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.
Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum damage.
The Rumble Cassiopeia synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Cassiopeia, 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 Cassiopeia. His KDA decreased from NaN to NaN. This worsening shows that Cassiopeia helps Rumble perform poorer in competitive League matches. Yet, the small difference shows that this performance change is only marginal.
When Rumble is an ally to Cassiopeia, he gets a little drop in his complete damage dealt. This difference may indicate that Cassiopeia does not support by providing cover for him to deal more damage or that her support also helps extend the game's duration. Similarly, when Rumble is played together with Cassiopeia 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 Cassiopeia.
Additionally, when Rumble plays with Cassiopeia on the same side, he typically receives a little more damage than when he fights alone. Receiving more damage could mean that Cassiopeia does a poor job of protecting Rumble in teamfights.
There is no universally accepted best ally for Rumble that will no matter what be his #1 ally. However, Cassiopeia is a terrible teammate for Rumble. By playing on the same side as Rumble, she decreases their win rate by -3.8% to 45.5%. This proves that there is an easy to overcome and exploit synergy between Rumble and Cassiopeia that allows them to perform worse together than without each other.
Cassiopeia has a lower difficulty than Rumble. That means you don't need to be very careful when enlisting Cassiopeia comrades to fight alongside, as they will have to have a relatively low level of skill to be able to fight well with you.
Working alongside, Rumble players should observe an overall large increase in your team’s capability to to do a lot of AP damage. When paired, these champions are able to dish out a surprising amount of magic type damage.
Conversely, by pairing Rumble and Cassiopeia together, you probably will not be providing your other teammates enough anti-tank damage dealing potential. Make sure to include other champs on your team that nullifies this disparity in this pairing's potential.
Regardless of your Cassiopeia ally's skill level, you need to focus on increasing your gold income, outlasting your enemies, and taking down objectives. If you follow these simple suggestions, you should do well anyway.
To truly master Rumble to work well with Cassiopeia during both the lane and mid / late game phases of League, you should keep reading to gather a few extra lessons on this champion pairing. If you listen to the build and stats shown above, you will grow your win rate significantly.
The top items to use in your Rumble and Cassiopeia synergy build include Hextech Rocketbelt, Stormsurge, and Liandry's Torment. When Rumble bought at least these three items in his build, he performed significantly better as an ally of Cassiopeia than with many other common item sets. In fact, Rumble boasted an average win rate of 45.5% helping carry Cassiopeia with this build.
To have the highest chance of crushing your oponents, Rumble players should equip the Arcane Comet, Nimbus Cloak, Absolute Focus, Scorch, Bone Plating, and Unflinching runes from the Sorcery and Resolve rune sets. Of all the runes players used for this team composition, this combo of runes yielded the greatest win rate. Moreover, these runes gave a 45.5% win rate overall.
By default, tips, statistics, and builds on how to pair Cassiopeia with Rumble are presented for all ranked divisions combined. To scope the statistics and builds to a particular player tier, you should use the selection menu located earlier on the page.