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Karthus Build Guide by Mikuroo

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Not Updated For Current Season

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League of Legends Build Guide Author Mikuroo

Karthus - Repeat sign of Death ♪ Mikuroo

Mikuroo Last updated on March 9, 2012
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Normal

[VS]

Strong Enemy Jungler

Ability Sequence

1
3
5
7
9
Ability Key Q
4
10
12
14
15
Ability Key W
2
8
13
17
18
Ability Key E
6
11
16
Ability Key R





Not Updated For Current Season

The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.



Masteries

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sunder
4/
Archmage
 
 
 
 
 
 
1/
Executioner
 
 

Offense: 21

 
 
 
 
 
Durability
Vigor
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Honor Guard
Mercenary
 
 
 
 
 
 
Juggernaut
 
 

Defense: 0

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Strength of Spirit
Intelligence
 
 
 
 
 
 
 
Mastermind
 

Utility: 9


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Introduction

hello, this is Mikuroo with his guide to playing Karthus on Summoner's Rift! Please note that you do not have to follow everything exactly, and that this guide is to help you along. I hope this guide will fit many peoples needs! PLEASE READ ALL OF IT BEFORE VOTING. I WOULD REALLY APPRECIATE IT!.

This guide works well with really any team, and should be used when your jungler really needs blue buff to farm properly, because Karthus does not need blue buff. His Defile gives him back enough mana from last hitting.

However, Karthus does need a jungler with strong ganks, because karthus alone cannot really go for the kill, but harass with his Q once and a while .

Karthus is a underrated champion that I do not see nowadays too much. However, he is a very good champion that most people call a "noob champion" or a "Press R, GG". However, if you ever play or try karthus, you will realize this is wrong.

Well, onto the guide! Enjoy!

Credits to jhoijhoi for the template, which you can find here.


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Pros and Cons

Pros / Cons
Pros
+ // He has a global ultimate
+ // He has really good farming ability
+ // After dying, he is still useful
in a team fight.
+ // He does great sustained damage
+ //does not need blue buff
+ // He has a great 80% slow, also
increasing his teams damage.



Cons
- // Not enough burst in comparison
to champions like Brand
- // Must be very well farmed.
- // Global Ulti can be countered
- // Very Squishy, and if passive is
not ultilized, you will be useless.


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Masteries

Masteries
4/1
4/5
1/1
3/5
4/1
4/
1/
2/5
3/1
3/5
1/1

I go 21/0/9 for many reasons. I believe that late game karthus is a beast, and the last masteries in the offense tree are therefore a must. Executioner is a must on karthus too, because every time you use Requiem, your target should be below 40% health.

The points in the utility tree are obvious for an AP Carry, and the mana regen is needed if you are not going to take blue buff. Wait, if I'm not getting blue buff from my jungler, why do I need Runic Affinity ? because late game you will need blue buff, and your jungler will not. You will only be giving it to him early game to raise his clearing speed.

Overall these masteries are quite self explanatory. However, I feel I have to explain why I do not go 21 points in utility like many other Karthus' do. I feel if you are going AP carry with karthus, you really need all the AP Help you can get. What are the points in Utility going to do for you? Close to nothing! Karthus is a really underrated AP Carry, and when well farmed he does amazing damage.


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Runes


THE RUNES IN THE CHEAT SHEET ARE THE ONES I LIKE TO USE, SUITING KARTHUS THE BEST. IF YOU FEEL LIKE YOU WOULD LIKE TO USE OTHER ONES, GO AHEAD. I'M NOT GOING TO HUNT YOU DOWN.
Runes

Greater Mark of Magic Penetration
9

Greater Seal of Mana Regeneration
9

Greater Glyph of Scaling Magic Resist
9

Greater Quintessence of Ability Power
3
  • : The 15 extra AP is almost needed on every AP Carry in the game I think. I cannot think of any quintessence I would take otherwise.
  • : Magic penetration. It increases your early game damage, so you can carry yourself into the late game.
  • : So that you don't get demolished by Ap Carries. This is quite unimportant however, and you may replace these glyphs if you want. I really will not mind.
    : Some people use this, but I find that that little bit of magic resist goes a long way. Your choice.
  • greater seal of replenishment: We need mana regen to sustain. I do not however, take mana per level, because I will have enough mana late game, and I will be taking blue buff late game. These are good, because early game with Defile passive, Tear of the Goddess, I will never run out of mana, and I will still be able to harass with Lay Waste.
    : the reason I do not use these is stated above.
    greater seal of vitality: These are the runes someone suggested to me, and I do believe that they would work, however, I believe that Karthus needs mana regen. Why? you ask me. doesn't Defile give all your mana back? Yes, it gives some, but since Lay Waste will always be at a higher level then Defile, it will be giving back less mana then a Lay Waste. Still, these are great.


