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.
Roar of the Slayer is a great setup ability to land a very powerful Decimating Smash.
The Soul Furnace buff displays how much shield strength is remaining, use this information to time its explosion perfectly.
You only have very slight turning ability during Unstoppable Onslaught, so make sure to use it in straight paths.
The Kog'Maw Sion synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Sion, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Kog'Maw sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Sion. His KDA went down from NaN to NaN. This decrease shows that Sion helps Kog'Maw perform worse in ranked League of Legends matches. Yet, the small difference proves that this performance change is not very impactful.
When Kog'Maw tries to synergize with Sion, he sees a marginal improvement in his complete damage dealt. This change may indicate that Sion helps provide cover for him to dish out more damage or that his participation also helps increase the game's duration. Similarly, when Kog'Maw is played alongside Sion on the same side, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing alongside Sion.
Additionally, when Kog'Maw plays with Sion on the same team, he usually receives more damage than when he plays alone. Getting dealt more damage could indicate that Sion does a poor job of covering Kog'Maw in team fights.
There is no universally accepted best companion for Kog'Maw that will no matter what be his top ally. However, Sion is a good ally for Kog'Maw. By playing on the same team as Kog'Maw, he increases their win rate by 2.3% to 51.3%. This proves that there is a somewhat important strategic relationship between Kog'Maw and Sion that allows them to perform better together than without each other.
Sion has a lower difficulty than Kog'Maw. That means you don't need to be very careful when arranging Sion teammates to go into battle on the same side as, as they will require a relatively low level of skill to be able to do well with you.
When playing cooperatively, Kog'Maw players will likely see an overall large increase in your team’s capability to deal physical damage. When paired, these two should be able to take down targets with auto-attacks and other AD damage abilities.
Although, by pairing Kog'Maw and Sion together, you probably will not be providing your team a great deal of magical damage output. Plan to have other champs on your team that helps cover this hole in this pairing's capabilities.
Regardless of the skill of your Sion teammate, you need to focus on increasing your gold income, warding to avoid ambushes, and clearing objectives. If you do this, you will do well anyway.
If you would like to learn all of the intricacies of Kog'Maw in order to work well with Sion during both the laning and mid / late game phases of League of Legends, you should keep reading to learn some more tips and tricks for this champion pairing. If you mind the build and tips shown here, you will grow your win rate by a lot.
The top finished items to get in your Kog'Maw and Sion synergy build consist of Guinsoo's Rageblade, Blade of The Ruined King, and Terminus. When Kog'Maw used at least these three great items in his build, he performed a lot better as an ally of Sion than with many other typical builds. In fact, Kog'Maw had an average winrate of 51.3% helping carry Sion with this build.
To have the best likelihood of beating your oponents, 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 this team composition, this order of runes resulted in the top win rate. Moreover, these runes gave a 51.3% win rate overall.
By default, tips, stats, and builds on how to pair Sion with Kog'Maw are shown for all ranked divisions combined. If you would like to narrow the statistics and builds to a distinct skill level, you should use the selection menu above.