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.
Zilean is fragile if a team focuses on him, but otherwise he's very difficult to kill. Commit to killing him as a team.
If you're able to match Zilean's speed, it can sometimes be beneficial to wait until his ultimate has faded before landing the killing blow.
The stat comparisons provided here show some influential Kassadin against Zilean matchup statistics that can help you understand the distinctions between the pair. As an example, Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is better than Zilean’s ratio of NaN, highlighting that Kassadin may be more central to his team's team fighting capability than Zilean. This observation is largely fueled by the difference in kills.
Kassadin normally has a much larger longest kill spree than his foe does. Commonly, he takes more damage than Zilean. This commonly reflects differing health capacities; however, it can also illustrate that the champ with higher health has less mobility and thus is not able to escape further harm when poked or engaged.
Both League of Legends champs are great champions. Both have their pros and cons. In the game's current meta, Kassadin usually fairs equally well when taking on Zilean, with a 50.9% win rate. Thus, Kassadin makes an ok counter for Zilean.
While Kassadin does have a higher win rate than Zilean, when on opposite teams, Kassadin also has a greater learning curve that makes him a more challenging champ to develop with. You still need to be cautious when picking Kassadin into Zileanas his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Additionally, Kassadin has some amount of CC and other utility, a similar amount to Zilean. This often makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Kassadin vs Zilean matchups, Kassadin is the better champ with a similar win rate, more champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Kassadin is a decent counter for Zilean. Focus your strategy on increasing your gold and cs and taking out objectives. If you can do that, you should do very well as Kassadin against Zilean.
If you would like to learn all of the intricacies of Kassadin to counter Zilean during both the early game and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tips and tricks for this matchup. If you mind the build and tips displayed here, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Kassadin typically accumulates much more CS relative to Zilean. Champs who typically don't earn many minion kills often don't require much CS to be effective, such as sup champs. They are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically need a lot of items to be effective. In either case, try to surpass the values shown here to do well.
The best items to use in your Kassadin versus Zilean build consist of Seraph's Embrace, Malignance, and Rod of Ages. When Kassadin combined at least these three pieces in his build, he performed a lot better when fighting Zilean than with many other typical builds. In fact, Kassadin had an average winrate of 50.9% battling Zilean with these items in his kit.
To have the best likelihood of beating Zilean 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. Out of all the rune sets we have analyed for Kassadin vs Zilean counter picks, this combination of runes resulted in the greatest win rate. In fact, these runes provided a 50.9% win rate overall.
If you would like to see Kassadin versus Zilean tips and builds for a a distinct division rank, feel free to choose one from the selection menu above. At first, the statistics and strategies given are calculated using every game completed with these champs.