Kassadin deals mostly magic damage. If he's doing well consider buying magic resist items like Mercury's Treads and Banshee's Veil.
It takes 6 spell casts for Kassadin's slow, Force Pulse, to become castable. If he levels up that ability, judiciously use your own skills while laning against him.
Each time Kassadin consecutively uses Riftwalk, he pays more and more mana. Keep this in mind as you chase him.
The stats shown on this page emphasize several valuable Senna versus Kassadin matchup statistics that can help you interpret the differences and similarities between this pair of champs. Senna’s KDA ratio ([kills + assists] / deaths) of NaN is better than Kassadin’s ratio of NaN, demonstrating that Senna may be more central to her team's team fighting effectiveness than Kassadin. This observation is in large part a result of the differences in assists.
Senna usually has a slightly smaller longest kill spree than her counter does. On average, she takes less damage than Kassadin. This typically indicates differing health capacities, yet it can also illustrate that the one champ has less agility and thus is not able to flee from further damage when poked or engaged.
Both LoL champions are great champions. Both have their strengths, weaknesses, and counters. In League's current meta, Senna usually fairs equally well when trying to fight Kassadin, with a 50.3% win rate. Thus, Senna makes an ok counter to Kassadin.
While Senna does have a higher winrate than Kassadin, when they face off with one another, Senna also has a lower difficulty level that makes her a less challenging champ to develop with. You still need to be cautious when picking Senna into Kassadinas her relative depth means that you may not be able to unleash her full potential without a significant amount of practice beforehand.
Furthermore, Senna also has a good amount of utility and CC, a similar amount to Kassadin. This makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there is not one best champion for every situation in League of Legends, in Senna vs Kassadin matchups, Senna is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Senna is a decent counter to Kassadin. Make sure you focus your strategy on keeping up your CS and clearing objectives. If you are able to do that, you should do very well as Senna against Kassadin.
If you would like to learn all of the intricacies of Senna to counter Kassadin 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 pay attention to the build and stats presented here, you should increase your win rate by a lot and be closer to League of Legends pro players.
Senna usually gets a lot less CS relative to Kassadin. Champions who typically don't earn many minion kills often don't need much CS to be effective, such as support champions. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically require several high cost items to be effective. In either situation, try to surpass the values reported here to do well.
The most important items to have in your Senna versus Kassadin build consist of Eclipse, Black Mist Scythe, and The Collector. When Senna bought at least these three items in her build, she did a lot better against Kassadin than with most other common item sets. In fact, Senna had an average win rate of 50.3% when countering Kassadin with this counter build.
To have the best chance of coming out on top against Kassadin as Senna, Senna players should take the Fleet Footwork, Presence of Mind, Legend: Alacrity, Cut Down, Approach Velocity, and Biscuit Delivery runes from the Precision and Inspiration rune sets. Of all the rune combinations players picked for Senna vs Kassadin counter picks, this combo of runes resulted in the greatest win rate. In fact, these runes averaged a 50.3% win rate overall.
By default, tips, statistics, and builds on how to beat Kassadin as Senna are presented for every ranked division. If you want to narrow the stats and builds to an individual rank, you can use the selection menu at the top of this page.