Equinox can be used as a powerful zoning tool to keep enemies at bay.
You can use Wish on your allies from across the map to save them from otherwise fatal events.
Soraka is a powerful ally in battle, using her strong healing to keep the party moving forward.
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 highlight several significant Soraka versus Karthus matchup stats that may help you understand the distinctions between the two. For instance, Soraka’s KDA ratio ([kills + assists] / deaths) of NaN is more than Karthus’s KDA ratio of NaN, showing that Soraka may be more central to her team's team fighting capability than Karthus. This observation is largely fueled by the differences in assists.
Soraka often has a significantly smaller longest kill spree than her matchup does. Commonly, she receives less damage than Karthus. This commonly reflects differing health capacities; however, it can also indicate that the champ with more HP has less mobility and thus is unable to kite away from further harm when engaged or poked.
Both LoL champs are great. Both have their pros and cons. In the game's current meta, Soraka usually wins when playing against Karthus, with a 53.7% win rate. Therefore, Soraka makes a great counter for Karthus.
While Soraka does have a higher win rate than Karthus, when facing one another, Soraka also has a much lower learning curve that makes her a less time consuming champ to learn. You don't need to be too worried when picking Soraka into Karthus.
Furthermore, Soraka also has a great deal of utility and CC, a similar amount to Karthus. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there is not one best champion in League of Legends, in Soraka vs Karthus matchups, Soraka is the better champ with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Soraka is a great counter for Karthus. You will do well by focussing your strategy on keeping up your gold income and clearing objectives. If you can do that, you should hold your own as Soraka against Karthus.
If you would like to learn all of the intricacies of Soraka in order to counter Karthus during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you listen to the build and suggestions presented here, you will grow your win rate significantly and be closer to League of Legends pro players.
Soraka most often picks up a lot less CS relative to Karthus. Champs who on average don't get much CS usualy don't have to have much CS to be effective, such as supports. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either case, try to surpass the values displayed on this page to do well.
The top items to use in your Soraka versus Karthus build include Redemption, Moonstone Renewer, and Dawncore. When Soraka used at least these three items in her build, she did much better vs. Karthus than with many other typical builds. In fact, Soraka boasted an average win rate of 53.7% when countering Karthus with this counter build.
To have the highest likelihood of annihilating Karthus as Soraka, you should take the Guardian, Font of Life, Bone Plating, Revitalize, Biscuit Delivery, and Cosmic Insight runes from the Resolve and Inspiration rune sets. Out of all the rune combinations players used for Soraka vs Karthus face-offs, this composite of runes resulted in the best win rate. In fact, these runes gave a 53.7% win rate overall.
By default, tips, statistics, and builds on how to beat Karthus as Soraka are displayed for every ranked division. If you would like to scope the stats and builds to a specific rank, you can use the selection menu located above.