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Spells:
Ignite
Flash
Ability Order
Voracity (PASSIVE)
Katarina Passive Ability
Incoming updates
I've seen that TiensiNoAkuma has changed his setup. Now him being the n1 Kat player in the world, and my setup being quite similar to his, it would be weird of me not to go over his changes. Problem is, I don't have the time at the moment.
I NEVER update a guide with stuff I haven't tried out decently myself. Therefore in the future I will be testing out his new setup (it includes more early game power), and if I like it, I'll be adding it to this guide in the future. I will NOT delete the build I've posted here because I have tested it, and it works amply. I'm also convinced the other setup has disadvantages over this one, meaning that both builds could be relevant.
This guide is under construction. I will update it IF it gets some attention / if you ask me about specific subjects.
Katarina is my best and most played champion. I feel that she is widely misunderstood, and many guides on her are outdated, or don't mention what type of champion they're really building.
The guide I offer you is for an assassin Katarina. The goal in this guide is maximizing early and midgame potential, as well as teamfight contribution. I will go in-depth explaining my choices and elaborating alternatives. If you feel I did a bad job here, or left something out, feel free to leave a comment!



Pros
- Manaless +

- Very strong escapes, very slippery champion
- High AoE damage potential
- Strong overall teamfight potential
- Snowballs hard
- Good lategame
Cons
- One of the weakest early laning phases in the game
- Her damage potential is somewhat unreliable. The difference between her max and min damage is huge
- No inherent cc whatsoever
- Depends more on allies than other assassins
- Bad against tanky champions
- Situational pick, relatively many champions inherently counter her
Katarina is an odd assassin due to her having a bad laning phase. She compensates this by snowballing harder than many of her peers, and by not falling off lategame but staying strong. Like any assassin, she shines in the midgame, but due to her good teamfight potential she doesn't fall off that hard after it. Mind I said teamfight "potential". She does NOT have guaranteed strong teamfights. More on this in later sections.
When given free roam in a fight, Katarina play is the most fast-paced of all assassins. Her burst potential in terms of amount of damage in a short timeframe is ppb the highest of all assassins if she can succesfully proc

Katarina as a true assassin is based almost entirely on 2 things: timing and positioning. Timing your spells and calculating your damage is essential to maximizing your damage output (due to











Katarina's most defining skill. Katarina's passive is the main reason she's such a succesfull assassin, as well as the main reason she can be unreliable. In group fights, you can pretty much chain-assassinate ennemy champions due to your spells refreshing on kills/assists.
Due to this spell, maximizing your damage potential means trying to proc Voracity as much as possible! Chain-killing stuff is what unlocks your amazing damage potential!
This skill can actually be viewed as a damage multiplier where damage starts scaling with itself. Anything that gives you a higher chance to proc


Your bread and butter in the lane. This is your main harass skill, as well as your ranged minion farming tool. The bounces on this spell all count as individual single-target spells when spell vamp and Rylai slows are calculated.
The spell is sadly also bugged: if a targetted ennemy walks out of Katarina's line of sight during the travel time of Bouncing Blade, said ennemy will not receive any effects from it, but the spell will go on cooldown.

(Active): Katarina's next basic ability within 15 seconds will have a bonus effect:
Bouncing Blade: Deals full damage to every target it hits and applies 50% healing reduction for 5 seconds.
Shunpo: Katarina takes reduced damage from enemy attacks for 3 seconds.
This spell is meh-ish. I take one point in it at level 4, but that's it. Note that the active portion of this spell triggers on the first spell that hits something. This means that if you use Killer Instincts, Bouncing Blade and then Shunpo, KI will likely trigger on Shunpo due to it's instantaneous nature.
I mostly use this spell with Bouncing Blade to increase my damage output (and thus spellvamp), push a lane faster, or get the healing debuff off on an opponent. This last thing can be done at any time during Bouncing Blade's cast, even when it's already bounced. Thus, you can quickly press W if you see a blade is going to bounce on an ennemy champion and apply the healing debuff.

