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.
The range on Living Artillery increases each rank.
Run away from Kog'Maw after he dies!!!!
Kog'Maw doesn't have a good escape ability, so he is especially prone to ganks.
Bio-Arcane Barrage allows Kog'Maw to kill Baron Nashor extremely early. It can be valuable to ward Nashor when Kog'Maw completes his Blade of the Ruined King.
The stat comparisons shown here highlight several important Jarvan IV versus Kog'Maw counter statistics that may help you understand the differences and similarities between the two. For instance, Jarvan IV’s KDA ratio ([kills + assists] / deaths) of NaN is more than Kog'Maw’s KDA ratio of NaN, indicating that Jarvan IV may be more central to his team's team fighting capability than Kog'Maw. This observation is largely fueled by the differences in assists.
Jarvan IV often has a slightly smaller longest kill spree than his enemy does. Typically, he receives more damage than Kog'Maw. This commonly reflects different amounts of tankyness, yet it can also illustrate that the champ with more HP has less agility and thus is unable to escape additional damage when engaged or poked.
Both LoL champs are great champions. Both have their pros and cons. In League's current meta, Jarvan IV usually loses when taking on Kog'Maw, with a 48.4% win rate. Thus, Jarvan IV makes a poor counter for Kog'Maw.
While Jarvan IV does have a lower winrate than Kog'Maw, when on opposite teams, Jarvan IV also has a lower learning curve that makes him a less challenging champion to pick up and master. You still need to be cautious when picking Jarvan IV into Kog'Maw.
Additionally, Jarvan IV also has some amount of utility and CC, a similar amount to Kog'Maw. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there is not a single best champion overall in League of Legends, in Jarvan IV vs Kog'Maw matchups, Kog'Maw is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.
Jarvan IV is a somewhat poor counter to Kog'Maw. Focus your play on maximizing your gold and cs and taking out objectives. If you do that, you should be able to stand on your own as Jarvan IV against Kog'Maw.
If you would like to truly master Jarvan IV in order to counter Kog'Maw during both the laning and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you mind the build and stats displayed above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Jarvan IV on average gets a lot less CS compared to Kog'Maw. Champs who typically don't get much CS often don't need much CS to be effective, such as sup champs. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often require several high cost items to be effective. In either situation, try to surpass the numbers reported here to do well.
The best items to prioritize in your Jarvan IV versus Kog'Maw build consist of Experimental Hexplate, Spear of Shojin, and Sundered Sky. When Jarvan IV incorporated at least these three pieces in his build, he performed significantly better versus Kog'Maw than with most other typical item sets. In fact, Jarvan IV boasted an average win rate of 48.4% when countering Kog'Maw with this build.
To have the highest probability of coming out on top against Kog'Maw as Jarvan IV, Jarvan IV players should equip the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Of all the rune combinations players chose for Jarvan IV vs Kog'Maw face-offs, this mix of runes resulted in the best win rate. In fact, these runes gave a 48.4% winrate overall.
If you want to see Jarvan IV vs Kog'Maw tips and builds for a a distinct rank, please select one from the selection menu shown above. At first, the stats and build suggestions displayed are calculated using all rounds completed with these champions.