Be wary of Heimerdinger's Upgrade!!!, as he can use it to find an answer to most trouble he gets into. Once his ultimate is down, go in for the kill!
It's better to destroy all of Heimerdinger's turrets at once with the help of creeps than to fight them one at a time.
The stats provided here underscore some significant Sett versus Heimerdinger counter stats that may help us distinguish the distinctions between the pair. For instance, Sett’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Heimerdinger’s ratio of NaN, indicating that Sett may be more central to his team's team fighting capability than Heimerdinger..
Sett often has a similar longest kill spree as his opponent does. Commonly, he receives more damage than Heimerdinger. This often reflects differing health capacities; however, it can also indicate that the one champ has less mobility and thus is not able to flee from further harm when poked or engaged.
Both League champions are great champions. Both have their pros and cons. In the game's current meta, Sett usually wins when trying to fight Heimerdinger, with a 51.3% win rate. Therefore, Sett makes a good counter for Heimerdinger.
While Sett does have a higher win rate compared to Heimerdinger, when they face off with one another, Sett also has a much lower learning curve that makes him a less complex champion to pick up and master. You still need to be cautious when picking Sett into Heimerdinger.
Moreover, Sett has almost no amount of CC and other utility, a similar amount to Heimerdinger. This often makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion in League of Legends, in Sett vs Heimerdinger matchups, Sett is the better champion with a higher win rate, less champion complexity, and a similar amount of utility to help out your allied champions during late stage team fights.
Sett is a decent counter to Heimerdinger. Make sure you focus your tactics on maximizing your gold income and taking out objectives. If you do that, you should be able to stand on your own as Sett against Heimerdinger.
To truly master Sett in order to counter Heimerdinger during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra tips and tricks for this matchup. If you listen to the build and stats shown above, you should increase your win rate by a lot and be closer to League of Legends pro players.
Sett typically accumulates a similar amount of CS compared to Heimerdinger. Champions who on average don't take many minion kills usualy don't have to have much CS to be effective, such as supports. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually have to have many items to be effective. In either situation, try to do better than the values shown on this page to do well.
The ideal items to prioritize in your Sett versus Heimerdinger build include Titanic Hydra, Sundered Sky, and Stridebreaker. When Sett incorporated at least these three pieces in his build, he did a lot better vs Heimerdinger than with most other commonly used counter builds. In fact, Sett had an average winrate of 51.3% when playing against Heimerdinger with this counter build.
To have the best likelihood of defeating Heimerdinger as Sett, you should equip the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Second Wind, and Unflinching runes from the Precision and Resolve rune sets. Of all the rune combinations players chose for Sett vs Heimerdinger matchups, this blending of runes resulted in the best win rate. Moreover, these runes gave a 51.3% win rate overall.
By default, tips, stats, and builds on how to beat Heimerdinger as Sett are displayed for all skill levels combined. If you want to narrow the statistics and builds to a specific skill level, you should use the selection menu earlier on the page.