This spell is your main escape and juke spell in the lane. At later ranks it is a potent nuke, as well as a strong escape on a low cooldown. This spell can be used on ANY targettable object (ally, ennemy, minion, ward, mushroom, JiTB,...) and will always teleport you behind it.
Also, due to


This spell deals a large amount of damage to up to 3 ennemiez. It is channeled, so hard cc's will interrupt it and greatly lessen your damage output. The maximum damage this spell does is 3 times 1040 + 5*AD + 2.5*AP (incorporating the passive on Killer Instincts).
This spell becomes active when it's usable. It can target and damage stealthed units. Like Morgana's ultimate, this spell is effectively a stealth detection tool, as well as brush checking tool. Make sure to

Like Nunu's ultimate, this skill also does not give you away when used from outside vision range.
Seals: Health/lvl is a logical choice. She has no mana, no energy or w/e; so these runes are pretty standard. The survivability is nice.
Glyphs: I prefer flat MR runes. Like all caster assassins, Katarina is very squishy. AP or AP/lvl is an option, but it just pays off less for me.
Quintessences: Here you have some options. The most common viable runes are: flat AP, flat AD, flat Health and Movement Speed.
Flat AP runes give you the largest burst damage. If you can go for very early kills, these are the best, but against competent players this should be rare.
Flat AD runes give you the highest harassing damage (due to your AD scalings). They also help slightly with lasthitting.
Flat Health give you a nice defensive boost.
Movement Speed are my preferred ones. They are good throughout the entire game, helping you in chasing, escaping, juking, positioning (and thus also lasthitting).
The 21 in the offensive tree is relatively standard. You can choose to take


The points in the defensive tree I feel outweigh going into Utility. The mana regeneration and mana/lvl is useless on you, and I prefer masteries that help out early game, since that's when Katarina is at her weakest. (

I level

People used to level

- Junglers were less common. If they ganked, it was often top lane cause that one was 1v2.
- Junglers were more about sustaining themselves and the overall XP advantage. Early ganks were rarer. A lot of junglers just wanted to rush lvl 6.
- Junglers were less mobile.
- Ennemy laners on average had less mobility and a shorter range, thus they could retaliate less.
- Average laners had less cc. Nowadays if you try to harass with shunpo you risk getting stunned and nuked more.




Since proccing






I basically rush a


- The most single-target damage Katarina can get from a single item (Deathcap is better if you're getting full AoE ults off, but let's stay realistic)
- The most sustain you can get off of any item
- The strongest single-target slow you can get. It has the same range as


Now for some interesting followup / filler items:
Sight Ward: You can

-







I made an entire section explaining why I do not get this item early.








Many people think that

It offers you A LOT less damage than




The slow it offers is strong. However, the slow Gunblade offers is stronger. The only thing Rylai offers in the slow department is an AoE slow on your ultimate. But that's only 15%! It barely makes a difference, especially since "people running out of your ultimate" is far from the main problem your ult has. If your ult doesn't do what it's supposed to do, it's because it got interrupted or they blinked/dashed out of it. Gunblade gives you a stronger single target slow on an equivalent cooldown as your ultimate.
The only thing Rylai offers over Gunblade is 500 health. With 15% lifesteal and 20% spellvamp, I think this is meagre. This amount of health takes about 3 minion waves of throwing bouncing blades and lasthitting to regain with a gunblade. The health only really helps against ennemies that burst you down from full health consistently. Though there are a lot cheaper options (




As the laning phase goes on, you become stronger. You're difficult to kill or harass due to high movement speed and

You can generally harass with shunpo and a bouncing blade if your opponent misses an important skillshot and is out of position. If you can pull this off (don't do it if they have a huge minion wave, or a MIA jungle Shaco), you can usually get ahead early in lane. But it takes a special kind of stupid for your opponent to do this.
Once you hit level 6, your maximum damage output is pretty freaking big. Nuke somebody down from 60+% HP? No problem! The only real problem is... Ennemies can interrupt or dash/blink out of your ult. But the fact that your ultimate is there means that they can't use their cc anymore. If they blow whatever it is they use to stop you at any time, you have the advantage (as long as you're not fighting a hardcounter that is). Go for that kill when their significant spells are on cooldown.
As for killing stuff... Your combo is (







Your harassing becomes really strong by the way.