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Summoner Spells


[Flash]: This spell is almost needed I think on Karthus. This is because your only escape method is Wall of Pain. Early game, this is horrible, and you need escape routes. Also, this can be used to position yourself for a death so that you can abuse Death Defied.
This spell gives you that extra power when your Requiem just won't cut it. I know most mid karthus' take Teleport, but since I have tear of the goddess and rod of ages, I certainly don't need it. So this is the next best spell. It is also good at first blood, an people with insane healing (skills like Sadism, or just lifesteal).

[Teleport]: I really believe this is needed on karthus. It gives him so much sustain, that all he needs to go back for his HP. If you dodge skillshots, this is not a problem. Also, late game Karthus is quite a good pusher with Defile.


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Ability Explanation

Ability Explanation
Many people on Karthus will max Lay Waste, then Defile, then Wall of Pain and max Requiem whenever possible. I however, disagree with some of this.

You should max Requiem whenever possible

however, the rest of the skills are optional. You really do not have to max Lay Waste, but it is most recommended. your skill order should be based on your jungler, and what level of Wall of Pain you need to secure kills. a 40% slow is so much worse then a maxed 80% slow, and the resistance drops are enormous.

most games, you should max Requiem whenever, Lay Waste first, then Defile, then Wall of Pain. BUT THIS IS NOT WRITTEN IN STONE. IF YOU FEEL YOUR JUNGLER IS NOT GETTING OFF GOOD GANKS, POP A POINT INTO WALL OF PAIN


Below are my in depth explanations of the skills that are needed and used on Karthus, and several tips on each of how to use the skill. I spent most of my time in this part, so I hope you enjoy!!!


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Build 1 and 2 - Differences?

What’s the difference between these two builds? Well, there is only a tiny slight difference, but I felt it made enough of an impact to create another build, and make a section to explain it. The problem is, level 2-3 ganks are very common and often successful. If you do not take Wall of Pain early, follow the first build, then you will die to any good gank.

Build 2 takes wall of pain at level 2, and then Defile at level 3. I then proceed to make Lay Waste, as usual. However, instead of maxing Defile as soon as possible, I throw a couple of points into Wall of Pain, to strengthen the power at which you can stop ganks. It’s really not much, but it’s worth it.

Also note that if you go by build 2, You will have to take a bit of effort last hitting so you do not run out of mana too easily, due to no level two Defile mana passive. Plus, the fact that your Lay Waste doesn’t really do any damage.


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Each Skill Section TL;DR


If you really don't want to read my essay about each skill, it doesn't really matter to me, but I still think I should summarize each skill for you and tell you the important parts that you need to know during the game. So here are the brief skill summaries:
  • – This skill allows you to live after death for 7 seconds.
  • – Use this skill to harass and last hit minions. Abuse it’s short cooldown.
  • – Your slow, killing tool, escaping tool, it has a very large range.
  • – Early game, you use this for the mana, leave it toggled off. Late game, toggle it on for great aoe damage.
  • – This is your signature move. KS some peeps, get fed, win games.
    And those are Karthus’s moves bottled up in a sentence or two each! If you really want to read my in depth essay version of each, be my guest. I didn’t write them for nothing…


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Death Defied


(Innate): Upon dying, Karthus enters a spirit form, which allows him to continue casting spells for 7 seconds. During this time, his abilities cost no mana

This passive is in my opinion is what makes Karthus good. All Ap Carries have to be squishy in order to deal enough damage, but this is what lets karthus go almost full AP without losing too much damage output. As the other team focuses you first, you get to keep dealing damage for 7 seconds, and allows you to cast your ultimate without interference. REMEMBER, YOU WILL BE STUCK ON ONE SPOT
Tips:
  • Sometimes in a team fight, you have to die for your team to win. Make sure to die in the middle so that your Defile deals its maximum damage, and use Wall of Pain to keep enemies in range. Spam Lay Waste for damage output, and if your team needs it, cast Requiem before the 3 seconds ends.
  • If you bait your opponent into killing you first, you team will have the advantage because they used abilities on you, and your team can now demolish the other team without worrying about stuns, snares or slows. You can continue dealing damage.
  • Sometimes it is smart to die so that you can use Requiem. It is risky to use requiem while alive because if you die, it is wasted , and by wasting this skill, your team is put at a huge disadvantage.


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Lay Waste


(Active): Creates a delayed blast at the cursor position. After a half a second delay, it will deal magic damage to each nearby enemy. The damage is doubled if it hits only a single unit.

