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.
Hitting multiple champions with the same ability can help quickly activate Darkness Rise.
Offense is your defense. Keep fighting to build up larger Indestructible shields.
Use Realm of Death on a low health enemy to guarantee the kill and keep their stats for the rest of a teamfight.
The Jarvan IV Mordekaiser synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Mordekaiser, 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 large worsening in his KDA (ratio of kills and assists to deaths) when paired with Mordekaiser. His KDA decreased from NaN to NaN. This worsening shows that Mordekaiser helps Jarvan IV perform worse in ranked League matches. Yet, the small difference shows that this performance change is only marginal.
When Jarvan IV plays on the same team as Mordekaiser, he gets a little drop in his complete damage output. This could signal that Mordekaiser does not support by providing protection for him to dish out more damage or that his support also helps increase the game's duration. Similarly, when Jarvan IV is played together with Mordekaiser on the same team, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing alongside Mordekaiser.
Moreover, when Jarvan IV plays with Mordekaiser on the same team, he often takes a little less damage than when he fights alone. Getting dealt not as much damage may mean that Mordekaiser does a decent job of covering Jarvan IV in teamfights.
There is no ideal champion pairing for Jarvan IV that will always be his best teammate. However, overall, Mordekaiser is a top-tier ally for Jarvan IV. By being on the same team as Jarvan IV, he improves their win rate by 3.3% to 51.9%. This demonstrates that there is an important bond between Jarvan IV and Mordekaiser that results in them performing stronger together than without each other.
Mordekaiser has a lower difficulty than Jarvan IV. That means Jarvan IV players don't need to be very careful when arranging Mordekaiser teammates to fight alongside, as they will have to have a relatively low level of skill to work well with you.
Playing cooperatively, you will likely see an overall large increase in your team’s ability to soak up damage. When paired, these champs will be able to tank for the rest of their team.
In contrast, by grouping Jarvan IV and Mordekaiser together, you will not be giving your side enough crowd control. Make sure to include other champions on your team that nullifies this relative disparity in their potential.
Regardless of your Mordekaiser ally's ability, you need to focus on increasing your gold income, warding to avoid ambushes, and taking down objectives. If you do this, you will do well anyway.
If you would like to truly master Jarvan IV to work well with Mordekaiser during both the laning and mid / late game phases of LoL games, you should continue reading to pick up additional tips and tricks for this champion pairing. If you use the build and tips displayed here, you will increase your win rate by a lot.
The top items to focus on in your Jarvan IV and Mordekaiser synergy build include Maw of Malmortius, Spear of Shojin, and Sundered Sky. When Jarvan IV incorporated at least these three great items in his build, he performed significantly better when fighting alongside Mordekaiser than with most other typical item sets. In fact, Jarvan IV had an average winrate of 51.9% when playing alongside Mordekaiser with this build.
To have the best chance of beating 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. Of all the runes players picked for Jarvan IV and Mordekaiser pairings, this order of runes resulted in the highest win rate. Notably, these runes averaged a 51.9% winrate overall.
By default, tips, stats, and builds on how to synergize Mordekaiser with Jarvan IV are presented for all ranked divisions. If you want to filter the statistics and builds to an individual player tier, you should use the selection menu earlier in the counter matchup guide.