- If they position themselves wrongly, bouncing blades will hit them --> Free Harass!
- If they are ever cc-less, they will either burn their escapes AND take a lot of damage, or die. (Or it's a bait into a gank.)
- Once Kat starts pulling the strings in a lane, she starts snowballing. Often getting ahead with Kat is staying ahead.
Roaming is the act of leaving your lane to go gank a sidelane. This generally only works if they don't know that you're coming, so taking b-routes, or routes you know aren't warded is advised.
Katarina is a strong lane ganker. Either they will have to focus their cc on you, allowing your lane mates to destroy them, or they will eat "tons of damage" to quote Phreak. Due to

If your laning opponent roams, you have 3 choices:
- Follow him and counterank the lane he is ganking
- Go gank the lane he's not going to
- Stay in lane, freefarm and maybe push his turret down
Option 1 is dangerous because the whole act of going to roam could well be just a bait to gank you. Realize this, and don't do anything crazy without map awareness / proper ward coverage.
Option 2 is a good alternative if you're suspecting that it's a bait. Katarina is vulnerable when she's alone in the open (nothing to shunpo to).
Option 3 if your measuring stick. Estimate the payoffs of options 1 and 2. If they're not too big (which is usually the case), stick with freefarming / pushing. If you have proper ward coverage and your allies aren't being stomped, chances are the roamer will fail his gank anyway. Staying and freefarming puts you ahead of him. This is VERY often the case when you're far ahead in your lane, especially against other assassins (who have a tendency to REALLY want kills).
Also realize that if there are 2 minion waves pushing your turret and your opponent leaves lane, if you chase or gank the other lane, you're certain of losing about 250 gold to MAYBE get 200-325 gold.
If ever you can chain-


Step 0) If you can secure a kill on anything, secure it.

Step 1) Keep track of the amount of active cc's the ennemies have, the ranges and travel times of those cc's, and said ennemies' positions. At ALL times!
Step 2) Let the teamfight commence
Step 3) When people have committed, keep track of WHERE all the CC's are.
Step 4) If there is ever a location and time where you can pull off your ultimate without it getting interrupted, GO!
This is why Katarina punishes bad positioning. If the ennemy Alistar decided he wants to

Note that you don't have to pull off your entire ultimate. Your burst is pretty huge and is applied insanely fast. Getting off half of your ultimate is often more than enough to melt 2-3 squishies.
Now this might be your "standard teamfight", but you have other options!
Picking teamfights in the jungle is a good idea
You can quickly reposition yourself with shunpo (and a ward) to any location over nearby walls.

On top of that,


Too bad you're an assassin
Asassins in general have a hard time reovering from getting beaten in lane. I feel Katarina is ok-ish at it, but her lack of utility means that other champions still have an easyer time doing it. Your best bet is to prevent getting stomped completely rather than trying to recover once it's already too late.
Realize it early
The earlyer you realize that you're screwed, the earlyer you can actually do something about it or prevent it from escalating. Buying GP5 items like Kage's Lucky Pick is a good option to minimalize the harm done. Though obviously they work better the earlyer you get them. This does close off a lot of your assassination potential, so getting GP5ves should be a very last resort only. I can justify doing it against

Realize WHY you are getting stomped.
There are several possible reasons you might be getting destroyed. Some problems have obvious solutions.
- You might be getting outlaned strongly. Getting assistance from your jungler can make almost any lane managable. Ask for help early, because the chance that your jungler can INSTANTLY help you is slim.
- You might be getting focussed by strong ennemy gankers. There are only so many situations

