Kalista's mobility is dependent upon attacking. This means it is low when she is outside of her attack range and that Attack Speed slows reduce the amount of distance she can cover in an engagement.
If you can break line of sight from Kalista, including through brush, her basic attacks will miss you, falling harmlessly to the ground.
Kalista cannot cancel her basic attack wind up. While she is very mobile, this offers a window to land spells on her if you anticipate when she will begin attacking.
The stats shown here underscore some vital Rell vs. Kalista matchup stats that can help you distinguish the distinctions between the two. Rell’s KDA ratio ([kills + assists] / deaths) of NaN is better than Kalista’s ratio of NaN, showing that Rell may be more central to her team's team fighting capability than Kalista. This observation is largely fueled by the differences in assists.
Rell typically has a significantly smaller longest kill spree than her enemy does. Typically, she takes a similar amount of damage to Kalista. This is usually reflective of different amounts of tankyness, but it can also imply that the one champion has less agility and thus is unable to kite away from additional harm when poked or engaged.
Both League of Legends champions are great. Both champs have their pros and cons. In League's current meta, Rell usually fairs equally well when facing off against Kalista, with a 50.9% win rate. Therefore, Rell makes an ok counter to Kalista.
While Rell does have a higher win rate than Kalista, when on opposite teams, Rell also has a much lower learning curve that makes her a less difficult character to pick up and master. You should be careful when picking Rell into Kalista.
Additionally, Rell has a lot of utility and CC, a similar amount to Kalista. This often 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 overall in League of Legends, in Rell vs Kalista matchups, Rell is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allies during late stage team fights.
Rell is a decent counter to Kalista. You will do well by focussing your actions on maximizing your gold and cs and taking out objectives. If you can do that, you should do very well as Rell against Kalista.
To learn all of the intricacies of Rell in order to counter Kalista during both the early game and mid / late game phases of League of Legends, you should keep reading to pick up a few extra lessons on this matchup. If you listen to the build and stats displayed here, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Rell most often picks up a lot less CS relative to Kalista. Champs who typically don't acquire much CS usualy don't require much CS to be effective, such as sup champs. These kinds of champions are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often need many items to be effective. In either case, try to exceed the numbers displayed on this page to do well.
The top items to have in your Rell versus Kalista build consist of Trailblazer, Zeke's Convergence, and Celestial Opposition. When Rell included at least these three items in her build, she performed a lot better when facing Kalista than with many other commonly used builds. In fact, Rell had an average win rate of 50.9% battling Kalista with these items in her kit.
To have the highest likelihood of vanquishing Kalista as Rell, Rell players should use the Glacial Augment, Hextech Flashtraption, Minion Dematerializer, Cosmic Insight, Bone Plating, and Unflinching runes from the Inspiration and Resolve rune sets. Of all the rune combinations players picked for Rell vs Kalista battles, this composite of runes yielded the greatest win rate. In fact, these runes provided a 50.9% winrate overall.
By default, tips, statistics, and builds on how to beat Kalista as Rell are presented for all ranked divisions combined. To scope the statistics and builds to a specific skill level, you can use the selection menu located above.