Make sure to tag your allies while Sona's auras are active, but avoid getting caught out by enemies.
Save Crescendo for the game-altering moment.
Well-timed uses of Aria of Perseverance will grant you maximum survivability.
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 provided here feature some influential Sona against Karthus counter stats that can help you interpret the differences and similarities between the pair. As an example, Sona’s KDA ratio ([kills + assists] / deaths) of NaN is better than Karthus’s KDA ratio of NaN, demonstrating that Sona may be more central to her team's team fighting potential than Karthus. This observation is largely fueled by the differences in assists.
Sona normally has a significantly smaller longest killing spree than her foe does. On average, she takes less damage than Karthus. This often reflects differing health capacities, yet it can also imply that the champ with higher HP has less mobility and thus is unable to escape further harm when engaged or poked.
Both League of Legends champions are great. Both champs have their pros and cons. In League's current meta, Sona usually wins when taking on Karthus, with a 56.4% win rate. Thus, Sona makes a fantastic counter for Karthus.
While Sona does have a much higher win rate than Karthus, when facing one another, Sona also has a lower difficulty level that makes her a less time consuming character to develop with. You should be be fine when picking Sona into Karthus.
Moreover, Sona also has a great deal of utility and CC, a similar amount to Karthus. This makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there is not a single best champion for every situation in League of Legends, in Sona vs Karthus matchups, Sona is the better champ with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allies during late stage team fights.
Sona is a great counter for Karthus. Focus your play on maximizing your CS and taking out objectives. If you are able to do that, you should hold your own as Sona against Karthus.
To learn all of the intricacies of Sona in order to counter Karthus during both the early game 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 tips shown here, you should increase your win rate by a lot and be closer to League of Legends pro players.
Sona on average racks up less CS as Karthus. Champs who typically don't get much CS typically don't need much CS to be effective, such as sup champs. These kinds of champions are capable of scaling well off of their skills, stats, 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 on this page to do well.
The best items to use in your Sona versus Karthus build consist of Ardent Censer, Staff of Flowing Water, and Moonstone Renewer. When Sona combined at least these three items in her build, she performed much better vs. Karthus than with most other common item sets. In fact, Sona boasted an average win rate of 56.4% when countering Karthus with these items in her kit.
To have the greatest probability of vanquishing Karthus as Sona, you should take the Summon Aery, Manaflow Band, Transcendence, Gathering Storm, Conditioning, and Revitalize runes from the Sorcery and Resolve rune sets. Out of all the rune sets we have analyed for Sona vs Karthus matchups, this set of runes resulted in the best win rate. In fact, these runes gave a 56.4% winrate overall.
If you would like to view Sona versus Karthus tips and counter builds for a an individual rank, feel free to select one from the selection menu shown above. If viewing for the first time, the statistics and strategies shown are calculated using every game with data with these champs.