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.
Vel'Koz has fairly low mobility and is vulnerable to ganks.
Vel'Koz is very dangerous if left alone in a fight. Try to focus him down early.
Life Form Disintegration Ray can be interrupted by stuns, silences and knockups.
The stat comparisons shown here show some valuable Kassadin versus Vel'Koz counter statistics that may help you realize the distinctions between the two. For instance, Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is better than Vel'Koz’s KDA ratio of NaN, showing that Kassadin may be more central to his team's team fighting capability than Vel'Koz. This observation is in large part a result of the difference in kills.
Kassadin usually has a slightly larger longest kill spree than his opponent does. Commonly, he takes more damage than Vel'Koz. This commonly reflects differing health capacities, but it can also imply that the one champion has less mobility and thus is unable to escape additional harm when poked or engaged.
Both League champions are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Kassadin usually wins when playing against Vel'Koz, with a 52.6% win rate. Therefore, Kassadin makes a good counter to Vel'Koz.
While Kassadin does have a higher win rate than Vel'Koz, when they face off with one another, Kassadin also has a greater learning curve that makes him a more complex champion to develop with. You should be be fine when picking Kassadin into Vel'Kozas his relative depth means that you may not be able to reach his full potential without a lot of practice beforehand.
Additionally, Kassadin has some amount of utility and CC, a similar amount to Vel'Koz. This makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Kassadin vs Vel'Koz matchups, Kassadin is the better champ with a noticably higher win rate, similar champion depth, and a similar amount of utility to help out your team members during team fights.
Kassadin is a good counter for Vel'Koz. You will do well by focussing your tactics on maximizing your gold income and taking out objectives. If you are able to do that, you should do very well as Kassadin against Vel'Koz.
If you would like to learn all of the intricacies of Kassadin in order to counter Vel'Koz during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you pay attention to the build and stats displayed here, you should grow your win rate significantly and be closer to League of Legends pro players.
Kassadin on average accumulates more CS relative to Vel'Koz. Champs who typically don't acquire much CS often don't need much CS to be effective, such as supports. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champs with large amounts 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 best items to use in your Kassadin versus Vel'Koz build consist of Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin used at least these three items in his build, he performed significantly better when facing Vel'Koz than with many other commonly used item sets. In fact, Kassadin boasted an average win rate of 52.6% when playing against Vel'Koz with this counter build.
To have the highest probability of defeating Vel'Koz as Kassadin, you 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 that we analyzed for Kassadin vs Vel'Koz matchups, this combination of runes resulted in the greatest win rate. Notably, these runes averaged a 52.6% winrate overall.
If you would like to get Kassadin x Vel'Koz tips and counter stats for a a specific player tier, feel free to select one from the selection menu provided above. At first, the statistics and strategies shown are calculated using all matches finished with these champs.