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.
Hitting multiple champions with the same ability can help quickly activate Darkness Rise.
Offense is your defense. Keep fighting to build up larger Indestructible shields.
Use Realm of Death on a low health enemy to guarantee the kill and keep their stats for the rest of a teamfight.
The Sivir Mordekaiser synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Mordekaiser, 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 Mordekaiser. His KDA worsened from NaN to NaN. This drop shows that Mordekaiser helps Sivir perform worse in competitive LoL games. Yet, the small difference shows that this performance change is not very impactful.
When Sivir tries to synergize with Mordekaiser, she observes a little increase in her full damage dealt. This change may demonstrate that Mordekaiser supports by providing cover for her to dish out more damage or that his support also helps increase the game's duration. Similarly, when Sivir is played alongside Mordekaiser on the same team, he usually scores many fewer killing sprees than when she plays without Mordekaiser. This is contrasting evidence that she is worse when playing synergisticly with Mordekaiser.
Moreover, when Sivir plays with Mordekaiser on the same side, she typically takes a little more damage than when she plays alone. Taking more damage may mean that Mordekaiser does a poor job of protecting Sivir during teamfights.
There is no one best champion pairing for Sivir that will always be her top ally. However, Mordekaiser is a superb ally for Sivir. By locking into the same side as Sivir, he increases their win rate by 4.1% to 52.0%. This signals that there is a very real synergy between Sivir and Mordekaiser that results in them performing at the top of their game together than alone.
Mordekaiser has a lower difficulty than Sivir. That means you don't need to be very careful when finding Mordekaiser comrades to play with, as they will need a relatively low level of skill to work well with you.
When playing cooperatively, you will likely observe an overall large increase in your team’s capacity to deal physical damage. When paired, these champs can provide a great amount of sustained physical damage.
Although, by grouping Sivir and Mordekaiser together, you probably will not be granting your other allies much support. Plan to pick other champs on your team that nullifies this relative disparity in this pairing's abilities.
Regardless of the skill of your Mordekaiser teammate, you need to focus on increasing your gold income, outlasting your enemies, and clearing objectives. If you do this, you will do well, regardless.
If you would like to learn all of the intricacies of Sivir in order to work well with Mordekaiser during both the lane and mid / late game phases of League rounds, you should keep reading to pick up some more tips and tricks for this champion pairing. If you listen to the build and stats shown above, you should increase your win rate by a lot.
The best items to use in your Sivir and Mordekaiser synergy build include Phantom Dancer, Bloodthirster, and Navori Quickblades. When Sivir included at least these three finished items in her build, she performed a lot better as an ally of Mordekaiser than with most other common builds. In fact, Sivir boasted an average win rate of 52.0% when playing alongside Mordekaiser with these items in her kit.
To have the greatest probability of coming out on top against your oponents, Sivir players 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 picked for Sivir and Mordekaiser pairings, this composite of runes resulted in the highest win rate. Moreover, these runes provided a 52.0% winrate overall.
If you want to get Sivir and Mordekaiser synergy tips and builds for a a particular player tier, feel free to choose one from the selection menu shown above. At first, the statistics and build suggestions shown are calculated using all rounds run with these champions.