- You might just be getting zoned and denied. Look around, see if any ennemies make stupid mistakes or play very agressive by nature. Katarina is a good sidelane ganker, and some succesfull ganks can snowball you right back into a game. Do consider the stuff I mentioned in the roaming section of this guide though!
What about teamfights?
Imagine: it's lategame, you're a denied assassin, and teamfights occur. You're essentially useless.
Katarina's lategame potential comes from the fact that she's not that reliant on her ultimate. You can burst down an ennemy squiqhy from full health with only half or less of your ultimate. However, if you got hindered, you'll need to get off more damage from it. That means spinning longer without getting interrupted. There are a couple of ways you can cope with this:
- Look for that perfect opening. Getting full ultimates off against an organized team is difficult. But let's face it: how many teams organize thmeselves well? Keep doing what you do best: exploiting positioning errors! Kill the squishy that got out of position.
- Set up teamfights in favorable locations. As discussed, Katarina does extremely well in jungle fights. Set up jungle ganks/fights, and take an

- Killsteal. Katarina snowballs HARD at any time in the game. If your far behind, it CAN be a good idea to be an ******* and clean up like a cowardly weasel. Knowing when this is beneficial and when not is something even I'm not knowledgabe on. I've honastly only been in a situation where the game was so dire that this was an option once.
Itemization options
This is a difficult subject because Katarina's optimal itemization already depends on how well the teams are doing as a whole relative to each other. Generally the more extreme you're doing (horrid or fantastic), the more I prefer to go for pure damage. My view on the matter is that if you are far behind, you either need 20 minutes of undisturbed farm time or you need to make some higher reward (which generally involves higher risk) plays.
1) If there are recurring patterns that kill you, you have to counterbuild to them.
- If they are locking you down with hard cc or surpresses, rush a

- If they have anticarries chasing you around,

- Any specific ennemy getting fed?

2) If there are no recurring bad situations and you're feeling useless, I like getting full damage



Tunnelvisioning
A lot of Kat players tunnelvision. Getting a kill is so powerful on you because of

Killstealing
Secure every kill. But don't steal every kill. If the kill is already guaranteed, then your

Rushing

I think I've bored you enough with this point already
Itemizing for CDR
A lot of Kat players like rushing as much cooldown reduction as they can get. This is not an assassin Kat playstyle. These builds tend to be more about playing her as a tanky sustained damage mage like Vladimir or Mordekaizer. I dislike this, because I think Vladimir and Mordekaizer do it plain better. If you're playing Kat as an assassin, your goal obviously should be to kill ennemies with your huge burst potential. Said burst potential procs

Basic combo:







Pocket flash: Sight Ward

Harassing scaredycats:


Surprise turnaround: Sight Ward behind a wall or into a brush,



These guys should be food for Kat

Your n1 dinner guy. Your high mobility means you can dodge all his spells. His low mobility means it's hard for him to position himself out of

Oh, and


Yes, she outdamages you hugely. But everybody does. Dodge ALL the Q's, and you'll win.
Oh, and




A bit controversial, but in my mind Katarina does counter him. Your grievous wound does mess with him a bit. You can whittle him down pretty hard. This lane is a bit riskyer than the other ones, because it's way more managable for Vlad than for Cass and Karthus.
The Worst
This should be difficult...

Triple blink on her ult means that she can blink out of your ult, wait till it's over, blink back in and kill you. And even if it's on cooldown she STILL has



Yeah... Who doesn't hate this guy? :(
Multiple blinks + a silence means you can't really ever pull your ultimate off, he can escape everything, and he has strong harass. Not to mention you using BB to lasthit procs his E.
The absolute worst and most horrible
This lane can't ever even get managable. You will lose.

Just everything about her kit outdoes yours in the lane. You WILL get denied and suffer. I would not suggest ever picking Katarina against a Leblanc.
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