
Tear of the Goddess
51%
Doran's Ring
+60 Health
+15 Ability Power
+5 Mana per 5 seconds


Passive: Basic attacks deal an additional 5 physical damage to minions on hit.
Doran's Ring
48%
Health Potion
Limited to 5 at one time. Limited to 1 type of Healing Potion.

Click to Consume: Restores 150 Health over 15 seconds.
Health Potion
45%
Sapphire Crystal
+250 Mana
Sapphire Crystal
38%

Best Item Build Order

Archangel's Staff
+50 Ability Power
+650 Mana
+10% Cooldown Reduction


UNIQUE Passive - Haste: This item gains an additional 10% Cooldown Reduction.
UNIQUE Passive - Awe: Grants Ability Power equal to 1% of maximum Mana. Refunds 25% of Mana spent.
UNIQUE Passive - Mana Charge: Grants +8 maximum Mana (max +750 Mana) for each Mana expenditure (occurs up to 3 times every 12 seconds).

Transforms into Seraph's Embrace at +750 Mana.

Limited to 1 Tear item.
Archangel's Staff
50%
Rylai's Crystal Scepter
+300 Health
+90 Ability Power


UNIQUE Passive: Damaging spells and abilities reduce enemy movement speed by 20% for 1 second.
Rylai's Crystal Scepter
56%
Liandry's Torment
+75 Ability Power
+300 Health


UNIQUE Passive - Madness: Deal 2% more damage for each second in combat with champions (10% maximum).
UNIQUE Passive - Torment: Spells burn enemies for 3 seconds, dealing bonus magic damage equal to 1.5% of their maximum Health per second. Burn damage is increased to 2.5% against movement-impaired units.
Liandry's Torment
61%
Wooglet's Witchcap
+100 Ability Power
+45 Armor


UNIQUE Passive: Increases Ability Power by 25%
UNIQUE Active: Champion becomes invulnerable and untargetable for 2.5 seconds, but is unable to move, attack, cast spells, or use items during this time (120 second cooldown).
Wooglet's Witchcap
63%
Void Staff
+70 Ability Power

UNIQUE Passive - Dissolve: +40% Magic Penetration.
Void Staff
67%
Morellonomicon
+70 Ability Power
+300 Health


UNIQUE Passive - Touch of Death: +15 Magic Penetration
UNIQUE Passive - Cursed Strike: Magic damage dealt to champions inflicts them with Grievous Wounds for 3 seconds.
Morellonomicon
67%

Best Skill Order

Serpentine Grace
Cassiopeia gains Movement Speed per level, but she cannot purchase Boots items.
Serpentine Grace
123456789101112131415161718
Noxious Blast
Cassiopeia blasts an area with Poison after a brief delay, granting her increased Movement Speed if she hits an enemy champion.
Noxious Blast
QQQQQ
Miasma
Cassiopeia releases several clouds of poison, slowing, grounding, and lightly damaging enemies that pass through them. Grounded enemies cannot use Movement abilities.
Miasma
WWWWW
Twin Fang
Cassiopeia lets loose an attack that deals increased damage to Poisoned targets and heals her for a percentage of the damage dealt. If the target dies from this attack, Cassiopeia regains Mana.
Twin Fang
EEEEE
Petrifying Gaze
Cassiopeia releases a swirl of magical energy from her eyes, stunning any enemies in front of her that are facing her and slowing any others with their back turned.
Petrifying Gaze
RRR

Best Runes Reforged

Sorcery
Empowered abilities and resource manipulation
Phase Rush
Hitting an enemy champion with 3 attacks or separate abilities within 3s grants 25 - 40% Movement Speed based on level and 75% Slow Resistance.

Duration: 3s
Cooldown: 15s
Manaflow Band
Hitting an enemy champion with an ability permanently increases your maximum mana by 25, up to 250 mana.

After reaching 250 bonus mana, restore 1% of your missing mana every 5 seconds.

Cooldown: 15 seconds
Transcendence
Gain 10% CDR when you reach level 10.

Each percent of CDR exceeding the CDR limit is converted to an adaptive bonus of 1.2 Attack Damage or 2 Ability Power.
Scorch
Your next damaging ability hit sets champions on fire dealing 15 - 35 bonus magic damage based on level after 1s.

Cooldown: 10s
Domination
Burst damage and target access
Ravenous Hunter
Heal for a percentage of the damage dealt by your abilities.
Healing: 1.5% + 2.5% per Bounty Hunter stack.

