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.
You can cast Smite on Mist Walkers and the Maiden of the Mist to damage or kill them.
You can attack Dark Procession to break the wall down.
Try to thin out Yorick's minions before you engage him, Mist Walkers will die from a basic attack or a single target spell.
The stat comparisons provided here highlight several vital Kassadin versus Yorick matchup statistics that may help you figure out the differences and similarities between the two. As an example, Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is more than Yorick’s KDA ratio of NaN, highlighting that Kassadin may be more central to his team's team fighting capability than Yorick. This observation is largely caused by the difference in kills.
Kassadin normally has a slightly larger longest killing spree than his enemy does. Typically, he takes a similar amount of damage to Yorick. This often reflects different amounts of tankyness, but it can also show that the champion with increased HP has less mobility and thus is not able to kite away from additional harm when poked or engaged.
Both League champions are great. Both have their pros and cons. In League's current meta, Kassadin usually wins when taking on Yorick, with a 51.6% win rate. Therefore, Kassadin makes a good counter for Yorick.
While Kassadin does have a higher winrate than Yorick, when they face off with one another, Kassadin also has a greater level of difficulty that makes him a more time consuming champion to pick up and master. You should be careful when picking Kassadin into Yorickas his relative depth means that you may not be able to unleash his full potential without a significant amount of practice beforehand.
Furthermore, Kassadin also has some amount of CC and other utility, a similar amount to Yorick. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not one best champion overall in League of Legends, in Kassadin vs Yorick matchups, Kassadin is the better champ with a higher 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 decent counter to Yorick. Focus your play on increasing your gold income and destroying objectives. If you are able to do that, you should hold your own as Kassadin against Yorick.
If you would like to learn all of the intricacies of Kassadin in order to counter Yorick during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra tricks and insights into this matchup. If you listen to the build and tips presented above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Kassadin typically gets a similar amount of CS as Yorick. Champs who typically don't acquire much CS usualy don't require much CS to be valuable teammates, such as support champions. They are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually need many items to be effective. In either case, try to exceed the numbers shown on this page to do well.
The most crucial items to use in your Kassadin versus Yorick build include Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin used at least these three pieces in his build, he performed significantly better when facing Yorick than with most other common counter builds. In fact, Kassadin boasted an average winrate of 51.6% battling Yorick with these items in his kit.
To have the greatest chance of coming out on top against Yorick 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. Of all the runes players used for Kassadin vs Yorick face-offs, this mix of runes yielded the greatest win rate. In fact, these runes gave a 51.6% winrate overall.
By default, tips, stats, and builds on how to beat Yorick as Kassadin are presented for all skill levels, merged. If you want to narrow the statistics and builds to a particular rank, you can use the selection menu above.