Kassadin's ultimate has many uses and is on a shorter cooldown than most, use it often.
Kassadin has multiple item paths; he can go caster via Mana and Ability Power or anti-caster with Cooldown Reduction and Magic Resist.
Try to get the Ancient Golem buff to counteract Riftwalk's increasing Mana cost.
The stats provided here clarify some important Kassadin vs. Senna matchup stats that may help you grasp the differences between this pair of champs. As an example, Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Senna’s KDA ratio of NaN, demonstrating that Kassadin may be more central to his team's team fighting capability than Senna..
Kassadin normally has a slightly larger longest killing spree than his enemy does. Typically, he takes more damage than Senna. This is usually reflective of different amounts of tankyness, yet it can also show that the one champ has less agility and thus is unable to kite away from further damage when poked or engaged.
Both League of Legends champions are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Kassadin usually loses when facing off against Senna, with a 47.2% win rate. As a result, Kassadin makes a bad counter to Senna.
While Kassadin does have a lower winrate than Senna, when they face off with one another, Kassadin also has a greater level of difficulty that makes him a more challenging champion to learn and master. You should expect to face a difficult match when picking Kassadin into Sennaas his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Moreover, Kassadin also has some amount of utility and CC, a similar amount to Senna. This 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 in League of Legends, in Kassadin vs Senna matchups, Senna is the better champion with a lower win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Kassadin is a bad counter to Senna. You will do well by focussing your strategy on increasing your gold income and clearing objectives. If you are able to do that, you should do very well as Kassadin against Senna.
If you would like to truly master Kassadin in order to counter Senna during both the lane and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you listen to the build and tips presented above, you will increase your win rate significantly and be closer to League of Legends pro players.
Kassadin most often picks up more CS as Senna. Champions who typically don't earn much CS often don't require much CS to be valuable teammates, such as supports. They are able to scale well off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically need a lot of items to be effective. In either case, try to exceed the numbers shown on this page to do well.
The most crucial items to prioritize in your Kassadin versus Senna build include Malignance, Stormsurge, and Rod of Ages. When Kassadin combined at least these three pieces in his build, he performed significantly better countering Senna than with most other common item sets. In fact, Kassadin had an average win rate of 47.2% when playing against Senna with these items in his kit.
To have the best probability of crushing Senna as Kassadin, you should take the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Of all the rune sets that we analyzed for Kassadin vs Senna LoL games, this combo of runes resulted in the best win rate. Notably, these runes averaged a 47.2% winrate overall.
By default, tips, stats, and builds on how to beat Senna as Kassadin are displayed for all ranked divisions. If you want to narrow the statistics and builds to a particular division, you should use the selection menu above.