Try and keep targets in the range of your Flamespitter. It can deal a lot of damage overtime.
If you are winning a fight you can use your ultimate to wall off an escape path.
Try and pace yourself to stay in the Danger Zone to maximize your effectiveness. It is easy to overheat if you rapidly use your abilities.
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 Rumble 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, Rumble sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Kassadin. His KDA worsened from NaN to NaN. This worsening shows that Kassadin helps Rumble perform worse in ranked LoL matches. Yet, the small difference indicates that this performance change is not very impactful.
When Rumble plays on the same team as Kassadin, he observes a barely noticable drop in his total damage dealt. This could indicate that Kassadin does not help cover for him to dish out more damage or that his allyship also helps extend the match's duration. Similarly, when Rumble is played alongside Kassadin on the same team, he usually scores many fewer killing sprees compared to when he plays alone. This is contrasting evidence that he is worse when playing with Kassadin.
Additionally, when Rumble plays with Kassadin on the same side, he typically takes more damage than when he plays alone. Getting dealt more damage may mean that Kassadin does a poor job of covering Rumble during teamfights.
There is no ideal synergy for Rumble that will no matter what be his top ally. However, Kassadin is a relatively poor ally for Rumble. By locking into the same side as Rumble, he drops their win rate by -1.5% to 47.8%. This shows that there is a negative strategic relationship between Rumble and Kassadin that results in them performing worse together than alone.
Kassadin has a lower difficulty than Rumble. That means Rumble players don't need to be careful when arranging Kassadin allies to go into battle on the same side as, as they will need a lower level of skill to be able to fight well with you.
When playing together, Rumble players will likely see an overall large increase in your team’s ability to deal magical damage. Together, these champs can deal quite a lot of AP type damage.
In contrast, by aligning Rumble and Kassadin together, you probably will not be granting your side a lot of attack damage. Plan to include other champions on your team that neutralizes this disparity in this pairing's capabilities.
Regardless of your Kassadin ally's ability, you need to focus on increasing your gold income, warding to avoid ambushes, and taking down objectives. If you follow these simple suggestions, you will do well anyway.
If you would like to truly master Rumble to work well with Kassadin during both the early game and mid / late game phases of League rounds, you should continue reading to master additional lessons on this champion pairing. If you pay attention to the build and tips displayed above, you should increase your win rate significantly.
The best finished items to focus on in your Rumble and Kassadin synergy build consist of Shadowflame, Stormsurge, and Liandry's Torment. When Rumble bought at least these three great items in his build, he did much better when paired up with Kassadin than with most other common item sets. In fact, Rumble had an average winrate of 47.8% helping carry Kassadin with these items in his kit.
To have the highest chance of crushing your oponents, Rumble players should take the Arcane Comet, Nimbus Cloak, Absolute Focus, Scorch, Bone Plating, and Unflinching runes from the Sorcery and Resolve rune sets. Of all the rune builds we have analyed for this champion pairing, this order of runes resulted in the top win rate. In fact, these runes gave a 47.8% win rate overall.
If you want to view Rumble with Kassadin cooperations tips and stats for a an individual skill level, please choose one from the selection menu shown above. If viewing for the first time, the stats and strategies shown are computed using all matches with data with these champs.