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.
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.
The Sion Kog'Maw synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kog'Maw, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Sion sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Kog'Maw. His KDA fell from NaN to NaN. This decrease shows that Kog'Maw helps Sion perform poorer in competitive League games. Yet, the small difference demonstrates that this performance change is only marginal.
When Sion is an ally to Kog'Maw, he gets a small increase in his complete damage dealt. This may indicate that Kog'Maw provides cover for him to deal more damage or that his presence also helps increase the match's duration. Similarly, when Sion is played with Kog'Maw on the same team, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing synergisticly with Kog'Maw.
Additionally, when Sion plays with Kog'Maw on the same side, he usually takes a little more damage than when he fights alone. Receiving more damage could mean that Kog'Maw does a poor job of covering Sion during teamfights.
There is no one best ally for Sion that will no matter what be his best teammate. Yet, overall, Kog'Maw is a decent companion for Sion. By playing on the same team as Sion, he improves their win rate by 1.1% to 51.3%. This clearly indicates that there is pretty good synergy between Sion and Kog'Maw that results in them performing at the top of their game together than alone.
Kog'Maw has a greater difficulty than Sion. That means you need to be cautious when enlisting Kog'Maw comrades to play with, as they will have to have a greater level of skill to be able to play well with you.
Working alongside, you will likely witness an overall large increase in your team’s capability to dish out massive AD. Combined, these two should be able to take down targets with auto-attacks and other AD damage abilities.
Although, by grouping Sion and Kog'Maw together, you probably will not be granting your side enough magical damage output. Make sure to bring other champs on your team that fills this relative hole in their potential.
Regardless of the ability of your Kog'Maw ally, you should focus on maximizing your income, warding to avoid ambushes, and clearing objectives. If you heed this simple advice, you should do well, regardless.
If you would like to truly master Sion in order to pair well with Kog'Maw during both the lane and mid / late game phases of League, you should continue reading to learn some more tips and tricks for this champion pairing. If you pay attention to the build and stats shown here, you will grow your win rate by a lot.
The best finished items to have in your Sion and Kog'Maw synergy build include Unending Despair, Heartsteel, and Hollow Radiance. When Sion included at least these three great items in his build, he performed much better as an ally of Kog'Maw than with many other typical builds. In fact, Sion boasted an average winrate of 51.3% helping carry Kog'Maw with these items in his kit.
To have the greatest probability of defeating your oponents, you should equip the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Minion Dematerializer, and Approach Velocity runes from the Resolve and Inspiration rune sets. Out of all the rune combinations players chose for this team composition, this mix of runes resulted in the greatest win rate. Notably, these runes averaged a 51.3% winrate overall.
By default, tips, statistics, and builds on how to team up Kog'Maw with Sion are given for all skill levels combined. If you want to scope the statistics and builds to an individual rank, you can use the selection menu located above.