Gwen can still damage enemies outside her Hallowed Mists, especially with her Ultimate's range.
Some of Gwen's Abilities can apply her passive to multiple enemies, so aim them at groups to get maximum damage and healing.
Always be Attacking - In addition to dealing bonus damage, Gwen's Attacks empower or reset many of her Abilities.
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 Gwen Sion synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Sion, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Gwen sees a large worsening in her KDA (ratio of kills and assists to deaths) when paired with Sion. His KDA decreased from NaN to NaN. This worsening shows that Sion helps Gwen perform not as well in ranked League games. Yet, the small difference indicates that this performance change is only marginal.
When Gwen is paired with Sion, she sees a little drop in her complete damage output. This change could demonstrate that Sion doesn't help protection for her to dish out more damage or that his allyship also helps extend the match's duration. Similarly, when Gwen is played with Sion on the same team, he usually scores many fewer killing sprees than when she plays on his own. This is contrasting evidence that she is worse when playing alongside Sion.
Moreover, when Gwen plays with Sion on the same team, she typically takes more damage than when she plays alone. Getting dealt more damage could indicate that Sion does a poor job of covering Gwen during teamfights.
There is no ideal champion pairing for Gwen that will no matter what be her best ally. Yet, Sion is a pretty good ally for Gwen. By being on the same side as Gwen, he improves their win rate by 1.6% to 49.7%. This clearly indicates that there is a potentially meaningful bond between Gwen and Sion that results in them performing stronger together than alone.
Sion has a lower difficulty than Gwen. That means Gwen players don't need to be careful when arranging Sion teammates to go into battle on the same side as, as they will need a lower level of skill to work well with you.
Working alongside, you should witness an overall large increase in your team’s capability to to cover for your other teammates. When paired, these two might be able to provide enough cover for their team's carries.
Although, by pairing Gwen and Sion together, you will not be giving your other allies very much magic damage. Make sure to include other champions on your team that offsets this hole in their capabilities.
Regardless of your Sion ally's skill level, you should focus on maximizing your income, staying alive by avoiding foolish fights, and taking down objectives. If you do this, you should do well, regardless.
If you would like to learn all of the intricacies of Gwen in order to work well with Sion during both the laning and mid / late game phases of League rounds, you should keep reading to gather a few extra lessons on this champion pairing. If you pay attention to the build and stats presented above, you will grow your win rate by a lot.
The most crucial finished items to have in your Gwen and Sion synergy build consist of Rabadon's Deathcap, Nashor's Tooth, and Riftmaker. When Gwen incorporated at least these three finished items in her build, she performed significantly better when fighting alongside Sion than with many other common builds. In fact, Gwen had an average win rate of 49.7% when synergizing her build and playstyle to Sion with these items in her kit.
To have the best likelihood of defeating your oponents, you should take the Conqueror, Triumph, Legend: Alacrity, Last Stand, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune combinations players chose for this champion pairing, this blending of runes resulted in the best win rate. Notably, these runes averaged a 49.7% winrate overall.
By default, tips, stats, and builds on how to team up Sion with Gwen are presented for every ranked division. To narrow the stats and builds to a particular player tier, you can use the selection menu at the top of this page.