Make the most out of your Icathian Surprise.
Use Void Ooze to set up a perfect Living Artillery.
Kog'Maw can outrange most champions with his Bio-Arcane Barrage ability.
Rumble deals almost entirely magic damage. Build some Magic Resistance to reduce his damage.
Watch Rumble's Heat bar carefully. If you see him Overheat, go in for the kill while his skills are disabled.
Rumble's ultimate can deal a lot of damage if you stay inside the area of effect. When you see the missiles falling, move out of the way as quickly as possible.
The stat comparisons provided here underscore several significant Kog'Maw vs. Rumble matchup stats that may help us explain the differences between the pair. Kog'Maw’s KDA ratio ([kills + assists] / deaths) of NaN is more than Rumble’s ratio of NaN, indicating that Kog'Maw may be more central to his team's team fighting capability than Rumble..
Kog'Maw usually has a similar longest kill spree as his enemy does. Commonly, he takes less damage than Rumble. This typically indicates different amounts of tankyness, but it can also hint that the champion with more health has less agility and thus is not able to flee from further damage when engaged or poked.
Both League champs are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Kog'Maw usually wins when playing against Rumble, with a 55.2% win rate. Therefore, Kog'Maw makes a fantastic counter to Rumble.
While Kog'Maw does have a much higher winrate than Rumble, when facing one another, Kog'Maw also has a much lower difficulty level that makes him a less challenging champion to develop with. You should be be fine when picking Kog'Maw into Rumble.
Moreover, Kog'Maw has only a small amount of utility and CC, a similar amount to Rumble. This often makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion overall in League of Legends, in Kog'Maw vs Rumble matchups, Kog'Maw is the better champ with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Kog'Maw is a great counter for Rumble. You will do well by focussing your actions on increasing your gold income and clearing objectives. If you do that, you should be able to stand on your own as Kog'Maw against Rumble.
If you would like to learn all of the intricacies of Kog'Maw in order to counter Rumble during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this matchup. If you mind the build and suggestions shown above, you will increase your win rate significantly and be closer to League of Legends pro players.
Kog'Maw most often gets a similar amount of CS as Rumble. Champions who on average don't acquire many minion kills typically don't need much CS to be effective, such as sup champs. They are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often require several high cost items to be effective. In either situation, try to surpass the numbers displayed here to do well.
The ideal items to focus on in your Kog'Maw versus Rumble build consist of Guinsoo's Rageblade, Blade of The Ruined King, and Terminus. When Kog'Maw included at least these three items in his build, he did much better versus Rumble than with most other commonly used builds. In fact, Kog'Maw had an average winrate of 55.2% when playing against Rumble with this build.
To have the best chance of vanquishing Rumble as Kog'Maw, you should take the Lethal Tempo, Triumph, Legend: Bloodline, Last Stand, Conditioning, and Overgrowth runes from the Precision and Resolve rune sets. Out of all the rune builds players chose for Kog'Maw vs Rumble battles, this mix of runes yielded the greatest win rate. Moreover, these runes provided a 55.2% win rate overall.
By default, tips, stats, and builds on how to beat Rumble as Kog'Maw are given for every ranked division. To narrow the stats and builds to a specific player tier, you can use the selection menu located earlier on the page.