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.
The stat comparisons provided here clarify some vital Kassadin against Yone counter stats that can help you realize the differences between the pair. Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is more than Yone’s ratio of NaN, showing that Kassadin may be more central to his team's team fighting effectiveness than Yone..
Kassadin often has a similar longest kill spree as his matchup does. On average, he receives more damage than Yone. This is usually reflective of different amounts of tankyness, but it can also show that the one champ has less mobility and thus is unable to escape additional harm when poked or engaged.
Both LoL champions are great champions. Both have their pros and cons. In League's current meta, Kassadin usually loses when playing against Yone, with a 47.3% win rate. As a result, Kassadin makes a poor counter for Yone.
While Kassadin does have a lower winrate than Yone, when on opposite teams, Kassadin also has a greater learning curve that makes him a more challenging champ to learn. You should be very concerned when picking Kassadin into Yoneas his relative depth means you may not be able to reach his full potential without a significant amount of practice beforehand.
Furthermore, Kassadin has some amount of utility and CC, a similar amount to Yone. This often makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Kassadin vs Yone matchups, Yone 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 teamfights.
Kassadin is a bad counter for Yone. Make sure you focus your actions on increasing your gold and cs and destroying objectives. If you can do that, you should be able to stand on your own as Kassadin against Yone.
To truly master Kassadin to counter Yone during both the early game and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this matchup. If you pay attention to the build and tips shown above, you should grow your win rate significantly and be closer to League of Legends pro players.
Kassadin usually accumulates a similar amount of CS compared to Yone. Champions who typically don't take many minion kills typically don't have to have much CS to be valuable teammates, such as support champions. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically need many items to be effective. In either case, try to do better than the values shown on this page to do well.
The ideal items to use in your Kassadin versus Yone build consist of Seraph's Embrace, Frozen Heart, and Malignance. When Kassadin used at least these three pieces in his build, he did significantly better vs Yone than with many other commonly used item sets. In fact, Kassadin boasted an average winrate of 47.3% battling Yone with this counter build.
To have the greatest likelihood of beating Yone 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 rune combinations players picked for Kassadin vs Yone counterpicks, this mixture of runes yielded the best win rate. In fact, these runes averaged a 47.3% win rate overall.
By default, tips, stats, and builds on how to beat Yone as Kassadin are displayed for every ranked division. To narrow the stats and builds to a specific player tier, you can use the selection menu at the top of this page.