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.
Mordekaiser builds up a powerful damage aura when fighting champions, so keep your distance.
Realm of Death will cut you off from your teammates completely. Try to save mobility spells to escape Mordekaiser once inside
Damage he deals can be converted into a large shield, and consumed for health
The stat comparisons provided here show some strategic Kassadin vs. Mordekaiser counter stats that can help us distinguish the differences between the two. Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is more than Mordekaiser’s ratio of NaN, indicating that Kassadin may be more central to his team's team fighting effectiveness than Mordekaiser..
Kassadin often has a similar longest kill spree as his counter does. Commonly, he takes a similar amount of damage to Mordekaiser. This commonly reflects different amounts of tankyness, yet it can also illustrate that the one champion has less agility and thus is not able to kite away from further damage when engaged or poked.
Both League of Legends champions are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Kassadin usually loses when trying to fight Mordekaiser, with a 46.5% win rate. As a result, Kassadin makes a poor counter for Mordekaiser.
While Kassadin does have a lower win rate compared to Mordekaiser, when on opposite teams, Kassadin also has a much greater learning curve that makes him a more challenging champ to pick up and master. You should be very concerned when picking Kassadin into Mordekaiseras his relative depth means that you may not be able to unleash his full potential without a lot of practice beforehand.
Moreover, Kassadin has some amount of CC and other utility, a similar amount to Mordekaiser. This often makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion overall in League of Legends, in Kassadin vs Mordekaiser matchups, Mordekaiser is the better champion with a much lower win rate, more champion depth, and a similar amount of utility to help out your team members during late stage team fights.
Kassadin is a bad counter to Mordekaiser. You will do well by focussing your actions on increasing your CS and destroying objectives. If you can do that, you should be able to stand on your own as Kassadin against Mordekaiser.
If you would like to learn all of the intricacies of Kassadin to counter Mordekaiser 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 shown above, you should increase your win rate by a lot and be that much closer to League of Legends pro players.
Kassadin often picks up a similar amount of CS compared to Mordekaiser. Champions who on average don't take many minion kills usualy don't require much CS to be effective, such as supports. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often require several high cost items to be effective. In either situation, try to exceed the numbers displayed on this page to do well.
The top items to focus on in your Kassadin versus Mordekaiser build include Rabadon's Deathcap, Malignance, and Rod of Ages. When Kassadin included at least these three items in his build, he did a lot better when fighting Mordekaiser than with many other typical item sets. In fact, Kassadin boasted an average winrate of 46.5% when countering Mordekaiser with this build.
To have the highest likelihood of beating Mordekaiser 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 runes players picked for Kassadin vs Mordekaiser LoL games, this blending of runes yielded the best win rate. In fact, these runes averaged a 46.5% winrate overall.
By default, tips, stats, and builds on how to beat Mordekaiser as Kassadin are shown for every ranked division. If you would like to narrow the statistics and builds to a distinct skill level, you may use the selection menu at the top of this page.