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Choose Champion Build:
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Utility-Based Cass
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Power-Based Cass
Recommended Items
Spells:
Flash
Exhaust
Items
Ability Order
Serpentine Grace (PASSIVE)
Cassiopeia Passive Ability
Introduction

Before starting on this guide, I strongly urge you to read League and Psychology by tapobu. Hopefully, it will shed a lot of light on why certain positions are taken in both this guide and the thousands of others that are out there. It will honestly change your entire outlook on the game, and it's surprisingly accurate.

I have always been a fan of Cass and between her free cycles, I could not get enough of her. Finally, I went ahead and bought her and never looked back. Somehow, I ended up with a method that worked every time, but I could not find the original people whose information got me to the point I am to today. After playing with this lovely lady many many times, I decided to go ahead and give back what I learned through playing her. She is incredibly bursty, on par with champions such as




Usually, very new summoners will search up guides, as I know I did when I first tried playing, and find themselves immersed in new vocabulary that flies right over their head sometimes. Hopefully, this section will clarify some of the LoL terms that can be of use! Included also are links to pages that can further explain each term.


While playing as Cass, one should know that her strengths and weaknesses are greatly different. Even knowing these when playing her can give anyone from Bronze to Platinum ways to understand how to both play her and counter her more efficiently.
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Cons |
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- Initially squishy |
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+ Excellent spell synergy |
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- No true escape mechanism |
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+ AoE slows |
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- Skillshot reliant |
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+ Excellent farm |
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- Mana-dependent early on |
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+ High kite flexibility |
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- Positioning is key |
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+ High range and movement speed |
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- Focused more |
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+ Lane dominant |
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- Not initially bursty |
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+ High damage |
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- Easy to push lanes |
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+ Great harasser |
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- Difficult to play |
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+ Strong throughout the game |
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- Her classic skin is kinda scary.. |


Cassiopeia's passive essentially allows her to spam somewhat easier, especially in conjunction with


Noxious Blast is Cass's main farming tool early game and a heart attack late game. Fully ranked, it deals 235 + 80% of her ability power and by hitting a champion, she gains movement speed and can use her


Miasma's range continuously grows and damages and slows those who pass through it. While mana costs are high in the beginning, it can be used as an escape throughout the game as not many champions want to go through her Miasma. If they do, it's fairly easy to turn around and spam your



Twin Fang is a key part of Cass's abilities, but not the main part. It's a combination of them as a whole. For fleeing enemies or extensive team fights, pair it up with


Cassiopeia's ult, capable of deafening your ears and tickling your funny bone at the same time, can halt your enemies or prevent an onslaught while you and your team shred into them. Providing stuns/slows, it is definitely a must-have in all teamfights. However, it is also the ability of hers that you must take care with. Positioning is key. You are a squishy carry, after all!

Runes




Quints
For quintessences with Cassiopeia, she is slow early game, or at least until she gets her boots.(Where she puts them, I have no clue..) By taking movement speed quints, she gets an additional 4.5% movement speed that greatly benefits her. It is possible to alternative movement speed quints for AP quints if you want that extra early burst of +14.85 ability power.
Runes



Marks
The only runes you should ever consider for any APC are the marks of magic penetration. The early damage you get from them are irreplaceable and probably some of the most crucial runes any APC could use.
Glyphs
There is a wide dispute on whether Magic Resist glyphs are better than Mana Regen glyphs. If a mana item, such as a



Runes



Seals
I prefer taking Armour seals to Mana Regen seals, mostly because it will help you against ganks from the enemy jungler, auto attacks, and in team fights late game. Cass also benefits from these runes against AD mids, such as


Runes




Utility-Based Cassiopeia Masteries

Power-Based Cassiopeia Masteries

Summoner Spells
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Level 1-6
When building Cassiopeia's skill sequence, you have to take into account how her spells work together. Initially, I will put my first point in her Q,






Level 7-11
For levels 7-11, I put my first two points into




Level 12-18
I put the first point into








Item Sequence








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When Draft-Picking, whether for Ranked or Normals, it's somewhat easy to counter the enemy. This section is dedicated to giving a heads up for those Cassiopeia counters, is countered by, and works extremely well with! Cassiopeia is also one of four champions that utilize poison in League, which heavily increases her synergy with certain champions. For Cass, ▲ indicates that she has the highest synergy or the greatest counter to that particular champion. The ▼ means that these are her greatest counters. The explanation will offer more details.
Synergies
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Counters
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Easier Match-Ups
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Laning Phase
The Laning Phase is general 10-20 minutes long, and ends once a few of the outer turrets come down. Champions are starting to build items, rack up kills, and begin focusing on neutral objectives. There are a few key things to focus on yourself, as Cassiopeia:
- Focus on farming, deny where you can.
- Poke where you can, but continue farming
- Even if you happen to die, try and match your lane opponents' farm.
- Watch the enemy jungler's level and make sure you have wards out when he/she hits level 5-6.
- Try and zone your enemy out of lane with
Miasma and
Noxious Blast, and roam when you can. Every bit helps!
Mid-Game
Come Mid-Game, we enter the Post-Laning Phase, the largest portion of the game. Ganks should be taking place and you should hopefully have a few kills under your belt. Team fights will start to break out, but it's not quite 5v5.
- Always keep
Dragon and
Baron Nashor warded. Your Support will appreciate it!
- Controlling
Dragon is critical. Take it when you can.
- Watch for lane changes.
Crest of the Ancient Golem buff is essentially a must-have on Cassiopeia, so make sure to snag one with the help of a jungler, whether it be your own or stealing the enemy's.
Late Game
If the game extends to Late Game, it nearly always comes down to objective control and team fights.
- Always try and keep
Baron Nashor and
Dragon warded.
- If you think they might try and gank you, back up.
- Try to not stay away from the group, or take someone with you.
- Let your bruisers peel while you take down the squishes!

If something doesn't feel right, back up.
I cannot stress that enough for Cassiopeia. Over-extending can result in death, or having to give up farm, and could possibly help the enemy take


Combos
Because Cassiopeia's abilities synergize very well with each other, she has a consistent burst throughout the entire game. Note that on the second combo,the one you will mostly use for team fights, won't always include Cass's ultimate,


I was a little hesitant about originally publishing this build, but it has served me well since I started with Cass. One that that further pushed me into doing it, was not being able to find the build that I originally used. It still kind of sucks, but I do hope others are able to find the information I have presented both insightful and a joy to read. Cass has quickly become one of my favourite champions and I personally believe she is highly underplayed.
Please take into consideration that I will be constantly updating this guide, whether based on finding an item that assists Cass even more, or by suggestions. It will always be changing! If there are any questions, comments, or concerns, I will be happy to address them or explain my reasoning. I am definitely open to criticism of any sort, and it would be appreciated! I hope those of you who test this out find it exciting and have even more success with it than I have! :D


I'm a newblet when it comes to formatting things on MOBAFire, so props to jhoijhoi's Making A Guide and Hawkken's BBCode Codex, because MOBAFire's Elements and Planner style is completely foreign to me. I found IceCreamy's How To Use Columns and Astrolia's Column Guide post both enlightening as well. Why can't it be HTML? BBCode is the worst evar~
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