Try to knock enemies back into your towers with Explosive Cask.
Try to combo Body Slam with Explosive Cask to set up kills for your team.
The damage reduction from Drunken Rage is applied when you start drinking, try to use it when you see damage coming your way.
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 Gragas 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, Gragas sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Sion. His KDA fell from NaN to NaN. This fall shows that Sion helps Gragas perform not as well in ranked LoL matches. Yet, the small difference proves that this performance change is not very impactful.
When Gragas is an ally to Sion, he sees a small increase in his full damage dealt. This difference could signal that Sion helps provide protection for him to dish out more damage or that his presence also helps increase the game's duration. Similarly, when Gragas is played together with Sion on the same side, he usually scores many fewer killing sprees compared to when he plays on his own. This is contrasting evidence that he is worse when playing with Sion.
Additionally, when Gragas plays with Sion on the same team, he usually takes a little more damage than when he plays alone. Taking more damage may indicate that Sion does a poor job of covering Gragas in team fights.
There is no one best synergy for Gragas that will always be his #1 teammate. However, Sion is a very typical teammate for Gragas. By being on the same side as Gragas, he decreases their win rate by -0.6% to 47.3%. This demonstrates that there is only a small bond between Gragas and Sion that results in them performing worse together than alone.
Sion has a lower difficulty than Gragas. That means you don't need to be cautious when finding Sion teammates to fight alongside, as they will have to have a relatively low level of skill to be able to fight well with you.
Fighting cooperatively, you should expect to observe an overall large increase in your team’s capacity to tank a lot of damage. Together, these champions will be able to tank for the rest of their team.
Conversely, by pairing Gragas and Sion together, you will not be providing your other allies very much anti-tank damage dealing potential. We recommend you have other champs on your team that helps cover this hole in their kit.
Regardless of your Sion ally's skill level, you need to focus on increasing your income, warding to avoid ambushes, and taking down objectives. If you do this, you should do well, regardless.
To learn all of the intricacies of Gragas in order to synergize with Sion during both the lane and mid / late game phases of League of Legends rounds, you should continue reading to pick up some more tips and tricks for this champion pairing. If you use the build and stats shown here, you will grow your win rate significantly.
The best finished items to prioritize in your Gragas and Sion synergy build consist of Rabadon's Deathcap, Lich Bane, and Stormsurge. When Gragas bought at least these three items in his build, he performed much better as an ally of Sion than with most other commonly used builds. In fact, Gragas boasted an average win rate of 47.3% helping carry Sion with this build.
To have the best chance of beating your oponents, you should take the Electrocute, Sudden Impact, Eyeball Collection, Ultimate Hunter, Gathering Storm, and Transcendence runes from the Domination and Sorcery rune sets. Of all the rune combinations players chose for this champion pairing, this sequence of runes yielded the top win rate. Notably, these runes averaged a 47.3% win rate overall.
If you would like to view Gragas and Sion cooperations tips and stats for a a distinct division rank, feel free to choose one from the selection menu provided above. If viewing for the first time, the statistics and tips and suggestions given are computed using all matches run with these champs.