Cooldown: 1 second
Range to Center of AoE: 875
Radius of AoE: 100
Cost: 20 / 26 / 32 / 38 / 44 mana

Magic Damage (Multiple Target): 40 / 60 / 80 / 100 / 120 (+0.3 per ability power)
Magic Damage (Single Target): 80 / 120 / 160 / 200 / 240 (+0.6 per ability power)
Tips:
  • This skill is your main farming tool. Karthus can farm with Lay Waste because of the mana return from Defile. This is convenient because his auto attack animation is not very great. However, because of the insanely low mana cost, you can use this to charge your Tear of the Goddess, and poke every couple of seconds.
  • This skill does double damage if it only hits one target. Use this when last hitting minions. But also remember that it has a small explode radius. If you put this on top of a minion, it will probably hit other minions, which risks not getting the last hit, and also pushing the lane. When you last hit, place the mine slightly away from the minion. Below is an example of this.



  • You can hide this skill under minions or champions so that it hits. It is actually not very noticeable, and if you catch your enemy not paying attention to the ground, you will get easy harass. Try to find out which direction they will walk in and play mind games. [/color]THIS SKILL DOES SOOO MUCH DAMAGE WHEN IT HITS, ABUSE ITS 1 SECOND COOLDOWN

  • If you cannot hit this spell, honestly, you will not be able to play Karthus. This is your main damage output, if you cannot predict your opponents path to hit this, you will be useless.
  • You also have to remember that this skill gives sight. It is an excellent face check, for little to no mana, and an 1 second cooldown. This will allow you to never walk straight into a bush ambush, as long as you are aware and check bushes with this skill


Landing This Skill
  • The most important part of this skill is really how to land it and deal the maximum damage, abusing its one second cooldown. Below I will show you some tricks and tips on landing this spell in a real game, to abuse Karthus' strengths.
  • Know the enemy champion, the playstyle of who you are laning against. Remember, if you lose your lane, then the other teams mid will be fed, and will start winning them the game. And worst of all, it will be your fault.
  • So how do I find this out? See how he dodges your Lay Waste, and this is where mind games begin. Your opponent WILL NOT continue a same pattern for the rest of your game. BUT YOU HAVE TO CONTINUE LANDING YOUR Lay Waste'S. It may be hard, but remember, its on an one second cooldown!
  • The easiest time I find to hit my Lay Waste is either when the opponent is trying to last hit, or he is trying to harass me. Their movements are much more easily predictable, and lead to easy hits. If they are moving so that they can hit you with a skill shot, but you are behind creeps and they need a better angle, put your Lay Waste where you think they are going, and chances are you will hit.


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Wall of Pain


(Active): Karthus creates a wall between 2 obelisks at target position. Any enemy passing this wall have their armor, magic resistance, and movement speed reduced for 5 seconds. The wall lasts 5 seconds.



Cost: 100 mana
Cooldown: 18 seconds
Range to Center of Wall: 1000
Wall Length: 800 / 900 / 1000 / 1100 / 1200
Maximum Wall Sight est.: 1300 / 1325 / 1350 / 1375 / 1400

Armor and Magic Resist Reduction: 15 / 20 / 25 / 30 / 35

Slow: 40 / 50 / 60 / 70 / 80%
Tips:
  • This skill is your only form of cc. However, it is a very good spell. At max level, it slows by a massive 80% for 5 seconds, and it has a huge range, not to mention 35 armor and magic resistance. This spell allows for your team to pick off stranglers very easily when positioned correctly.
  • After dying, use this skill in combination with Death Defied so that you can keep enemy champions in your range for Lay Waste. If you die and you cannot deal any more damage, that is a wasted passive, and a huge disadvantage to your team.
  • You do not always have to put this horizontally, in case you miss your opponent, or you place it in front of them and they just Flash over. Either put it on top of your opponent exactly, or put it in a straight line that your opponents are walking on.
  • Do not forget that when you are running away, this skill can block almost every pathway in the game, if not all. Use this wisely, it could mean the death or life of your teammates, maybe even the fate of the game. NO PRESSURE.


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Defile


(Toggle) - Off: When Karthus kills a unit, he restores mana.
On: Drains mana to deal magic damage to nearby enemies each second.