Bounty Hunter stacks are earned the first time you get a takedown on each enemy champion.

Healing reduced to one third for Area of Effect abilities.
Taste of Blood
Heal when you damage an enemy champion.

Healing: 18-35 (+0.2 bonus AD, +0.1 AP) health (based on level)

Cooldown: 20s
Adaptive
+9 Adaptive Force
Adaptive
+9 Adaptive Force
MagicRes
+8 Magic Resist
Cassiopeia counters (over 51% win rate)
Ekko
Tier:Strong
Score:58.75
Win Rate:54.56%
Pick Rate:12.31%
Ban Rate:6.20%
KDA Ratio:2.20
Ekko, the Boy Who Shattered Time
+15.7
Elise
Tier:Below Average
Score:50.31
Win Rate:52.74%
Pick Rate:2.25%
Ban Rate:0.67%
KDA Ratio:1.65
Elise, the Spider Queen
+15.7
Fiddlesticks
Tier:Above Average
Score:50.73
Win Rate:51.97%
Pick Rate:1.75%
Ban Rate:4.04%
KDA Ratio:2.11
Fiddlesticks, the Harbinger of Doom
+15.7
Lux
Tier:Below Average
Score:49.10
Win Rate:47.84%
Pick Rate:7.32%
Ban Rate:2.12%
KDA Ratio:2.19
Lux, the Lady of Luminosity
+15.7
Malphite
Tier:God
Score:61.89
Win Rate:56.97%
Pick Rate:11.23%
Ban Rate:15.65%
KDA Ratio:2.36
Malphite, Shard of the Monolith
+15.7
Miss Fortune
Tier:Bad
Score:38.02
Win Rate:40.45%
Pick Rate:6.87%
Ban Rate:0.52%
KDA Ratio:1.23
Miss Fortune, the Bounty Hunter
+15.7
Rumble
Tier:God
Score:61.74
Win Rate:61.54%
Pick Rate:1.48%
Ban Rate:0.40%
KDA Ratio:2.44
Rumble, the Mechanized Menace
+15.7
Talon
Tier:Below Average
Score:46.07
Win Rate:47.03%
Pick Rate:5.65%
Ban Rate:2.48%
KDA Ratio:1.74
Talon, the Blade's Shadow
+15.7
Veigar
Tier:Below Average
Score:49.39
Win Rate:49.55%
Pick Rate:5.15%
Ban Rate:3.78%
KDA Ratio:2.00
Veigar, the Tiny Master of Evil
+15.7
Ezreal
Tier:Weak
Score:42.32
Win Rate:44.23%
Pick Rate:5.14%
Ban Rate:1.11%
KDA Ratio:1.57
Ezreal, the Prodigal Explorer
+9.0
Jax
Tier:Strong
Score:58.01
Win Rate:53.58%
Pick Rate:11.01%
Ban Rate:31.14%
KDA Ratio:1.87
Jax, Grandmaster at Arms
+9.0
Mordekaiser
Tier:Above Average
Score:55.10
Win Rate:52.87%
Pick Rate:9.65%
Ban Rate:14.16%
KDA Ratio:1.87
Mordekaiser, the Iron Revenant
+9.0
Poppy
Tier:Strong
Score:56.70
Win Rate:54.57%
Pick Rate:5.73%
Ban Rate:15.27%
KDA Ratio:2.41
Poppy, Keeper of the Hammer
+9.0
Vayne
Tier:Below Average
Score:49.80
Win Rate:49.06%
Pick Rate:10.36%
Ban Rate:6.78%
KDA Ratio:1.47
Vayne, the Night Hunter
+9.0
Warwick
Tier:Weak
Score:42.37
Win Rate:43.28%
Pick Rate:6.17%
Ban Rate:1.36%
KDA Ratio:1.76
Warwick, the Uncaged Wrath of Zaun
+9.0
Akali
Tier:Below Average
Score:45.56
Win Rate:44.11%
Pick Rate:10.80%
Ban Rate:8.60%
KDA Ratio:1.70
Akali, the Rogue Assassin
+6.1
Irelia
Tier:Below Average
Score:45.05
Win Rate:45.35%
Pick Rate:7.05%
Ban Rate:7.97%
KDA Ratio:1.71
Irelia, the Blade Dancer
+6.1
Zed
Tier:God
Score:73.12
Win Rate:49.10%
Pick Rate:28.54%
