If you just want a quick overview on Cassiopeia's skills here's a link from Riot giving a quick

Champion Spotlight

Play Video

Her skills are what puts Cassiopeia a pseudo-carry, I really can't view middle laners as AP Carry because they rely on spells and team mates. Unlike ADC like Miss Fortune or Varus, they rely on auto attacks and keeping themselves out of range with team mates (like Cassiopeia), except Fiora, Gangplank, or Master Yi who are melee and somewhat tanky. Carries are champions who do the highest damage range per second to other champions on with attack-speed and attack damage. Mid laners don't have that quality except damage. With Cassiopeia's DoT spells, I view her as a semi-carry like Zyra or Diana

Summoner Spells

The Path to Somewhere..?

These are spells that give a vibe to other players because:

-They aren't at level 12 in the Summoner World
-Have problems surviving their lane
-They so don't read guides
-Probably stubborn in life
-Troll win/lose

Do I need to explain the rest of the spells..?

Cassiopeia's True Power

You will not ask for a better passive than this. As you cast your spells, every spell you cast grants an 10% mana cost reduction and with your combo, you will be on fire and still take control of your lane when your opponents come back. Spam your spells with this benefit too if you want on your opponents to keep some pressure. But don't abuse this wonderful passive too much once the max stacks of your passive is gone and always look at your mana pool before using your skills.

Snowball/Easy Going Cassiopeia

ACTIVE: After a brief delay, Cassiopeia blasts a small target area with an explosion of poison. All targets hit are poisoned and dealt magic damage over 3 seconds. Cassiopeia is granted a movement speed boost for 3 seconds if she hits a champion with this spell.

ACTIVE: Cassiopeia throws a growing cloud of poison to a target location. The area lasts for 7 seconds and provides vision over it for the duration. Any enemy that passes through it is poisoned for 2 seconds that is renewed by continual exposure.
Poisoned enemies receive magic damage each second and are slowed.
God I love this skill. I rely on this more than Noxious Blast, however I max this last. Even though the damage per second is godly, cmon... What dumb fool would stay in a purple cloud of gas that does damage . Plus it lasts 7 seconds. No one would stay in there for 7 seconds for the spell to give full effect. With that said, you can separate a team easily.However the purpose of this is so flexible even before level 6. This could slow, which can accommodate your land on Noxious Blast. Once someone is stunned, splash Miasma out there and your Noxious Blast + Twin Fang will land you a kill. Did I mention it gives vision? If you wanna check a bush, you can use this as well with it's long range.


ACTIVE: Cassiopeia sinks her fangs into target enemy dealing magic damage. If the target is poisoned when hit then Twin Fang's cooldown is reduced to 0.5 seconds.
Did I mention this thing refreshes to 0.5 seconds if the target is poisoned? Well good. This plays a key role to your damage but uses excessive amount of mana without Deadly Cadence in effect. Also don't use this to farm... And depending on your opponent, I max this second. If my opponent sucks, snowball and max twin fangs first.

Early Game Items/Starting Point

Early Game Item Situations and Solutions

When you go back after the first 5-10 minutes, you should at least have 700-1000 Gold on you and there are times when the enemies you have can be easily counter by an item. You should look at your enemy and already analyze what they can do.
When you own your lane, don't read this anymore. You should be having 1600-2000 Gold and doing your best to slow down your mid lane.

Situation One
Nothing's really happening...

Your lane is bland and you are actually not getting ganked, you're just farming and not really doing damage to each other, fair amount of farm, and equal skills, AP, and champion qualities.

Get. Those. Rings. Survivability, AP, and Mana Regen will do you some justice when you see that perfect poke when your opponent makes a mistake while farming. Especially when you're not really doing anything with your mana and your skills at this point are a little inexpensive which makes you last a bit longer.
Sight WardSight Ward
YOU MAY NEVER KNOW WHEN AN ENEMY JUNGLER WILL GANK.




Situation Two
Your enemy is a fly on the wall.

Might had died once and you're sorta thinking "I Can Do This Way Better." You guys are poking at each other and having minor survivability issues that could be solved by Health Potions and punishing.

This solves your mana issues and magic resist. You're able to poke more and resustain yourself some mana when they go back, which leads you to free farm, push and gank a lane while they're away.
or

I think you know why by now.
or

Rush this. Kite, Run, Chase, and Kill them all the way with this. This will solve any general AP mobility issues and gives some survivability. Especially if your enemies have a starting Doran's Ring with gross speed.




Situation Three
Ow.
You've got someone ugly thats nailing you down to the bone and you've died aa few. Your enemy has high AP Damage with In-Your-Face range, and debuffs that affects you greatly. In fact, you WILL DIE
when you even go near to your farm.

For AD MID CHAMPIONS

I like this item a lot actually. Even when the enemy isn't really do much to me when I'm in mid lane, I'd still get this so I get a nice boost before they come kick my as*. Rush this if possible.
You can later on create a Zhonya's Hourglass
For GENERAL MID CHAMPIONS
Catalyst the Protector
You may build this to a Rod of Ages, even tho I detest this item of Cassiopeia (I will explain why later). This is like maximum survivability or your "I HAD ENOUGH OF THIS" item. And this is good because there's some resustain and HP and MP. Farm with your Noxious Blast if you can, move on and get Rod of Ages soon and exchange it for something as later in the game, your tanks will take the damage for you.
or
Kage's Lucky Pick
If you get this item, roam around for a while and keep an eye out for everyone or farm. This boost alone will solve a part of your farming incapability. Warn your team mates if your lane is roaming.
or

You actually can't get your spells out there. With this, you can't go wrong with the HP(even tho its nerfed). This will build into Rylai's Crystal Scepter, your core item.

Mid Game Items

Late Game Items/Situation Items.

It's like, what, 30 minutes into the game? Core items are on and you'll need all the stops out of this game to end it, help your ADCarry kill everyone, and win.

Completely Viable Items

No

I don't want to fix the indent on the Hybrid columns because you'll probably stop after No.

Lets summerize

Rod of Ages vs Rylai's Crystal Scepter

You've noticed why I haven't put Rod of Ages. In that old Cassiopeia guide I saw, he titled it:

ROD OF AGES, I HATE YOU WITH A THOUSAND SUNS

Here's why I agree.

So which one do you buy?

Void Staff and Liandry's Torment

Void Staff Wins

Another Example:
36 MAGIC RESIST

30% of 36 MAGIC RESIST = 25 MAGIC RESIST ON ENEMY

36 MAGIC RESIST - 15 MAGIC PENETRATION = 21 MAGIC RESIST ON ENEMY

Coming soon