Mana Restored: 20 / 27 / 34 / 41 / 48 per kill
Radius of AoE: 550
Cost: 30 / 42 / 54 / 66 / 78 mana per second
Magic Damage: 30 / 50 / 70 / 90 / 110 (+0.25 per ability power)
Tips:
  • This skill is amazing, and every AP caster in the game wished they had this skill. Except for Kennen. He can go die. and anyone else that doesn't use mana. Anyways, this skill allows for sustained early game, and damage late game. You will have it toggled off during the laning phase, for the passive mana regen from last hitting. You will have it on when attacking opponents, and you won't run out of mana quickly because by now, you will have alot of mana.
  • There really is nothing more to this skill. It is really simple, I mean, mana regen, and insane aoe damage. However, one thing that should be pointed out is that during a team fight, this should always be [/color]ON If you turn it off, you lose damage. Simple as that. Keep it ON while you are dead also.


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Requiem


(Active): After channeling for 3 seconds , Karthus deals damage to all enemy champions.Cost: 150 / 175 / 200 mana
Cooldown: 180 / 150 / 120 seconds
Magic Damage: 250 / 400 / 550 (+0.6 per Ability Power)
Range: Global


Tips:
  • When people think of Karthus, they think of this skill. This is what makes everyone assume karthus takes no skill. However, there is alot of responsibilities and skills that go along with having this global ultimate. Do not, ever in your life, over estimate this skill. EVER. It will make your attempts at using this fail.

  • Only use this skill when you are sure you can get a kill. If you miss a kill, I assure you a minute later, when it is on cooldown you will be like "DAMMIT IF ONLY I HAD MY ULTIMATE!" This skill allows you to get fed without beating your laning enemy champion. This also means, do not use this skill on people that have a spell shield, unless it is on cooldown, like Sivir, Nocturne, or a skilled Shaco that can time his deceive perfectly. The list goes on, this skill as you can see, is not that overpowered and can be countered easily. TIMING IS EVERYTHING ALWAYS SEE IF YOUR OPPONENTS HAVE Heal!
  • Every time you buy an item, re check how much damage this ability does. Most of the time you are going for a kill, you should remember this number to make sure the opponent will die. This is fairly difficult later game, as you will have to judge magic resistance and magic penetration. ON THE SPOT. Get used to it, ALWAYS KNOW HOW MUCH DAMAGE THIS DOES. You miss that kill by 30 hp? Poor baby, you can whine all you want and say LUCKY WOW QQ all you want in “all chat,” but you can only blame your judgement.
Landing this Skill:
  • I know what you may be thinking right now. This skill has a 100% hit rate, why are you writing this? I am talking about landing this skill successfully. In order to get fed, you actually have to get kills with this and pick off what your teammates couldn’t get. What does this mean?
  • This means map awareness, and watching constantly on your map for chances. Better yet, if you are playing a solo/duo or a premade 5vs5, have you team yell out when to ulti. By having good communication, you can get easy kills with this. By telling your team also right before you are using Requiem, they can go and try to set you up with a double, or possibly triple kill.
  • Never. Ever. Use this in lane. Use it under a turret, or safely inside a bush where enemies are not near.Why? Because you would not believe how easy it is to interrupt this ability. Silence, stun, Impale, basically anything will make you Q_Q and waste your ultimate, waiting another gabillion seconds before it gets off cooldown. Okay, so now you understand that, you also have to understand that you won’t always have that precious time to walk under your turret and cast Requiem. Remember, your team may get a sudden near kill, and if you weren’t positioned correctly to cast Requiem you may have lost a kill. Abilities like Wish may counter your ultimate, but not if you had casted Requiem a few seconds ago. THINK.


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Laning Phase



Warding


You should buy wards whenever you think you need them. Do not blame your team for not calling mia's or your jungler/support for not warding. It is really you who benefits most from wards, because if your lane opponent gains advantage, you are going to be zoned and this will generally lead to a ****py game.

However, this does not mean stack up on sight ward, because you need your core items too. Learn when and where to ward, if you ward the bottom river, you do not need to ward top river if you stay closer to the bottom river. Wasting money is Lowering your power.

Last Hitting


You should be last hitting with Lay Waste, and focus on that. Remember, do not play Karthus as a burst character like Kennen. You have to play conservatively, do not worry, you will get late game to get kills. Also mentioned above, by playing passively, no one in middle lane will get kills. Except you. With Requiem. Passively harass with Lay Waste, and if the moment really shows itself, go for the kill. However, do not use Flash to get kills, you need it for when the enemy team pulls off a good gank.

Karthus is good at pushing his lane, but I would advise against it. Push as much as the opponent is pushing so as to not lose farm to your turret, but do not push. IF the opponent pushes, all you have to do is spam Lay Waste, you do not even need Defile on because Lay Waste pushes soooo hard.

Read the section about Lay Waste on how to last hit more effectively.


Fighting
Fighting is really the most important part of the game. As Karthus, you want to place Lay Waste off cooldown, but keep Wall of Pain up whenever, because it disrupts, and lowers resistances. Keep Defile up whenever, you should have enough mana to.

