Use Demacian Standard as a scouting tool when worried about incoming enemies.
You can use the Dragon Strike / Demacian Standard combo to get out of your own Cataclysm arenas.
Split your basic attacks on different champions at the beginning of fights to maximize damage.
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 Jarvan IV Kassadin synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kassadin, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Jarvan IV sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Kassadin. His KDA decreased from NaN to NaN. This decrease shows that Kassadin helps Jarvan IV perform worse in competitive League of Legends rounds. Yet, the small difference proves that this performance change is only marginal.
When Jarvan IV plays on the same team as Kassadin, he observes a small decrease in his complete damage dealt. This could signal that Kassadin does not support by providing protection for him to dish out more damage or that his presence on the team also helps extend the match's duration. Similarly, when Jarvan IV is played alongside Kassadin on the same side, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing with Kassadin.
Additionally, when Jarvan IV plays with Kassadin on the same side, he usually receives a little less damage than when he fights alone. Receiving not as much damage may mean that Kassadin does a decent job of covering Jarvan IV during teamfights.
There is no top companion for Jarvan IV that will no matter what be his #1 teammate. However, Kassadin is a very typical companion for Jarvan IV. By being on the same side as Jarvan IV, he increases their win rate by 0.6% to 49.2%. This clearly indicates that there is only a small synergy between Jarvan IV and Kassadin that allows them to perform at the top of their game together than alone.
Kassadin has a greater difficulty than Jarvan IV. That means you must be cautious when finding Kassadin teammates to play with, as they will have to have a greater level of skill to be able to fight well with you.
Playing cooperatively, you should witness an overall large increase in your team’s ability to to cover for your other teammates. Together, these two will be a great protective duo.
Conversely, by pairing Jarvan IV and Kassadin together, you will not be granting your side much utility. Make sure to pick other champions on your team that nullifies this gap in their capabilities.
Regardless of the ability of your Kassadin teammate, you should focus on increasing your income, outlasting your enemies, and clearing objectives. If you heed this simple advice, you should do well, regardless.
To truly master Jarvan IV in order to pair well with Kassadin during both the early game and mid / late game phases of LoL rounds, you should continue reading to pick up additional tricks and insights into this champion pairing. If you listen to the build and stats displayed above, you will grow your win rate by a lot.
The best items to have in your Jarvan IV and Kassadin synergy build consist of Sterak's Gage, Spear of Shojin, and Sundered Sky. When Jarvan IV combined at least these three pieces in his build, he did much better when paired up with Kassadin than with many other common builds. In fact, Jarvan IV boasted an average winrate of 49.2% helping carry Kassadin with these items in his kit.
To have the highest chance of vanquishing your oponents, you should take the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune builds that we analyzed for this team composition, this order of runes resulted in the top win rate. Notably, these runes averaged a 49.2% win rate overall.
By default, tips, statistics, and builds on how to synergize Kassadin with Jarvan IV are shown for all ranked divisions combined. If you would like to narrow the stats and builds to a particular rank, you can use the selection menu earlier on the page.