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.
Body Slam is on a very low cooldown, making it difficult to pursue Gragas. Don't overextend yourself chasing him.
Gragas can knock everybody away with his ultimate. Be careful that you don't get knocked into him or, worse, an enemy tower.
The stat comparisons shown on this page emphasize several important Kassadin against Gragas counter statistics that may help us interpret the differences and similarities between the pair. As an example, Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Gragas’s ratio of NaN, demonstrating that Kassadin may be more central to his team's team fighting capability than Gragas..
Kassadin often has a slightly larger longest killing spree than his opponent does. On average, he receives a similar amount of damage to Gragas. This commonly reflects different amounts of tankyness, but it can also hint that the one champ has less mobility and thus is not able to escape further harm when engaged or poked.
Both League of Legends champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Kassadin usually wins when trying to fight Gragas, with a 56.0% win rate. Thus, Kassadin makes a fantastic counter to Gragas.
While Kassadin does have a much higher win rate compared to Gragas, when facing one another, Kassadin also has a much greater difficulty level that makes him a more time consuming champion to develop with. You should be be fine when picking Kassadin into Gragasas his relative depth means that you may not be able to reach his full potential without a significant amount of practice beforehand.
Moreover, Kassadin has some amount of utility and CC, a similar amount to Gragas. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't a single best champion overall in League of Legends, in Kassadin vs Gragas matchups, Kassadin is the better champ with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Kassadin is a great counter for Gragas. Make sure you focus your gameplay on keeping up your gold income and destroying objectives. If you do that, you should do very well as Kassadin against Gragas.
To truly master Kassadin in order to counter Gragas during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tricks and insights into this matchup. If you pay attention to the build and suggestions displayed above, you will grow your win rate by a lot and be closer to League of Legends pro players.
Kassadin on average accumulates more CS as Gragas. Champions who typically don't earn many minion kills usualy don't have to have much CS to be valuable teammates, such as sup champs. They are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often require a lot of items to be effective. In either situation, try to do better than the numbers displayed on this page to do well.
The best items to focus on in your Kassadin versus Gragas build include Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin combined at least these three pieces in his build, he did significantly better when fighting Gragas than with many other typical item sets. In fact, Kassadin had an average win rate of 56.0% when playing against Gragas with these items in his kit.
To have the highest probability of coming out on top against Gragas as Kassadin, Kassadin players 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 combinations players chose for Kassadin vs Gragas matchups, this blending of runes yielded the highest win rate. Notably, these runes gave a 56.0% win rate overall.
By default, tips, statistics, and builds on how to beat Gragas as Kassadin are presented for every ranked division. If you want to narrow the stats and builds to a specific division, you can use the selection menu located at the top of this page.