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.
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!
The stat comparisons shown on this page underscore some influential Senna versus Heimerdinger counter statistics that may help you interpret the differences and similarities between the pair. As an example, Senna’s KDA ratio ([kills + assists] / deaths) of NaN is better than Heimerdinger’s ratio of NaN, demonstrating that Senna may be more central to her team's team fighting capability than Heimerdinger. This observation is largely fueled by the differences in assists.
Senna often has a similar longest kill spree as her opponent does. Commonly, she receives a similar amount of damage to Heimerdinger. This commonly reflects differing health capacities; however, it can also illustrate that the one champ has less agility and thus is not able to kite away from further harm when poked or engaged.
Both League of Legends champs are great. Both have their strengths, weaknesses, and counters. In League's current meta, Senna usually loses when playing against Heimerdinger, with a 44.6% win rate. Therefore, Senna makes a bad counter to Heimerdinger.
While Senna does have a much lower win rate compared to Heimerdinger, when facing one another, Senna also has a lower difficulty level that makes her a less complex champion to learn and master. You should be very concerned when picking Senna into Heimerdingeras her relative depth means you may not be able to unleash her full potential without a lot of practice beforehand.
Additionally, Senna has a good amount of CC and other utility, a similar amount to Heimerdinger. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't one best champion overall in League of Legends, in Senna vs Heimerdinger matchups, Heimerdinger is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Senna is a terribly counter for Heimerdinger. Focus your actions on keeping up your gold income and destroying objectives. If you are able to do that, you should be able to stand on your own as Senna against Heimerdinger.
To truly master Senna to counter Heimerdinger during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra tricks and insights into this matchup. If you listen to the build and stats presented above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Senna most often picks up a lot less CS as Heimerdinger. Champs who on average don't get many minion kills typically don't have to have much CS to be valuable teammates, such as sup champs. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often have to have many items to be effective. In either case, try to surpass the numbers displayed here to do well.
The ideal items to focus on in your Senna versus Heimerdinger build consist of Eclipse, Rapid Firecannon, and Umbral Glaive. When Senna used at least these three items in her build, she performed a lot better versus Heimerdinger than with many other commonly used counter builds. In fact, Senna had an average win rate of 44.6% when playing against Heimerdinger with these items in her kit.
To have the best probability of crushing Heimerdinger as Senna, Senna players should take the Fleet Footwork, Presence of Mind, Legend: Alacrity, Cut Down, Biscuit Delivery, and Approach Velocity runes from the Precision and Inspiration rune sets. Out of all the rune sets that we analyzed for Senna vs Heimerdinger fights, this composite of runes resulted in the best win rate. In fact, these runes provided a 44.6% win rate overall.
By default, tips, stats, and builds on how to beat Heimerdinger as Senna are displayed for all skill levels, merged. If you would like to scope the stats and builds to a particular rank, you may use the selection menu earlier on the page.