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 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.
The Kassadin Vel'Koz synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Vel'Koz, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Kassadin sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Vel'Koz. His KDA fell from NaN to NaN. This negative change shows that Vel'Koz helps Kassadin perform poorer in competitive League matches. Yet, the small difference demonstrates that this performance change is not very impactful.
When Kassadin is paired with Vel'Koz, he sees a little drop in his full damage output. This change may demonstrate that Vel'Koz does not support by providing cover for him to dish out more damage or that his participation also helps extend the round's duration. Similarly, when Kassadin is played alongside Vel'Koz on the same side, he usually scores many fewer killing sprees compared to when he plays on his own. This is contrasting evidence that he is worse when playing alongside Vel'Koz.
Moreover, when Kassadin plays with Vel'Koz on the same team, he often receives a little more damage than when he fights alone. Getting dealt more damage may mean that Vel'Koz does a poor job of covering Kassadin in team fights.
There is no ideal champion pairing for Kassadin that will no matter what be his top teammate. Yet, overall, Vel'Koz is a very typical ally for Kassadin. By being on the same side as Kassadin, he increases their win rate by 0.3% to 50.3%. This signals that there is not really a strong strategic relationship between Kassadin and Vel'Koz that results in them performing at the top of their game together than alone.
Vel'Koz has a lower difficulty than Kassadin. That means Kassadin players don't need to be careful when enlisting Vel'Koz comrades to go into battle on the same side as, as they will need a relatively low level of skill to play well with you.
When playing on the same side, you should see an overall large increase in your team’s ability to deal magic damage. When paired, these champions can blast through enemies with magic damage.
Although, by aligning Kassadin and Vel'Koz together, you may not be providing your team a great deal of attack damage. Plan to pick other champs on your team that nullifies this gap in this pairing's abilities.
Regardless of the ability of your Vel'Koz teammate, you should focus on maximizing your gold income, outlasting your enemies, and taking down objectives. If you follow these simple suggestions, you will do well anyway.
If you would like to truly master Kassadin in order to work well with Vel'Koz during both the early game and mid / late game phases of League, you should continue reading to learn a few extra tricks and insights into this champion pairing. If you listen to the build and tips displayed here, you will increase your win rate by a lot.
The ideal items to include in your Kassadin and Vel'Koz synergy build consist of Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin included at least these three finished items in his build, he performed much better when fighting alongside Vel'Koz than with many other common builds. In fact, Kassadin boasted an average winrate of 50.3% helping carry Vel'Koz with this build.
To have the highest likelihood of vanquishing your oponents, 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. Out of all the rune sets players chose for Kassadin and Vel'Koz pairings, this blending of runes yielded the best win rate. Moreover, these runes averaged a 50.3% winrate overall.
If you want to view Kassadin with Vel'Koz cooperations tips and builds for a a particular division, please choose one from the selection menu above. By default, the statistics and tips and suggestions shown are calculated using every match played with these champions.