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.
When laning against Sivir, it is possible to throw off the timing of her Spell Shield by faking an advance, then backing off.
Sivir is a powerful pushing champion, so leaving her unattended in a lane for too long will often result in your turrets being destroyed.
Boomerang Blade costs a lot of mana to cast, so dodging it sets Sivir back. If it hits you on the way out, avoid its path on the way back.
The stat comparisons shown on this page underscore several strategic Kassadin versus Sivir counter statistics that may help you realize the differences and similarities between the pair. Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Sivir’s KDA ratio of NaN, indicating that Kassadin may be more central to his team's team fighting capacity than Sivir..
Kassadin often has a slightly larger longest kill spree than his enemy does. Commonly, he takes more damage than Sivir. This commonly reflects different amounts of tankyness, but it can also illustrate that the champ with increased health has less agility and thus is unable to flee from further harm when poked or engaged.
Both LoL champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Kassadin usually wins when trying to fight Sivir, with a 52.6% win rate. Therefore, Kassadin makes a good counter to Sivir.
While Kassadin does have a higher win rate than Sivir, when they face off with one another, Kassadin also has a much greater level of difficulty that makes him a more complex character to develop with. You should be be fine when picking Kassadin into Siviras his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Moreover, Kassadin has some amount of utility and CC, a similar amount to Sivir. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion overall in League of Legends, in Kassadin vs Sivir matchups, Kassadin is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Kassadin is a good counter to Sivir. Make sure you focus your tactics on increasing your gold and cs and clearing objectives. If you are able to do that, you should do very well as Kassadin against Sivir.
To learn all of the intricacies of Kassadin in order to counter Sivir during both the early game and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you listen to the build and suggestions presented above, you will grow 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 Sivir. Champions who typically don't get much CS typically don't require much CS to be valuable teammates, such as support champions. They are capable of scaling well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, often require several high cost items to be effective. In either case, try to exceed the numbers reported on this page to do well.
The most important items to have in your Kassadin versus Sivir build consist of Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin used at least these three pieces in his build, he performed a lot better when fighting Sivir than with most other common item sets. In fact, Kassadin boasted an average win rate of 52.6% when countering Sivir with these items in his kit.
To have the greatest likelihood of annihilating Sivir 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. Of all the rune combinations we have analyed for Kassadin vs Sivir LoL games, this sequence of runes yielded the highest win rate. Moreover, these runes provided a 52.6% win rate overall.
By default, tips, stats, and builds on how to beat Sivir as Kassadin are presented for all skill levels, merged. If you want to scope the stats and builds to a distinct rank, you can use the selection menu earlier in the counter matchup guide.