- Win Rate
- 46.0%
- Pick Rate
- 0.8%
- Ban Rate
- 0.7%
Cassiopeia Skill Order, Abilities & Cooldowns
- Patch
- 26.20
- Games
- 981
- Lane
- All Lanes
- Tier
- All Tiers
- Last Updated
- Oct 14, 2026 UTC
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
Cassiopeia's abilities include Noxious Blast, Miasma, Twin Fang, Petrifying Gaze, Serpentine Grace. Learn how to use Cassiopeia's Passive, Q, W, E, and R abilities effectively in League of Legends patch 26.20.
- Max order
- E > Q > W
- Levels 1-3
- E > Q > W
- Ultimate at level
- 6 / 11 / 16
- Q cooldown
- 4/4/4/4/4s
- R cooldown
- 120/100/80s
Serpentine Grace
Cassiopeia Skill Order (Patch 26.20)
609 games
E
Q
WCassiopeia Mid maxes E (Twin Fang) → Q (Noxious Blast) → W (Miasma): 94% of players use this order and win 44.2% of 609 games. The usual first three levels are E → Q → W. Ultimate points go in at levels 6, 11, 16.
EQWCassiopeia Top maxes E (Twin Fang) → Q (Noxious Blast) → W (Miasma): 94% of players use this order and win 49.4% of 160 games. The usual first three levels are E → Q → W. Ultimate points go in at levels 6, 11, 16.
EQWCassiopeia Bot maxes E (Twin Fang) → Q (Noxious Blast) → W (Miasma): 99% of players use this order and win 46.1% of 115 games. The usual first three levels are E → Q → W. Ultimate points go in at levels 6, 11, 16.
Skill order comes from the level-up timeline of every ranked game this patch. The level grid shows the most common path among players who used the top max order.
Cassiopeia Passive: Serpentine Grace
All Move Speed bonuses are more effective on Cassiopeia.
Cassiopeia Q: Noxious Blast
Cooldown 4sCassiopeia blasts an area with Poison after a brief delay, granting her increased Move Speed if she hits an enemy champion.
Ranked up at levels 2, 8, 10, 12, 13 in the usual skill order.
| Rank | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Cooldown | 4s | 4s | 4s | 4s | 4s |
| Cost (Mana) | 50 | 55 | 60 | 65 | 70 |
| Range | 850 | 850 | 850 | 850 | 850 |
| Cooldown at 100 ability haste | 2s | 2s | 2s | 2s | 2s |
Cassiopeia W: Miasma
Cooldown 24/22/20/18/16sCassiopeia releases several clouds of poison, slowing, grounding, and lightly damaging enemies that pass through them. Grounded enemies cannot use Movement abilities.
Ranked up at levels 3, 14, 15, 17, 18 in the usual skill order.
| Rank | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Cooldown | 24s | 22s | 20s | 18s | 16s |
| Cost (Mana) | 70 | 75 | 80 | 85 | 90 |
| Range | 700 | 700 | 700 | 700 | 700 |
| Cooldown at 100 ability haste | 12s | 11s | 10s | 9s | 8s |
Cassiopeia E: Twin Fang
Cooldown 1sCassiopeia 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.
Ranked up at levels 1, 4, 5, 7, 9 in the usual skill order.
| Rank | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Cooldown | 1s | 1s | 1s | 1s | 1s |
| Cost (Mana) | 45 | 45 | 45 | 45 | 45 |
| Range | 700 | 700 | 700 | 700 | 700 |
| Cooldown at 100 ability haste | 0.5s | 0.5s | 0.5s | 0.5s | 0.5s |
Cassiopeia R: Petrifying Gaze
Cooldown 120/100/80s
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.
Ranked up at levels 6, 11, 16 in the usual skill order.
| Rank | 1 | 2 | 3 |
|---|---|---|---|
| Cooldown | 120s | 100s | 80s |
| Cost (Mana) | 100 | 100 | 100 |
| Range | 825 | 825 | 825 |
| Cooldown at 100 ability haste | 60s | 50s | 40s |
Cassiopeia Cooldowns with Ability Haste
Ability haste lowers every cooldown by the same rule: cooldown × 100 / (100 + haste). 50 haste cuts cooldowns by a third and 100 haste halves them. Here are Cassiopeia's max-rank cooldowns at common haste values — drag the slider to try your own build.
| Ability (max rank) | 0 haste | 50 haste | 100 haste |
|---|---|---|---|
| Q · Noxious Blast | 4s | 2.7s | 2s |
| W · Miasma | 16s | 10.7s | 8s |
| E · Twin Fang | 1s | 0.7s | 0.5s |
| R · Petrifying Gaze | 80s | 53.3s | 40s |
Ability haste cooldown calculator
| Ability (max rank) | Rank 1 | Rank 2 | Rank 3 | Rank 4 | Rank 5 |
|---|---|---|---|---|---|
| Q · Noxious Blast | 4s | 4s | 4s | 4s | 4s |
| W · Miasma | 24s | 22s | 20s | 18s | 16s |
| E · Twin Fang | 1s | 1s | 1s | 1s | 1s |
| R · Petrifying Gaze | 120s | 100s | 80s |
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Cassiopeia Abilities FAQ - Patch 26.20
What should I max first on Cassiopeia?
Most Cassiopeia Mid players max E (Twin Fang), Q (Noxious Blast), W (Miasma) in that order — 94% of ranked games this patch, with a 44.2% win rate.
What is Cassiopeia's ultimate cooldown?
Cassiopeia's ultimate, Petrifying Gaze, has a 120 / 100 / 80 second cooldown at ranks 1, 2 and 3. With 100 ability haste the max-rank cooldown drops to 40 seconds.
When should I level Cassiopeia's ultimate?
At levels 6, 11, 16, as soon as each rank unlocks — that is what the most common Cassiopeia skill order does.
What does Cassiopeia's passive do?
Cassiopeia's passive is Serpentine Grace. All Move Speed bonuses are more effective on Cassiopeia.
How much does ability haste lower Cassiopeia's cooldowns?
At 100 ability haste every cooldown is halved: Cassiopeia's Noxious Blast goes from 4 to 2 seconds and Petrifying Gaze from 80 to 40 seconds at max rank.