Use Call of the Void and Nether Grasp to renew the duration of Malefic Visions on enemies.
Wait to cast Void Swarm until there are nearby enemies for the Voidling to attack or kill.
Avoiding damage in lane maximizes the uptime on Void Shift, increasing Malzahar's safety dramatically.
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 stat comparisons shown here underscore some important Malzahar vs. Karthus counter statistics that can help you grasp the distinctions between the two. As an example, Malzahar’s KDA ratio ([kills + assists] / deaths) of NaN is more than Karthus’s KDA ratio of NaN, showing that Malzahar may be more central to his team's team fighting capacity than Karthus..
Malzahar usually has a slightly smaller longest killing spree than his matchup does. On average, he receives less damage than Karthus. This commonly reflects differing health capacities; however, it can also imply that the champion with more HP has less mobility and thus is not able to kite away from additional harm when engaged or poked.
Both LoL champions are great. Both have their strengths, weaknesses, and counters. In League's current meta, Malzahar usually wins when trying to fight Karthus, with a 52.2% win rate. Thus, Malzahar makes a good counter to Karthus.
While Malzahar does have a higher win rate than Karthus, when they face off with one another, Malzahar also has a lower learning curve that makes him a less difficult champ to pick up and master. You don't need to be too worried when picking Malzahar into Karthus.
Moreover, Malzahar also has a good amount of CC and other utility, a similar amount to Karthus. This makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Malzahar vs Karthus matchups, Malzahar is the better champ with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.
Malzahar is a good counter to Karthus. Make sure you focus your play on keeping up your CS and clearing objectives. If you do that, you should be able to stand on your own as Malzahar against Karthus.
To truly master Malzahar to counter Karthus during both the laning and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tips and tricks for this matchup. If you listen to the build and stats shown here, you will increase your win rate by a lot and be closer to League of Legends pro players.
Malzahar typically accumulates more CS compared to Karthus. Champions who on average don't earn many minion kills usualy don't require much CS to be valuable teammates, such as support champions. They are capable of scaling properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually need several high cost items to be effective. In either case, try to exceed the numbers reported here to do well.
The most important items to have in your Malzahar versus Karthus build include Seraph's Embrace, Rylai's Crystal Scepter, and Liandry's Torment. When Malzahar used at least these three pieces in his build, he did significantly better countering Karthus than with most other common counter builds. In fact, Malzahar boasted an average win rate of 52.2% when playing against Karthus with this counter build.
To have the highest likelihood of beating Karthus as Malzahar, Malzahar players should take the Summon Aery, Manaflow Band, Transcendence, Scorch, Magical Footwear, and Cosmic Insight runes from the Sorcery and Inspiration rune sets. Out of all the rune builds players used for Malzahar vs Karthus clashes, this blending of runes resulted in the greatest win rate. Notably, these runes averaged a 52.2% winrate overall.
If you would like to view Malzahar x Karthus tips and builds for a a particular player tier, please select one from the selection menu displayed above. If viewing for the first time, the statistics and strategies given are computed using every round played with both champs.