Make the most out of your Icathian Surprise.
Use Void Ooze to set up a perfect Living Artillery.
Kog'Maw can outrange most champions with his Bio-Arcane Barrage ability.
Karthus can cast spells for a short duration after he is killed. Move away from his corpse to be safe.
Make sure you always have enough health to survive Requiem, even if you have to go back to the base more frequently to heal.
The stats shown on this page show some strategic Kog'Maw versus Karthus counter statistics that may help you distinguish the differences between the two. Kog'Maw’s KDA ratio ([kills + assists] / deaths) of NaN is more than Karthus’s KDA ratio of NaN, highlighting that Kog'Maw may be more central to his team's team fighting potential than Karthus..
Kog'Maw usually has a similar longest kill spree as his counter does. Commonly, he receives less damage than Karthus. This often reflects different amounts of tankyness; however, it can also illustrate that the champ with higher HP has less mobility and thus is not able to kite away from additional harm when engaged or poked.
Both League champs are great. Both have their pros and cons. In the game's current meta, Kog'Maw usually wins when trying to fight Karthus, with a 51.2% win rate. Thus, Kog'Maw makes a good counter for Karthus.
While Kog'Maw does have a higher win rate than Karthus, when facing one another, Kog'Maw also has a lower difficulty level that makes him a less complex character to learn. You still need to be cautious when picking Kog'Maw into Karthus.
Moreover, Kog'Maw has almost no amount of CC and other utility, a similar amount to Karthus. This often makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there is not one best champion overall in League of Legends, in Kog'Maw vs Karthus matchups, Kog'Maw is the better champion with a higher win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Kog'Maw is a decent counter to Karthus. Focus your gameplay on maximizing your gold and cs and destroying objectives. If you can do that, you should hold your own as Kog'Maw against Karthus.
If you would like to learn all of the intricacies of Kog'Maw to counter Karthus during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra tricks and insights into this matchup. If you mind the build and suggestions presented above, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Kog'Maw often racks up more CS as Karthus. Champions who typically don't get much CS typically don't need much CS to be valuable teammates, such as sup champs. They are capable of scaling properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically require many items to be effective. In either situation, try to do better than the numbers reported here to do well.
The best items to focus on in your Kog'Maw versus Karthus build include Guinsoo's Rageblade, Blade of The Ruined King, and Terminus. When Kog'Maw used at least these three items in his build, he performed much better vs. Karthus than with many other typical item sets. In fact, Kog'Maw boasted an average winrate of 51.2% when countering Karthus with these items in his kit.
To have the greatest likelihood of annihilating Karthus as Kog'Maw, you should take the Lethal Tempo, Triumph, Legend: Bloodline, Last Stand, Conditioning, and Overgrowth runes from the Precision and Resolve rune sets. Of all the rune sets we have analyed for Kog'Maw vs Karthus LoL games, this sequence of runes yielded the highest win rate. In fact, these runes averaged a 51.2% win rate overall.
By default, tips, statistics, and builds on how to beat Karthus as Kog'Maw are presented for all ranked divisions. If you want to narrow the statistics and builds to an individual skill level, you should use the selection menu earlier in the counter matchup guide.