Be very careful about when to use Life Form Disintegration Ray. Many champions have abilities that can interrupt the spell.
Shooting Plasma Fission diagonally and splitting at maximum range allows you to hit opponents that are out of the range of the initial missile, but is more challenging to pull off.
When laning, use Void Rift to kill minions while building stacks of Organic Deconstruction on your opponent. You can then follow up with your other abilities.
It takes 6 spell casts for Kassadin's slow, Force Pulse, to become castable. If he levels up that ability, judiciously use your own skills while laning against him.
Kassadin deals mostly magic damage. If he's doing well consider buying magic resist items like Mercury's Treads and Banshee's Veil.
Each time Kassadin consecutively uses Riftwalk, he pays more and more mana. Keep this in mind as you chase him.
The stats shown on this page clarify several vital Vel'Koz against Kassadin matchup statistics that can help you grasp the differences and similarities between these two champs. For instance, Vel'Koz’s KDA ratio ([kills + assists] / deaths) of NaN is more than Kassadin’s ratio of NaN, highlighting that Vel'Koz may be more central to his team's team fighting capacity than Kassadin..
Vel'Koz usually has a slightly smaller longest kill spree than his enemy does. Commonly, he receives less damage than Kassadin. This commonly reflects differing health capacities, yet it can also imply that the one champ has less agility and thus is not able to escape additional damage when poked or engaged.
Both LoL champions are great. Both have their pros and cons. In the game's current meta, Vel'Koz usually loses when trying to fight Kassadin, with a 47.4% win rate. Thus, Vel'Koz makes a bad counter for Kassadin.
While Vel'Koz does have a lower winrate compared to Kassadin, when facing one another, Vel'Koz also has a greater level of difficulty that makes him a more difficult character to develop with. You should expect to face a difficult match when picking Vel'Koz into Kassadinas his relative depth means you may not be able to reach his full potential without a significant amount of practice beforehand.
Moreover, Vel'Koz has some amount of CC and other utility, a similar amount to Kassadin. This makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there is not one best champion in League of Legends, in Vel'Koz vs Kassadin matchups, Kassadin is the better champ with a lower win rate, similar champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Vel'Koz is a trash counter for Kassadin. Focus your tactics on increasing your CS and clearing objectives. If you do that, you should hold your own as Vel'Koz against Kassadin.
If you would like to truly master Vel'Koz in order to counter Kassadin during both the early game and mid / late game phases of League of Legends, you should keep reading to gather a few extra lessons on this matchup. If you pay attention to the build and stats displayed above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Vel'Koz often racks up less CS as Kassadin. Champs who on average don't take much CS usualy don't require much CS to be effective, such as support champions. They are capable of scaling well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually need several high cost items to be effective. In either situation, try to exceed the values shown on this page to do well.
The most important items to use in your Vel'Koz versus Kassadin build include Zaz'Zak's Realmspike, Shadowflame, and Luden's Companion. When Vel'Koz used at least these three pieces in his build, he performed a lot better vs Kassadin than with most other commonly used counter builds. In fact, Vel'Koz had an average winrate of 47.4% when playing against Kassadin with this counter build.
To have the best chance of beating Kassadin as Vel'Koz, you should equip the Arcane Comet, Manaflow Band, Transcendence, Scorch, Biscuit Delivery, and Cosmic Insight runes from the Sorcery and Inspiration rune sets. Out of all the rune combinations players picked for Vel'Koz vs Kassadin counterpicks, this combination of runes yielded the greatest win rate. Notably, these runes gave a 47.4% winrate overall.
By default, tips, statistics, and builds on how to beat Kassadin as Vel'Koz are shown for every ranked division. To scope the stats and builds to a specific rank, you should use the selection menu above.