Jax benefits greatly from items that have both Ability Power and Attack Damage such as Guinsoo's Rageblade and Hextech Gunblade.
Jax can Leap Strike to friendly units, including wards. You can use them to plan your escape.
Cleavers are a powerful tool for killing neutral monsters. Instead of returning to base, farm neutral monsters until your ultimate can heal you.
A well-timed Sadism can bait enemy champions into attacking you even when they lack the damage to finish you.
Spirit Visage will increase the healing done by your ultimate and lower cooldowns on all of your abilities.
The Jax Dr. Mundo synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Dr. Mundo, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Jax sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Dr. Mundo. His KDA worsened from NaN to NaN. This worsening shows that Dr. Mundo helps Jax perform worse in competitive League of Legends games. Yet, the small difference demonstrates that this performance change is only marginal.
When Jax is an ally to Dr. Mundo, he gets a noticable drop in his full damage output. This may indicate that Dr. Mundo does not support by providing cover for him to dish out more damage or that his participation also helps extend the game's duration. Similarly, when Jax is played together with Dr. Mundo on the same side, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing synergisticly with Dr. Mundo.
Moreover, when Jax plays with Dr. Mundo on the same team, he on average takes a little more damage than when he plays alone. Getting dealt more damage could indicate that Dr. Mundo does a poor job of covering Jax in team fights.
There is no universally accepted best champion pairing for Jax that will 100% of the time be his #1 teammate. Yet, Dr. Mundo is a pretty good companion for Jax. By being on the same team as Jax, he increases their win rate by 1.6% to 52.4%. This clearly indicates that there is a potentially meaningful bond between Jax and Dr. Mundo that results in them performing better together than without each other.
Dr. Mundo has a lower difficulty than Jax. That means you don't need to be cautious when enlisting Dr. Mundo comrades to go into battle on the same side as, as they will have to have a lower level of skill to be able to fight well with you.
Fighting alongside, Jax players will likely see an overall large increase in your team’s ability to deal magical damage. Combined, these champs are able to dish out a surprising amount of magic type damage.
Conversely, by aligning Jax and Dr. Mundo together, you probably will not be providing your other allies a lot of crowd control. Plan to include other champions on your team that fills this gap in their potential.
Regardless of your Dr. Mundo ally's ability, you need to focus on increasing your income, outlasting your enemies, and taking down objectives. If you do this, you will do well, regardless.
To truly master Jax to pair well with Dr. Mundo during both the lane and mid / late game phases of League of Legends matches, you should continue reading to pick up a few extra lessons on this champion pairing. If you use the build and stats presented above, you will increase your win rate significantly.
The top finished items to use in your Jax and Dr. Mundo synergy build include Sterak's Gage, Spear of Shojin, and Sundered Sky. When Jax incorporated at least these three great items in his build, he did a lot better when paired up with Dr. Mundo than with many other common builds. In fact, Jax boasted an average win rate of 52.4% when playing alongside Dr. Mundo with these items in his kit.
To have the greatest probability of vanquishing your oponents, you should use the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Out of all the rune sets that we analyzed for this team composition, this sequence of runes yielded the greatest win rate. Notably, these runes provided a 52.4% winrate overall.
By default, tips, stats, and builds on how to synergize Dr. Mundo with Jax are given for all ranked divisions. To scope the stats and builds to a specific division, you can use the selection menu above.