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.
Use the time after Sion has died to reposition and prepare for his return.
Even if Sion still hits a Decimating Smash, making him release the charge earlier reduces its impact.
The stats shown here emphasize several valuable Kog'Maw versus Sion matchup statistics that may help us grasp the distinctions between the pair. For instance, Kog'Maw’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Sion’s ratio of NaN, indicating that Kog'Maw may be more central to his team's team fighting effectiveness than Sion. This observation is largely fueled by the difference in kills.
Kog'Maw often has a much larger longest killing spree than his enemy does. On average, he takes less damage than Sion. This often reflects different amounts of tankyness, but it can also show that the champion with increased health has less agility and thus is not able to escape further harm when poked or engaged.
Both LoL champs are great champions. Both have their pros and cons. In the game's current meta, Kog'Maw usually wins when playing against Sion, with a 52.8% win rate. Therefore, Kog'Maw makes a good counter for Sion.
While Kog'Maw does have a higher win rate than Sion, when on opposite teams, Kog'Maw also has a greater learning curve that makes him a more difficult character to learn and master. You don't need to be too worried when picking Kog'Maw into Sion.
Additionally, Kog'Maw also has almost no amount of utility and CC, a similar amount to Sion. This often makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there isn't one best champion overall in League of Legends, in Kog'Maw vs Sion matchups, Kog'Maw is the better champ with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your teammates during late stage team fights.
Kog'Maw is a good counter to Sion. Focus your play on maximizing your CS and destroying objectives. If you do that, you should hold your own as Kog'Maw against Sion.
To learn all of the intricacies of Kog'Maw to counter Sion during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you pay attention to the build and tips displayed here, you should increase your win rate by a lot and be closer to League of Legends pro players.
Kog'Maw most often racks up a similar amount of CS as Sion. Champions who on average don't take much CS typically don't require much CS to be effective, such as sup champs. They are able to scale properly off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often need many items to be effective. In either situation, try to do better than the numbers shown on this page to do well.
The most crucial items to have in your Kog'Maw versus Sion build include Runaan's Hurricane, Guinsoo's Rageblade, and Terminus. When Kog'Maw used at least these three items in his build, he did significantly better vs. Sion than with many other common counter builds. In fact, Kog'Maw boasted an average win rate of 52.8% when playing against Sion with these items in his kit.
To have the best probability of defeating Sion as Kog'Maw, Kog'Maw players should use the Lethal Tempo, Triumph, Legend: Bloodline, Last Stand, Conditioning, and Overgrowth runes from the Precision and Resolve rune sets. Of all the rune sets players chose for Kog'Maw vs Sion clashes, this blending of runes resulted in the greatest win rate. Moreover, these runes averaged a 52.8% win rate overall.
If you want to see Kog'Maw vs Sion tips and builds for a an individual division rank, feel free to choose one from the selection menu provided above. If viewing for the first time, the stats and strategies shown are computed using all matches played with these champions.