DO NOT EVER REQUIEM IN A TEAM FIGHT WHILE ALIVE, UNLESS YOU CAN GET A PENTA-KILL. If you start a requiem for one kill, and they kill you, then you just lost that kill. You could've waited for death and then requiemed, and your team would be much better off.

Check out each section for each of the skills to learn how to use them best in a team fight, or maybe just a 1vs1 fight.


Dying


Karthus' Passive is amazing and one of the best passives' in the game for team fights. Read the section called Death Defied for more information on positioning this skill and using it to your advantage to the best extent.
Dragon/Baron

Ok, so I know Baron Nashnor isn't during the laning phase, but he is kind of similar to dragon, in the way that they are both super important neutral monsters.

One of karthus' advantages on taking these important monsters is that his damage goes through the roof. This Is because Karthus' damage is broken 1vs1 against a stationary target. AND WHAT DO WE KNOW THAT'S STATIONARY? you got it! Dragon and Baron!

Why is karthus' damage broken? Lay Waste. It's single target damage is really amazing, add it's 1 second cooldown, then take the constant aoe damage of Defile, then take the magic penetration of Wall of Pain. These abilities combined allow your team to take baron or dragon earlier then usual, so take advantage of these.


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Team Fights


During a team fight you have several decisions:
1. Your team has a good position and advantage over the other team. Stand back, slow the enemies with Wall of Pain, try to hit the carries so they die faster. Keep defile on, but stand back and keep using Lay Waste. Only when all of the other team is running away may you use Requiem. Do not risk getting your ultimate cancelled by a stun/silence.

2. It looks pretty even. This may sound funny, but find a good place to die. Maximize your damage output from this location, using all your abilities as you normally would. NOTE: Do not walk into battle and die in 2 seconds, your long term goal is to die. Do enough damage and make their team waste cc on you first. If you are planning to use Requiem, use it before the last 3 seconds of Death Defied.

3. Your team is going to lose. Run away, for heavens sake your the AP Carry, you are worth more gold. Do not forget to Wall of Pain. Also, if the enemies are far enough from you, you may kite them with Lay Waste.


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Items


These are my item choices, Feel free to change them to suit your own needs. However, I find that these items are the most efficient, But work best with a GOOD TEAM, AND COOPERATION SKILLS. I will explain my choices for each item below, add some optional items, and explain why I do add some of those optional choices in my main build.

  • Boots are required early as an AP mid to dodge all those skill shows that most champions have. These plus the 3 health pots give you great sustain. Karthus really has no sustain, so these help early game when you are still trying to figure out your opponents playstyle. Mistakes happen!

  • I consider this a core item, as on most AP Carries. mercury’s treads are not even viable, and do not even say anything about Ionian Boots of Lucidity, If you think your Lay Waste needs a lower cooldown, then you’re wrong.
  • I rush rod of ages because it gives me the early game sustain, and rushing it is better for the stacking of the item. I am not saying you should always buy this first, it is just a lot better when done so. This item gives good mana and health, and a nice chunk of ability power, and I consider it a core item.
  • This is a must on all AP Casters, most of the times. It maximizes ability power, which is what you need during this part of the game. There is really not much else to say, this is so cost efficient and gives so much for so litte.
  • This item is in my build because of the crazy sustain it gives. Early game, you may not have to recall for quite a while. Also, late game this will give you a bit more time to deal your damage, with your Defile and Lay Waste. Also, Zhonya's Hourglass will give you a heal effect.
  • After experimenting with builds, I put this in my main build. However, I do not think this item is superb or anything really, it is just that there are no really good other choices. Many people say this makes Karthus a good initiator, and it is kind of true. Still, this item is really good. Remember, Defile still works will this is active.



