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.
The Rell Sivir synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Sivir, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Rell sees a large worsening in her KDA (ratio of kills and assists to deaths) when paired with Sivir. His KDA decreased from NaN to NaN. This negative change shows that Sivir helps Rell perform not as well in competitive LoL games. Yet, the small difference shows that this performance change is not very impactful.
When Rell tries to synergize with Sivir, she gets a small increase in her full damage output. This difference may indicate that Sivir provides cover for her to deal more damage or that her participation also helps extend the round's duration. Similarly, when Rell is played together with Sivir on the same team, he usually scores many fewer killing sprees compared to when she plays without Sivir. This is contrasting evidence that she is worse when playing synergisticly with Sivir.
Additionally, when Rell plays with Sivir on the same team, she typically takes a little more damage than when she plays alone. Receiving more damage could mean that Sivir does a poor job of covering Rell during teamfights.
There is no top ally for Rell that will always be her ideal ally. However, Sivir is a very typical ally for Rell. By playing on the same side as Rell, she improves their win rate by 0.7% to 50.0%. This clearly indicates that there is only a small strategic relationship between Rell and Sivir that results in them performing better together than without each other.
Sivir has a much greater difficulty compared to Rell. That means you need to be cautious when lining up Sivir comrades to go into battle on the same side as, as they will have to have a much higher level of skill to cooperate well with you.
Fighting on the same side, Rell players will likely witness an overall large increase in your team’s capability to provide a lot of utility for your team. When paired, these two may be able to carry with the power of their abilities.
Although, by aligning Rell and Sivir together, you probably will not be giving your other allies a great deal of magical damage output. Plan to have other champs on your team that fills this disparity in their potential.
Regardless of the skill of your Sivir ally, you need to focus on maximizing your gold income, outlasting your enemies, and clearing objectives. If you heed this simple advice, you should do well, regardless.
If you would like to learn all of the intricacies of Rell in order to work well with Sivir during both the lane and mid / late game phases of LoL games, you should continue reading to gather a few extra tips and tricks for this champion pairing. If you mind the build and stats displayed above, you will increase your win rate by a lot.
The most important items to prioritize in your Rell and Sivir synergy build include Trailblazer, Zeke's Convergence, and Solstice Sleigh. When Rell combined at least these three pieces in her build, she performed much better when paired up with Sivir than with most other common builds. In fact, Rell had an average winrate of 50.0% helping carry Sivir with these items in her kit.
To have the highest likelihood of vanquishing your oponents, Rell players should equip the Glacial Augment, Hextech Flashtraption, Biscuit Delivery, Cosmic Insight, Bone Plating, and Unflinching runes from the Inspiration and Resolve rune sets. Out of all the rune sets players used for this champion pairing, this mixture of runes resulted in the greatest win rate. In fact, these runes provided a 50.0% win rate overall.
By default, tips, stats, and builds on how to synergize Sivir with Rell are given for all skill levels combined. If you want to scope the statistics and builds to an individual division, you may use the selection menu earlier in the counter matchup guide.