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.
Clever use of enemy ultimates can open up new possibilities to approach teamfights.
Wait for you or your enemy to reach low health before using Kingslayer for maximum effect.
Space out your ability usage to get maximum effect from Petricite Burst.
The Gwen Sylas synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Sylas, 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 very large drop in her KDA (ratio of kills and assists to deaths) when paired with Sylas. His KDA worsened from NaN to NaN. This negative change shows that Sylas helps Gwen perform not as well in competitive LoL games. Yet, the small difference shows that this performance change is not very impactful.
When Gwen plays on the same team as Sylas, she gets a little decrease in her total damage output. This could signal that Sylas does not support by providing protection for her to dish out more damage or that his allyship also helps extend the match's duration. Similarly, when Gwen is played together with Sylas on the same team, he usually scores many fewer killing sprees compared to when she plays alone. This is contrasting evidence that she is worse when playing synergisticly with Sylas.
Moreover, when Gwen plays with Sylas on the same side, she often takes a little less damage than when she fights alone. Receiving not as much damage could indicate that Sylas does a decent job of covering Gwen in teamfights.
There is no universally accepted best champion pairing for Gwen that will 100% of the time be her top synergy. However, overall, Sylas is a not very good ally for Gwen. By playing on the same side as Gwen, he decreases their win rate by -3.0% to 45.1%. This clearly indicates that there is a harmful strategic relationship between Gwen and Sylas that results in them performing worse together than without each other.
Sylas has a lower difficulty than Gwen. That means you don't need to be careful when finding Sylas teammates to fight alongside, as they will have to have a lower level of skill to be able to fight well with you.
Playing on the same side, Gwen players should expect to observe an overall large increase in your team’s ability to deal magical damage. When paired, these champs can deal quite a lot of AP type damage.
In contrast, by grouping Gwen and Sylas together, you probably will not be providing your other teammates enough utility. Make sure to have other champions on your team that nullifies this relative disparity in their kit.
Regardless of the ability of your Sylas teammate, you need to focus on increasing your gold income, outlasting your enemies, and taking down objectives. If you follow these simple suggestions, you should do well anyway.
If you would like to truly master Gwen to synergize with Sylas during both the early game and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this champion pairing. If you use the build and tips displayed here, you should increase your win rate significantly.
The top finished items to have in your Gwen and Sylas synergy build include Rabadon's Deathcap, Nashor's Tooth, and Riftmaker. When Gwen incorporated at least these three great items in her build, she did a lot better when paired up with Sylas than with many other common builds. In fact, Gwen had an average winrate of 45.1% when playing alongside Sylas with this build.
To have the greatest likelihood of vanquishing your oponents, Gwen players should equip the Lethal Tempo, Presence of Mind, Legend: Alacrity, Last Stand, Bone Plating, and Unflinching runes from the Precision and Resolve rune sets. Out of all the rune combinations players chose for this champion pairing, this combination of runes resulted in the highest win rate. In fact, these runes gave a 45.1% win rate overall.
By default, tips, statistics, and builds on how to team up Sylas with Gwen are shown for all skill levels, merged. To narrow the stats and builds to a particular player tier, you can use the selection menu earlier on the page.