That is my main build that I usually use. Next are the items that we could use, or that I just couldn't fit into my build. If you do not agree with my reasons, feel free to tell me, In fact, I invite you to!
  • Sometimes you just don't even need this item because of all your magic penetration. Your Wall of Pain, plus your runes, plus your masteries. Buy this after Archangel's Staff only if the opponent has quite alot of magic resist.
  • I get this second because I need to give it time to charge up by the time I buy Archangel's Staff. This is also great because it increases the amount of poking you can dish out. I believe Tear of the Goddess is a must on karthus, to abuse his 1 second cooldown on Lay Waste.
  • This should be quite nicely charged up by the time you buy it, and boosts your Ability power by a lot. I used to have this is my guide, however, it was pointed out that Rod of Ages and Teleport was enough mana sustain.
  • This is a great item on karthus because it allows for extreme kiting and chasing. By hitting your first Lay Waste, you can then proceed to kite a person forever! If you are having troubles landing one, no proble, lay down Wall of Pain first. This also gives karthus the Health he needs early game to not be squishy.
  • These items are nice items that will give you the survivability. I would buy these items if your team is kind of sketchy, and you cannot trust them to finish off the enemy team after you have truly died. (after Death Defied duration). However, I do not normally build these.
  • This item is actually good on all casters that get alot of ability power, however, I do not get it because it cannot be casted while a "ghost" in Death Defied ( I think, correct me if I'm wrong). If the other team is pretty tank, feel free to get this, and buy kage's lucky pick early, right after Tear of the Goddess. Build this as your last item, or second last.
  • This is possibly the worst item to get on karthus, and many people who have not really played karthus would think it is so good. Sure, you can stack so many kills by Requiem, but in a team fight, your goal is realyl to take focus, die, and deal more damage. Then lose 1/3 of your stacks? Have fun with that.But if you feel really confident in your team, LIKE REALLY CONFIDENT, you can buy it. Why? because after death, you will receive 4-5 stacks from assists anyways. Of course, only if your team is competent and picks off all the kills.
  • This item is very good against AP Carries, and also gives you good health and mana. If you want to put this into your build, I would suggest taking out Zhonya's Hourglass, but I really do not think it is necessary. However, it is all opinion, so I’m not stopping you,
  • All the other items I have not covered, I feel are pretty much self-explanatory on why they should not be bought. CDR is useless on Karthus, and If anyone wants to argue, feel free to PM me. More mana regen is not needed. Lich Bane does not work well because you want to be moving around, and stopping only to cast Lay Waste.


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Other Solo Mids

These are some popular mid champions, and how to play against them. If you have any suggestions, feel free to inbox me, I haven't played all these characters to the full extent, and some of these are my assumptions. Red headings mean hard. Yellow headings mean a fair match-up. And green is an easy match-up.




Difficulty rating:Hard

//Ahri tips: dodge her ball and everything is all good. if she misses, lane gets pushed (provided you stand behind minions). keep in mind that at six, she really can't kill you without exchanging deaths unless she gets that charm off on you. if you can stand in your minion wave, she will be forced to stand in your defile and take Q's and eventually your ulti. As long as you can land Q a couple Qs you probably be able to trade deaths at 6 +




Difficulty rating:Easy


//I ranked anivia as an easier champion to lane against because her only reliable attack is her Flash Frost. If she doesn’t land that, she can’t do damage. Plus it is super slow. But, do not underestimate it, it is just a harder version to land then your Lay Waste, and if she does, Frostbite will take a huge chunk out of your health. Her passive is useless, because after she converts into egg form, you just have to spam Lay Waste. Egg = useless against karthus. anivia protip: if she throws your stun at you, run left, right, or forward to her. most pro anivias will aim slightly behind you b/c they expect you to run back



Difficulty rating:Medium

//This is quite a fair match up, don’t let her get close, Lay Waste if she tries to come close and burst you down. Do not go toe to toe, just play passively, get fed off Requiem, and all will be good. She cannot really initate the fight, but you must watch out when she have full stacks on her stun, and her ulti is up.



Difficulty rating:Medium

//This is quite a fair match-up, as long as you can dodge his aoe, Pillar of Flame. Also, back off from your own minions if he is going in for a Conflagration. Play passively, he can burst you down way faster than you can! This match-up really decides who is better at hitting their aoe skill shot, his has better range, but yours has a smaller cooldown. Play safe with that fire!



Difficulty rating:Medium

//This match-up is a lot like Brand, so my advice is the same. I cannot really think of any differences, just play passively and hope for the best. It is a test of your team!


Difficulty rating:Easy


//Yes, I must admit he has a semi flash, but all in all, his mobility is not that great. His main damage is skill shot based, and his Mystic Shot can be predicted, and even used to your advantage if you can predict where he will go to try and hit you with it! However, you could be shocked at how much damage he can do early game, if a fight gets drawn out, his auto attacks will dominate you. Harass, then if you really feel like you can do it, go in for the kill. Also, tell your team when he is firing his ultimate, it will help them.




Difficulty rating:Medium

//This is actually quite a hard match-up, with a silence, a fear, and a heal. This puts your harass with Lay Waste to nothing, and allows him to zone you to an extent. Then why did I classify him as yellow? Because you too can also zone him if played correctly. Just don’t play aggressively and you should be fine. Keep a close eye on his ultimate, it has to be casted before activated.




