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.
Be ready to dodge Shen's taunt and punish him if he misses.
Once Shen reaches level 6, watch out for his global-range ultimate, which can turn fights quickly.
The stats shown on this page highlight several influential Kassadin vs. Shen counter stats that may help us figure out the distinctions between the two. Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Shen’s KDA ratio of NaN, showing that Kassadin may be more central to his team's team fighting capacity than Shen. This observation is in large part caused by the difference in kills.
Kassadin typically has a slightly larger longest killing spree than his enemy does. On average, he receives a similar amount of damage to Shen. This is usually reflective of differing health capacities, yet it can also hint that the one champion has less agility and thus is not able to kite away from additional damage when poked or engaged.
Both LoL champs are great champions. Both have their pros and cons. In the game's current meta, Kassadin usually loses when taking on Shen, with a 48.5% win rate. Thus, Kassadin makes a bad counter to Shen.
While Kassadin does have a lower win rate than Shen, when they face off with one another, Kassadin also has a much greater level of difficulty that makes him a more challenging character to learn and master. You should be careful when picking Kassadin into Shenas his relative depth means that you may not be able to unleash his full potential without a significant amount of practice beforehand.
Moreover, Kassadin also has some amount of CC and other utility, a similar amount to Shen. 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 Shen matchups, Shen is the better champion with a lower win rate, more champion depth, and a similar amount of utility to help out your allies during late stage team fights.
Kassadin is a somewhat poor counter to Shen. Make sure you focus your actions on maximizing your CS and taking out objectives. If you do that, you should do very well as Kassadin against Shen.
To truly master Kassadin in order to counter Shen during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you pay attention to the build and tips displayed above, you should increase your win rate by a lot and be closer to League of Legends pro players.
Kassadin usually gets a similar amount of CS relative to Shen. Champs who on average don't acquire much CS often don't have to have much CS to be valuable teammates, such as sup champs. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically have to have several high cost items to be effective. In either case, try to surpass the values shown on this page to do well.
The best items to have in your Kassadin versus Shen build include Seraph's Embrace, Malignance, and Zhonya's Hourglass. When Kassadin incorporated at least these three items in his build, he performed significantly better vs. Shen than with many other commonly used counter builds. In fact, Kassadin had an average win rate of 48.5% when playing against Shen with this build.
To have the best likelihood of coming out on top against Shen as Kassadin, you should equip 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 used for Kassadin vs Shen clashes, this combo of runes resulted in the greatest win rate. Moreover, these runes averaged a 48.5% winrate overall.
By default, tips, statistics, and builds on how to beat Shen as Kassadin are presented for all ranked divisions combined. If you want to scope the statistics and builds to a particular rank, you can use the selection menu located earlier on the page.