Ban Rate:49.91%
KDA Ratio:2.09
Zed, the Master of Shadows
+5.2
Cassiopeia is countered by (under 49% win rate)
Kayn
Tier:God
Score:67.63
Win Rate:57.60%
Pick Rate:17.42%
Ban Rate:32.40%
KDA Ratio:2.20
Kayn, the Shadow Reaper
-3.5
Caitlyn
Tier:Weak
Score:41.16
Win Rate:43.59%
Pick Rate:3.65%
Ban Rate:1.07%
KDA Ratio:1.63
Caitlyn, the Sheriff of Piltover
-6.1
Garen
Tier:Strong
Score:57.27
Win Rate:51.56%
Pick Rate:14.32%
Ban Rate:22.03%
KDA Ratio:2.00
Garen, The Might of Demacia
-6.1
Lee Sin
Tier:Above Average
Score:51.47
Win Rate:46.98%
Pick Rate:15.99%
Ban Rate:5.99%
KDA Ratio:1.89
Lee Sin, the Blind Monk
-6.1
Syndra
Tier:Strong
Score:59.98
Win Rate:57.53%
Pick Rate:6.64%
Ban Rate:8.37%
KDA Ratio:2.39
Syndra, the Dark Sovereign
-6.1
Darius
Tier:God
Score:66.30
Win Rate:56.20%
Pick Rate:14.66%
Ban Rate:46.19%
KDA Ratio:2.05
Darius, the Hand of Noxus
-9.0
Senna
Tier:God
Score:66.78
Win Rate:56.48%
Pick Rate:20.23%
Ban Rate:12.94%
KDA Ratio:2.69
Senna, the Redeemer
-9.0
Yasuo
Tier:God
Score:84.40
Win Rate:52.29%
Pick Rate:44.98%
Ban Rate:41.66%
KDA Ratio:1.72
Yasuo, the Unforgiven
-12.2
Cho'Gath
Tier:Above Average
Score:54.67
Win Rate:54.00%
Pick Rate:3.70%
Ban Rate:3.39%
KDA Ratio:2.40
Cho'Gath, the Terror of the Void
-15.7
Diana
Tier:Above Average
Score:52.94
Win Rate:52.56%
Pick Rate:5.25%
Ban Rate:8.04%
KDA Ratio:2.07
Diana, Scorn of the Moon
-15.7
Dr. Mundo
Tier:Weak
Score:40.53
Win Rate:43.83%
Pick Rate:2.92%
Ban Rate:3.46%
KDA Ratio:1.44
Dr. Mundo, the Madman of Zaun
-15.7
Heimerdinger
Tier:Above Average
Score:52.31
Win Rate:53.82%
Pick Rate:2.07%
Ban Rate:1.01%
KDA Ratio:1.95
Heimerdinger, the Revered Inventor
-15.7
Kai'Sa
Tier:Below Average
Score:50.03
Win Rate:50.72%
Pick Rate:4.67%
Ban Rate:0.93%
KDA Ratio:1.90
Kai'Sa, Daughter of the Void
-15.7
Katarina
Tier:Above Average
Score:54.20
Win Rate:50.98%
Pick Rate:10.65%
Ban Rate:21.37%
KDA Ratio:1.89
Katarina, the Sinister Blade
-15.7
Lissandra
Tier:Strong
Score:57.11
Win Rate:57.74%
Pick Rate:2.71%
Ban Rate:0.73%
KDA Ratio:2.06
Lissandra, the Ice Witch
-15.7
Orianna
Tier:Above Average
Score:54.53
Win Rate:54.21%
Pick Rate:2.59%
Ban Rate:0.99%
KDA Ratio:2.46
Orianna, the Lady of Clockwork
-15.7
Pantheon
Tier:Below Average
Score:47.30
Win Rate:47.65%
Pick Rate:5.46%
Ban Rate:4.23%
KDA Ratio:1.93
Pantheon, the Unbreakable Spear
-15.7
Pyke
Tier:Weak
Score:42.77
Win Rate:44.23%
Pick Rate:3.77%
Ban Rate:1.95%
KDA Ratio:1.91
Pyke, the Bloodharbor Ripper
-15.7
Shaco
Tier:Strong
Score:56.51
Win Rate:54.30%
Pick Rate:5.83%
Ban Rate:7.47%
KDA Ratio:2.54
Shaco, the Demon Jester
-15.7
Wukong
Tier:Strong
Score:58.68
Win Rate:57.92%
Pick Rate:3.29%
Ban Rate:1.86%
KDA Ratio:2.42
Wukong, the Monkey King
-15.7