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.
Killing Tentacles whenever possible will make it much easier to win a fight against Illaoi.
When your spirit gets pulled out, fight back if you can. Dealing damage to Illaoi reduces the spirit's duration.
Avoid grouping up for Leap of Faith to reduce the number of Tentacles available to Illaoi.
The stats shown on this page highlight several vital Sivir against Illaoi counter stats that can help you distinguish the differences and similarities between the two. As an example, Sivir’s KDA ratio ([kills + assists] / deaths) of NaN is better than Illaoi’s KDA ratio of NaN, highlighting that Sivir may be more central to her team's team fighting effectiveness than Illaoi..
Sivir typically has a similar longest kill spree as her opponent does. Typically, she receives less damage than Illaoi. This commonly reflects different amounts of tankyness; however, it can also indicate that the champ with more HP has less mobility and thus is not able to flee from additional harm when poked or engaged.
Both League of Legends champs are great. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Sivir usually loses when taking on Illaoi, with a 48.9% win rate. As a result, Sivir makes a bad counter to Illaoi.
While Sivir does have a lower win rate compared to Illaoi, when facing one another, Sivir also has a greater learning curve that makes her a more complex champ to learn. You still need to be cautious when picking Sivir into Illaoi.
Furthermore, Sivir has only a small amount of utility and CC, a similar amount to Illaoi. This makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Sivir vs Illaoi matchups, Illaoi is the better champion with a lower win rate, similar champion depth, and a similar amount of utility to help out your allies during team fights.
Sivir is a somewhat poor counter for Illaoi. Focus your strategy on increasing your gold income and destroying objectives. If you do that, you should be able to stand on your own as Sivir against Illaoi.
To truly master Sivir to counter Illaoi during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you listen to the build and suggestions presented above, you should increase your win rate by a lot and be that much closer to League of Legends pro players.
Sivir most often gets a similar amount of CS compared to Illaoi. Champions who on average don't earn much CS usualy don't have to have much CS to be valuable teammates, such as sup champs. They are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often need several high cost items to be effective. In either case, try to surpass the numbers displayed on this page to do well.
The best items to focus on in your Sivir versus Illaoi build consist of Phantom Dancer, Kraken Slayer, and Navori Quickblades. When Sivir included at least these three pieces in her build, she did a lot better when facing Illaoi than with many other commonly used builds. In fact, Sivir had an average winrate of 48.9% when countering Illaoi with this build.
To have the greatest chance of defeating Illaoi as Sivir, Sivir players should take 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 runes players used for Sivir vs Illaoi LoL games, this combination of runes yielded the best win rate. Notably, these runes gave a 48.9% winrate overall.
If you need to see Sivir x Illaoi tips and builds for a a distinct skill level, please choose one from the selection menu shown above. At first, the stats and strategies shown are computed using all games run with both champions.