Gwen can still damage enemies outside her Hallowed Mists, especially with her Ultimate's range.
Some of Gwen's Abilities can apply her passive to multiple enemies, so aim them at groups to get maximum damage and healing.
Always be Attacking - In addition to dealing bonus damage, Gwen's Attacks empower or reset many of her Abilities.
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 feature some vital Gwen versus Karthus counter stats that may help us distinguish the differences and similarities between the pair. For instance, Gwen’s KDA ratio ([kills + assists] / deaths) of NaN is more than Karthus’s KDA ratio of NaN, showing that Gwen may be more central to her team's team fighting effectiveness than Karthus..
Gwen usually has a similar longest killing spree as her opponent does. Typically, she receives more damage than Karthus. This often reflects different amounts of tankyness, yet it can also imply that the one champ has less agility and thus is unable to kite away from additional harm when poked or engaged.
Both LoL champions are great. Both have their pros and cons. In the game's current meta, Gwen usually wins when playing against Karthus, with a 52.9% win rate. Therefore, Gwen makes a good counter for Karthus.
While Gwen does have a higher win rate compared to Karthus, when facing one another, Gwen also has a lower level of difficulty that makes her a less challenging character to learn. You should be be fine when picking Gwen into Karthus.
Moreover, Gwen has some 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 ton of burst damage.
While there is not a single best champion for every situation in League of Legends, in Gwen vs Karthus matchups, Gwen 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.
Gwen is an above average counter for Karthus. Make sure you focus your gameplay on increasing your gold income and taking out objectives. If you do that, you should hold your own as Gwen against Karthus.
To learn all of the intricacies of Gwen to counter Karthus during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you listen to the build and stats presented here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Gwen on average picks up more CS as Karthus. Champions who typically don't get many minion kills often don't need much CS to be effective, such as support champions. These kinds of champions are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need many items to be effective. In either case, try to do better than the numbers reported here to do well.
The ideal items to prioritize in your Gwen versus Karthus build consist of Rabadon's Deathcap, Cosmic Drive, and Riftmaker. When Gwen bought at least these three pieces in her build, she did significantly better vs Karthus than with many other commonly used counter builds. In fact, Gwen had an average win rate of 52.9% when playing against Karthus with this counter build.
To have the greatest chance of defeating Karthus as Gwen, you should use the Conqueror, Presence of Mind, Legend: Alacrity, Last Stand, Second Wind, and Unflinching runes from the Precision and Resolve rune sets. Of all the rune combinations we have analyed for Gwen vs Karthus counterpicks, this combo of runes resulted in the best win rate. Moreover, these runes provided a 52.9% winrate overall.
If you would like to view Gwen versus Karthus tips and builds for a an individual division rank, feel free to select one from the selection menu displayed above. At first, the statistics and build suggestions displayed are calculated using all rounds played with these champions.