Sivir's Boomerang Blade returns to her after reaching the max range, so you can shift position to hit enemies who would otherwise have evaded it.
Try saving Spell Shield for enemy abilities that can disable you such as stuns and roots.
Ricochet resets Sivir's basic attack timer on activation, so activating this immediately after landing a normal basic attack will maximize damage output.
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.
The Sivir Gwen synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Gwen, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Sivir sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with Gwen. His KDA decreased from NaN to NaN. This fall shows that Gwen helps Sivir perform worse in ranked LoL games. Yet, the small difference indicates that this performance change is not very impactful.
When Sivir is an ally to Gwen, she gets a little increase in her total damage dealt. This difference may demonstrate that Gwen supports by providing protection for her to deal more damage or that her presence on the team also helps increase the round's duration. Similarly, when Sivir is played alongside Gwen on the same team, he usually scores many fewer killing sprees than when she plays alone. This is contrasting evidence that she is worse when playing with Gwen.
Additionally, when Sivir plays with Gwen on the same side, she typically takes a little less damage than when she fights alone. Getting dealt not as much damage may mean that Gwen does a decent job of covering Sivir in team fights.
There is no one best ally for Sivir that will no matter what be her best synergy. However, Gwen is a very typical companion for Sivir. By being on the same side as Sivir, she drops their win rate by -0.6% to 47.3%. This demonstrates that there is not really a strong synergy between Sivir and Gwen that results in them performing worse together than alone.
Gwen has a greater difficulty than Sivir. That means Sivir players need to be cautious when lining up Gwen teammates to go into battle on the same side as, as they will need a greater level of skill to be able to cooperate well with you.
Fighting alongside, Sivir players should expect to observe an overall large increase in your team’s ability to deal physical damage. When paired, these two can provide a great amount of sustained physical damage.
Conversely, by grouping Sivir and Gwen together, you probably will not be providing your side a lot of AP. Make sure to have other champions on your team that fills this relative hole in this pairing's abilities.
Regardless of the ability of your Gwen teammate, you should focus on maximizing your income, staying alive by avoiding foolish fights, and taking down objectives. If you follow these simple suggestions, you will do well anyway.
To truly master Sivir to work well with Gwen during both the early game and mid / late game phases of League rounds, you should continue reading to learn a few extra lessons on this champion pairing. If you listen to the build and tips presented above, you will grow your win rate significantly.
The most crucial items to include in your Sivir and Gwen synergy build include Phantom Dancer, Kraken Slayer, and Navori Quickblades. When Sivir incorporated at least these three finished items in her build, she did much better when fighting alongside Gwen than with most other common builds. In fact, Sivir boasted an average winrate of 47.3% when playing alongside Gwen with this build.
To have the highest probability of crushing your oponents, you should use the Lethal Tempo, Presence of Mind, Legend: Bloodline, Coup de Grace, Biscuit Delivery, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune builds players used for Sivir and Gwen pairings, this order of runes yielded the highest win rate. Notably, these runes averaged a 47.3% winrate overall.
By default, tips, statistics, and builds on how to pair Gwen with Sivir are displayed for all ranked divisions combined. If you would like to scope the stats and builds to a specific rank, you can use the selection menu at the top of this page.