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.
All of Riven's damage is physical, prioritize high Armor if an opposing Riven gets out of control.
Riven has a great deal of mobility but she cannot move very far with any one skill. Rooting or silencing her during her combo will greatly reduce her effectiveness.
Riven excels at dueling multiple melee attackers at once, as she will be on an almost equal footing damage-wise. If pairing up against Riven, don't go in as double melee until she has expended her full combo.
The stat comparisons shown on this page clarify some influential Kassadin versus Riven counter stats that can help us distinguish the differences between this pair of champs. Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is better than Riven’s KDA ratio of NaN, showing that Kassadin may be more central to his team's team fighting capability than Riven..
Kassadin often has a similar longest killing spree as his matchup does. On average, he takes more damage than Riven. This commonly reflects differing health capacities; however, it can also hint that the one champion has less mobility and thus is not able to escape additional damage when engaged or poked.
Both League of Legends champions are great champions. Both have their pros and cons. In the game's current meta, Kassadin usually loses when facing off against Riven, with a 48.1% win rate. Therefore, Kassadin makes a bad counter to Riven.
While Kassadin does have a lower win rate compared to Riven, when on opposite teams, Kassadin also has a greater difficulty level that makes him a more challenging champ to learn. You should be careful when picking Kassadin into Rivenas his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Furthermore, Kassadin also has some amount of CC and other utility, a similar amount to Riven. 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 overall in League of Legends, in Kassadin vs Riven matchups, Riven is the better champ with a lower win rate, similar champion depth, and a similar amount of utility to help out your team members during late stage team fights.
Kassadin is a somewhat poor counter for Riven. You will do well by focussing your strategy on keeping up your gold and cs and taking out objectives. If you are able to do that, you should do very well as Kassadin against Riven.
To truly master Kassadin in order to counter Riven during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you pay attention to the build and tips presented here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Kassadin often gets a similar amount of CS relative to Riven. Champions who on average don't acquire many minion kills usualy don't require much CS to be effective, such as support champions. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often have to have many items to be effective. In either situation, try to do better than the numbers displayed on this page to do well.
The most crucial items to prioritize in your Kassadin versus Riven build consist of Seraph's Embrace, Rabadon's Deathcap, and Rod of Ages. When Kassadin used at least these three pieces in his build, he performed significantly better versus Riven than with most other commonly used item sets. In fact, Kassadin had an average winrate of 48.1% battling Riven with this build.
To have the highest probability of vanquishing Riven as Kassadin, Kassadin players should use 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 builds players used for Kassadin vs Riven matchups, this combo of runes resulted in the highest win rate. Moreover, these runes provided a 48.1% winrate overall.
If you need to view Kassadin x Riven tips and builds for a a particular rank, feel free to choose one from the selection menu above. By default, the statistics and build suggestions given are computed using all rounds with data with both champs.