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.
Intentionally breaking a wall of The Box can allow a vulnerable ally to escape unscathed.
Thresh's Death Sentence has a long cast time. Watch for the cast to begin to take evasive actions.
Thresh relies on collecting souls for a portion of his defense and damage. Try punishing him when he moves to collect them.
The stat comparisons provided here show some important Sivir against Thresh counter statistics that can help us interpret the differences and similarities between the two. Sivir’s KDA ratio ([kills + assists] / deaths) of NaN is better than Thresh’s ratio of NaN, indicating that Sivir may be more central to her team's team fighting capacity than Thresh. This observation is largely caused by the difference in kills.
Sivir usually has a much larger longest kill spree than her opponent does. Commonly, she takes a similar amount of damage to Thresh. This commonly reflects different amounts of tankyness, yet it can also illustrate that the one champion has less agility and thus is not able to escape additional damage when engaged or poked.
Both League champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Sivir usually fairs equally well when taking on Thresh, with a 50.5% win rate. Thus, Sivir makes an ok counter to Thresh.
While Sivir does have a higher win rate compared to Thresh, when they face off with one another, Sivir also has a lower learning curve that makes her a less complex champ to pick up and master. You should be careful when picking Sivir into Thresh.
Additionally, Sivir has almost no amount of CC and other utility, a similar amount to Thresh. This makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there is not a single best champion in League of Legends, in Sivir vs Thresh matchups, Sivir is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.
Sivir is a decent counter for Thresh. Focus your strategy on increasing your gold income and taking out objectives. If you can do that, you should hold your own as Sivir against Thresh.
If you would like to learn all of the intricacies of Sivir in order to counter Thresh during both the laning and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you listen to the build and stats displayed here, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Sivir usually gets much more CS compared to Thresh. Champs who typically don't earn many minion kills usualy don't need much CS to be effective, such as sup champs. They are capable of scaling properly off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually need several high cost items to be effective. In either situation, try to do better than the values shown here to do well.
The top items to have in your Sivir versus Thresh build consist of Lord Dominik's Regards, Bloodthirster, and Navori Quickblades. When Sivir used at least these three items in her build, she did much better against Thresh than with most other commonly used item sets. In fact, Sivir had an average winrate of 50.5% when playing against Thresh with this build.
To have the best chance of vanquishing Thresh as Sivir, 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 rune combinations players used for Sivir vs Thresh face-offs, this mixture of runes resulted in the best win rate. In fact, these runes averaged a 50.5% win rate overall.
By default, tips, statistics, and builds on how to beat Thresh as Sivir are presented for every ranked division. If you would like to scope the stats and builds to an individual player tier, you can use the selection menu at the top of this page.