Katarina's abilities deal magic damage, so even if she's building Attack Damage items, get magic resistance to counter her.
Try to save a disable for when Katarina uses her Death Lotus.
The stat comparisons shown on this page highlight some influential Rell against Katarina matchup statistics that may help us grasp the differences and similarities between the pair. As an example, Rell’s KDA ratio ([kills + assists] / deaths) of NaN is more than Katarina’s KDA ratio of NaN, demonstrating that Rell may be more central to her team's team fighting potential than Katarina. This observation is largely a result of the differences in assists.
Rell often has a significantly smaller longest killing spree than her opponent does. Commonly, she takes a similar amount of damage to Katarina. This typically indicates different amounts of tankyness, but it can also imply that the champion with higher HP has less mobility and thus is unable to escape additional damage when engaged or poked.
Both LoL champs are great. Both champs have their pros and cons. In the game's current meta, Rell usually wins when taking on Katarina, with a 52.1% win rate. Thus, Rell makes a good counter to Katarina.
While Rell does have a higher win rate than Katarina, when facing one another, Rell also has a much lower difficulty level that makes her a less difficult champ to learn. You should be be fine when picking Rell into Katarina.
Moreover, Rell has a very large amount of utility and CC, a similar amount to Katarina. This often 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 overall in League of Legends, in Rell vs Katarina matchups, Rell 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.
Rell is a good counter for Katarina. Make sure you focus your actions on keeping up your CS and destroying objectives. If you do that, you should hold your own as Rell against Katarina.
To learn all of the intricacies of Rell to counter Katarina during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you pay attention to the build and suggestions displayed here, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Rell on average gets a lot less CS as Katarina. Champions who on average don't get many minion kills usualy don't need much CS to be valuable teammates, such as sup champs. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically need many items to be effective. In either case, try to surpass the numbers displayed on this page to do well.
The most crucial items to focus on in your Rell versus Katarina build include Trailblazer, Knight's Vow, and Celestial Opposition. When Rell bought at least these three items in her build, she did much better countering Katarina than with many other commonly used counter builds. In fact, Rell boasted an average win rate of 52.1% when playing against Katarina with this counter build.
To have the best probability of vanquishing Katarina as Rell, Rell players should equip the Glacial Augment, Hextech Flashtraption, Minion Dematerializer, Cosmic Insight, Bone Plating, and Unflinching runes from the Inspiration and Resolve rune sets. Of all the runes that we analyzed for Rell vs Katarina fights, this sequence of runes yielded the greatest win rate. In fact, these runes provided a 52.1% win rate overall.
If you need to get Rell vs Katarina tips and matchup stats and build suggestions for a a specific division rank, feel free to choose one from the selection menu shown above. By default, the statistics and strategies displayed are computed using every round finished with these champions.