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.
Make sure to take paths through brush when chasing opponents to take advantage of Rengar's passive.
Use Rengar's ultimate to find and assassinate high priority targets in team fights and skirmishes.
A lot of Rengar's power comes from empowered abilities he uses at the right moment - choose wisely!
The Sivir Rengar synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Rengar, 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 large worsening in her KDA (ratio of kills and assists to deaths) when paired with Rengar. His KDA fell from NaN to NaN. This worsening shows that Rengar helps Sivir perform poorer in competitive League rounds. Yet, the small difference shows that this performance change is only marginal.
When Sivir is paired with Rengar, she observes a small increase in her complete damage dealt. This change may demonstrate that Rengar helps provide cover for her to deal more damage or that his allyship also helps increase the round's duration. Similarly, when Sivir is played together with Rengar 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 synergisticly with Rengar.
Moreover, when Sivir plays with Rengar on the same side, she typically takes a little less damage than when she fights alone. Taking not as much damage may indicate that Rengar does a decent job of protecting Sivir in teamfights.
There is no top synergy for Sivir that will always be her ideal teammate. Yet, overall, Rengar is a very typical teammate for Sivir. By playing on the same side as Sivir, he decreases their win rate by -0.5% to 47.4%. This clearly indicates that there is not really a strong synergy between Sivir and Rengar that results in them performing not as well together than without each other.
Rengar has a much greater difficulty compared to Sivir. That means you need to be cautious when arranging Rengar allies to play with, as they will need a much higher level of skill to be able to do well with you.
Working alongside, Sivir players should expect to see an overall large increase in your team’s ability to deal physical damage. When paired, these champs should be able to take down targets with auto-attacks and other AD damage abilities.
In contrast, by grouping Sivir and Rengar together, you may not be providing your other teammates a lot of magical damage output. We recommend you have other champs on your team that nullifies this disparity in their potential.
Regardless of your Rengar ally's skill level, you should focus on increasing your income, outlasting your enemies, and clearing objectives. If you follow these simple suggestions, you will do well anyway.
If you would like to truly master Sivir in order to synergize with Rengar during both the lane and mid / late game phases of League of Legends games, you should keep reading to pick up some more tricks and insights into this champion pairing. If you use the build and suggestions displayed above, you will grow your win rate by a lot.
The top finished items to use in your Sivir and Rengar synergy build consist of Bloodthirster, Kraken Slayer, and Navori Quickblades. When Sivir used at least these three finished items in her build, she performed significantly better when paired up with Rengar than with many other commonly used builds. In fact, Sivir boasted an average win rate of 47.4% helping carry Rengar with this build.
To have the greatest chance of annihilating your oponents, Sivir players should use the Lethal Tempo, Presence of Mind, Legend: Bloodline, Coup de Grace, Absolute Focus, and Gathering Storm runes from the Precision and Sorcery rune sets. Out of all the runes players chose for this team composition, this composite of runes resulted in the top win rate. Notably, these runes provided a 47.4% win rate overall.
If you would like to see Sivir and Rengar synergy tips and stats for a an individual player tier, feel free to choose one from the selection menu provided above. If viewing for the first time, the statistics and strategies given are calculated using every round played with these champs.