Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum damage.
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 shown here show several valuable Cassiopeia vs. Heimerdinger matchup stats that can help us interpret the differences between these two champions. For instance, Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is more than Heimerdinger’s KDA ratio of NaN, demonstrating that Cassiopeia may be more central to her team's team fighting potential than Heimerdinger..
Cassiopeia typically has a slightly larger longest kill spree than her counter does. On average, she takes more damage than Heimerdinger. This often reflects different amounts of tankyness, but it can also illustrate that the champion with more health has less mobility and thus is unable to kite away from additional harm when engaged or poked.
Both LoL champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Cassiopeia usually loses when taking on Heimerdinger, with a 47.6% win rate. As a result, Cassiopeia makes a bad counter to Heimerdinger.
While Cassiopeia does have a lower winrate compared to Heimerdinger, when facing one another, Cassiopeia also has a greater difficulty level that makes her a more complex character to develop with. You may get destroyed when picking Cassiopeia into Heimerdingeras her relative depth means you may not be able to unleash her full potential without a lot of practice beforehand.
Additionally, Cassiopeia has a good amount of utility and CC, a similar amount to Heimerdinger. This makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there is not one best champion for every situation in League of Legends, in Cassiopeia vs Heimerdinger matchups, Heimerdinger is the better champ with a lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during team fights.
Cassiopeia is a trash counter for Heimerdinger. Focus your actions on maximizing your gold and cs and taking out objectives. If you can do that, you should do very well as Cassiopeia against Heimerdinger.
If you would like to truly master Cassiopeia to counter Heimerdinger during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this matchup. If you pay attention to the build and stats presented above, you should grow your win rate significantly and be closer to League of Legends pro players.
Cassiopeia typically accumulates a similar amount of CS relative to Heimerdinger. Champions who typically don't get much CS often don't have to have much CS to be valuable teammates, such as sup champs. These kinds of champions are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually require several high cost items to be effective. In either case, try to do better than the numbers reported here to do well.
The most important items to have in your Cassiopeia versus Heimerdinger build include Rylai's Crystal Scepter, Liandry's Torment, and Rod of Ages. When Cassiopeia bought at least these three pieces in her build, she performed much better when facing Heimerdinger than with many other typical item sets. In fact, Cassiopeia boasted an average win rate of 47.6% when playing against Heimerdinger with this counter build.
To have the highest chance of coming out on top against Heimerdinger as Cassiopeia, Cassiopeia players should equip the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Out of all the rune combinations players picked for Cassiopeia vs Heimerdinger face-offs, this combo of runes yielded the highest win rate. Moreover, these runes provided a 47.6% win rate overall.
If you need to get Cassiopeia versus Heimerdinger tips and builds for a a particular division, feel free to choose one from the selection menu provided above. By default, the statistics and build suggestions displayed are computed using all games finished with these champions.