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.
Try to stay away from walls. Ornn is much less strong if he cannot stun you.
Attack Ornn to keep him from creating items in lane.
The stats provided here emphasize some significant Sivir versus Ornn matchup statistics that can help us grasp the differences between this pair of champions. Sivir’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Ornn’s KDA ratio of NaN, showing that Sivir may be more central to her team's team fighting potential than Ornn..
Sivir normally has a slightly larger longest kill spree than her matchup does. On average, she takes less damage than Ornn. This often reflects different amounts of tankyness; however, it can also show that the champ with more HP has less agility and thus is not able to escape additional damage when engaged or poked.
Both League of Legends champs are great champions. Both champs have their pros and cons. In League's current meta, Sivir usually loses when playing against Ornn, with a 48.5% win rate. Thus, Sivir makes a bad counter for Ornn.
While Sivir does have a lower win rate compared to Ornn, when on opposite teams, Sivir also has a lower difficulty level that makes her a less time consuming champ to pick up and master. You should be careful when picking Sivir into Ornn.
Moreover, Sivir also has almost no amount of CC and other utility, a similar amount to Ornn. This makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there is not a single best champion overall in League of Legends, in Sivir vs Ornn matchups, Ornn is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Sivir is a somewhat poor counter to Ornn. Make sure you focus your play on keeping up your CS and clearing objectives. If you are able to do that, you should be able to stand on your own as Sivir against Ornn.
If you would like to learn all of the intricacies of Sivir to counter Ornn during both the early game and mid / late game phases of League of Legends, you should keep reading to gather a few extra tips and tricks for this matchup. If you pay attention to the build and tips shown here, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Sivir typically accumulates a similar amount of CS as Ornn. Champs who typically don't acquire many minion kills typically don't require much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually require many items to be effective. In either case, try to surpass the numbers shown here to do well.
The most crucial items to have in your Sivir versus Ornn build consist of Phantom Dancer, Kraken Slayer, and Navori Quickblades. When Sivir bought at least these three pieces in her build, she performed significantly better versus Ornn than with most other commonly used builds. In fact, Sivir had an average winrate of 48.5% battling Ornn with this build.
To have the greatest chance of defeating Ornn as Sivir, you 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 rune builds that we analyzed for Sivir vs Ornn battles, this sequence of runes resulted in the best win rate. Moreover, these runes gave a 48.5% win rate overall.
By default, tips, statistics, and builds on how to beat Ornn as Sivir are shown for all skill levels, merged. If you would like to filter the stats and builds to a specific player tier, you can use the selection menu located earlier in the counter matchup guide.