Difficulty rating:Hard

//I do not advise laning against this guy. As soon as he hits level 6, he has the ability to kill you once he hits you with Chum the Waters. Plus, he can easily dodge your Lay Waste with his Playful / Trickster. Also, I’m pretty sure he can dodge your ultimate, please correct me if I’m wrong.


Difficulty rating:Medium

//Gragas is kind of easy, but I put him in medium because of his slight HP regen, which allows him to negate some of your harass. He should be easy to face, because his barrels are quite slow, however, do

not get caught out of place with his ultimate. His passive does not actually regenerate that much, so feel free to harass him.





Difficulty rating:Easy

//I’m sorry heimerdinger, but your turrets are free gold. Once he places them down, your Lay Waste can get rid of them so easily due to single target damage. Make sure that you do this, he will be forced to level his rockets. These are unreliable, and also predictable, as he has to get close to you to use them. But remember, if you want to harass him, do it quickly, his passive gives you HP Regen.




Difficulty rating:Medium

//A mirror match-up should always be fair, there are really no techniques I can say because we have to assume that the other Karthus knows the same things. Whoever is better wins.




Difficulty rating:Hard

//This champion is absolutely impossible to lane against on Karthus. His extreme mobility renders karthus useless, and you will not get any farm, the minions will be at your turret all game. If you really really have to lane against a Kassadin, I hope your teammates will feed you kills with Requiem. Which leads me to something else. If you start casting Requiem, make sure kassadin cannot pop in with rift walk and silence you with Null Sphere. Then rift walk out with one turret hit. That would be gg.



Difficulty rating:Easy

//Her Shunpo does your work for you, this is an easy match-up, just do not let her pull off a successful ultimate, or she will faceroll the rest of your team to death. You can feel free to harass her as much as you want, and if she comes in with Shunpo, use all your skills to kill her.



Difficulty Rating:Hard
//A friend gave me these tips, as a kennen main.
1. stand behind your minions
2. If you are full health and he lightning rushes toward you and you do not suspect a gank and that he is only pushing the lane, put your E behind him and most likely he will pass through it. Proceed to lay waste the hell out of him as he is slowed and cannot escape. If he dodges, he still has to walk around and you can lay waste anyway. just don't get shurikened
3. If you get hit by a shuriken and/or marked with auto-attack, several things could happen. I would stay back b/c the range on his W is quite far and does a fair amount of damage while adding a second mark. If you know you cannot dodge his W, lay waste him when he uses his W as it is semi-channeled. If level 6+ (assuming both of you), the moment he lands a Q/mark on you, chances are he will speed to you and kill you with his ult and more shurikens. During this time, it will be extremely hard to trade kills with him as you will be chain stunned at least twice. therefore, after level 6, if your jungler is not waiting in the brush, move back to tower after getting 1 mark. 1 mark is all it takes for a good kennen to kill you within 5 seconds and permastun you so you cannot trade kills.
4. As on many heros, watch his cooldowns. If he just used E, that is at least 6-8 seconds you know he cannot run away from your lay waste or dash to you. If he just W'd minions, he cannot W you.
5. GG to you if it's ad kennen b/c he will rape you hard.



Difficulty rating:Medium

//He only has one skillshot(his slow). His Q is single-target and his W is a self-buff. the moment he lands his slow on you, you have 3 choices: flash away, turn away and melt to his ulti and W, or face him and fight. More than often, if kog catches you with his slow, you should trade him kills because his extreme range usually will net him the kill if you try and run. he is extremely vulnerable to ganks especially if you catch him in your wall and have a jungler gank as well. In the event that you 1vs1 him, spam your spells, but keep an eye on the tell-tail thin red line marking where his ulti will fall. You want to try your best to move out of the way. Since you are not an autoattack champ and your lay waste has 1cd, you can afford to move out of the way and not lose and damage output, but you greatly decrease his damage


Difficulty rating:Hard

//Obviously I have rated this champion hard to lane against. She counters all AP Carries, and hopefully she’ll either be banned, or not chosen. Karthus is bad against Champions that have extremely high mobility, and if you get close enough to even try and harass LeBlanc, she will Distortion and proceed to zone you. PLEASE DO NOT PLAY AGAINST! Unless you somehow know they suck. Then go ahead.

Difficulty rating:Medium

//This is a decent match-up, because you are both squishy and can harass well. However, take into advantage that she has to autoattack last hits, while you do not. Harass her when she is going for them. Also, learn how she throws her Lucent Singularity, so you can dodge it. WATCH CONSTANTLY, her ultimate requires you to.

Difficulty rating:Hard

//Any good malzahar will be able to keep you silenced. Also, his Malefic Visions makes you step back from your own minions. If you really have to lane against this guy, I would advise not harass at all and focus on last hitting, because you will probably take more damage harassing then he will.

Difficulty rating:Medium

//She cannot really do anything to you if you play safe, but because of her spell vamp you really can't either. Force her to push her lane by harassing her, which will make her have to aoe for a heal. Try to stay behind creeps and harass her if she goes around them, her snare will hit the creeps.


Difficulty rating:Easy

//This is soo easy to lane against, because I would assume going mid means going AP Nidalee. Heh. Hide behind minions and harass her, her spears are almost useless if you do this. Let her suffer for picking ap nidalee.



Difficulty rating:Medium

//Her attacks are really predictable, and as long as you use your head she should be easy to harass. she does not have sustain to back that up, be careful however, she sets up good ganks.



Difficulty rating:Easy

//Ryze is easy to lane against, except that you cannot really go for the kill. No matter how low he is, keep in mind that he can burst you down so fast, and if you go for a one vs one, the best you can come out is a trade kill. However, you can make him recall alot, and get ahead in farm. His range is not as good as yours.


Difficulty rating:Medium

//I'm actually not trying to be funny about AP Sion here. his early game is pretty insane, and you do not want to get hit by his stun. Just farm passively until late game, don't let him get fed and he will be almost useless as AP.



//I'm not joking about Soraka mid either. It sometimes happens, she is very good at zoning and denying farm, but late game all she will be able to do is heal. She is harassable, if she keeps healing she'll run out of mana, and with the recent nerf to her mana supply, she will get zoned.
Difficulty rating:Medium


//As long as you do not get hit by his snare, you will be fine. Of course I cannot just say that, because he will hit you from time to time. Pre level 6, he is harassable, but after he gets his ultimate he will spell vamp all that damage back. PLAY PASSIVELY. as always.
Difficulty rating:Medium


Difficulty rating:Medium

//Talon mid is usually bad, but talon counters you in his own way. If he gets too close, you will have to run all the way back to your turret. However, if you do not let him close enough you can zone and harass him. This is almost easy rating, (green) except that he has a silence.


Difficulty rating:Easy

//Not at all viable, his blind does nothing. Harass that yordle.


Difficulty rating:Medium

//Veigar can burst you down in one go if he is farming his Baleful Strike right. DO not let him do this. My tip after playing with veigar would be: let him harass you but do not let him pull off a full combo, if you waste his mana he will be useless pre-blue buff.
Also, his last hitting pattern should be easier to hit, because he has to cast Baleful Strike for his last hits.


Difficulty rating:Medium

//This is an even match-up, nothing really to say, except that do not get too close. If you allow him to get his stun up on you, you will probably have to recall.


Difficulty rating:Medium

//Most people would say that you cannot harass a vlad, but I disagree. His hp regen is not that insane that you can only turret hug, so do not be afriad to Lay Waste. However, do not let him constantly hit you with his HP regen skill, let him use it on minions.


Difficulty rating:Medium

//Xerath is a very long range character, and has a quick low cooldown stun. You do not want to fight him face-to-face, let him take some damage from far away. Also, watch out for the red mark on the floor and signs that his skill shots are coming, keep on your toes to dodge them. A good xerath will usually cast his skills when he is confident he will hit, because he will run out of mana if he spams.



Difficulty rating:Medium

//Ziggs is really good at zoning, and has an attack similar to your Lay Waste in the fact that minions do not really affect it. Bouncing Bomb goes over minions and does a huge chunk of damage. Another thing, DO NOT TRADE OFF AUTO ATTACKS, his passive is really nice.


Guide Top

Change Log

February 27th, 2012
Guide starting to be made
March 3rd, 2012
Guide corrected, thanks to MissMaw. Thank you!
March 3rd, 2012
Changed colors because it was hurting everyone's eyes. WEAK. WEAAAAK.
March 5th, 2012
Thanks to Castermaster I made some very important changes! Thanks again for the help!


Guide Top

Summary

That is my Karthus guide, hope you enjoyed it! Try it out before you vote please!
I will be glad to explain anything in this guide if it helps. Please do not troll downvote this guide unless you have a legit reason that actually makes sense. It is in my best interest to make this guide better, so do not say LOLOL THIS GUIDE SUCKS. GIVE ME A REASON.

I'm going to be pretty mad if this gets troll downvoted.
If there is anything you really want to know, PM me, I am on almost daily! Have fun with this guide, and If anyone wants to send in screenshots for a Hall of Fame, I would be okay with that, I don't have a section right now but if anyone does send in screenshots I will add them! :)

~Cheers
Mikuroo

Credits to jhoijhoi for the awesome headers!
Credits to jhoijhoi for teaching me how to use coding!