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.
Staying behind creeps can prevent you from being Rocket Grabbed. Blitzcrank's Rocket Grab only pulls the first enemy target it encounters.
Blitzcrank's passive Mana Barrier grants him a shield when he is low on health.
The stats shown here highlight several critical Cassiopeia against Blitzcrank counter stats that can help us distinguish the distinctions between this pair of champs. For instance, Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is more than Blitzcrank’s KDA ratio of NaN, indicating that Cassiopeia may be more central to her team's team fighting capability than Blitzcrank. This observation is in large part caused by the difference in kills.
Cassiopeia often has a much larger longest kill spree than her foe does. On average, she receives more damage than Blitzcrank. This is usually reflective of differing health capacities; however, it can also illustrate that the champion with more health has less mobility and thus is unable to kite away from further harm when engaged or poked.
Both LoL champs are great champions. Both have their strengths, weaknesses, and counters. In League's current meta, Cassiopeia usually loses when facing off against Blitzcrank, with a 47.6% win rate. As a result, Cassiopeia makes a bad counter to Blitzcrank.
While Cassiopeia does have a lower winrate than Blitzcrank, when on opposite teams, Cassiopeia also has a much greater learning curve that makes her a more challenging champion to learn. You may get destroyed when picking Cassiopeia into Blitzcrankas her relative depth means you may not be able to reach her full potential without a significant amount of practice beforehand.
Furthermore, Cassiopeia has a good amount of CC and other utility, a similar amount to Blitzcrank. This makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there isn't a single best champion in League of Legends, in Cassiopeia vs Blitzcrank matchups, Blitzcrank is the better champ with a lower win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Cassiopeia is a terribly counter for Blitzcrank. You will do well by focussing your gameplay on increasing your gold income and destroying objectives. If you can do that, you should hold your own as Cassiopeia against Blitzcrank.
If you would like to learn all of the intricacies of Cassiopeia in order to counter Blitzcrank during both the lane 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 shown above, you will increase your win rate significantly and be closer to League of Legends pro players.
Cassiopeia typically racks up much more CS as Blitzcrank. Champs who on average don't earn many minion kills typically don't have to have much CS to be effective, such as sup champs. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically require many items to be effective. In either case, try to do better than the values reported on this page to do well.
The best items to have in your Cassiopeia versus Blitzcrank build include Rylai's Crystal Scepter, Liandry's Torment, and Rod of Ages. When Cassiopeia used at least these three pieces in her build, she did a lot better versus Blitzcrank than with many other commonly used builds. In fact, Cassiopeia boasted an average winrate of 47.6% when playing against Blitzcrank with this counter build.
To have the best probability of vanquishing Blitzcrank as Cassiopeia, you should use the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Of all the rune builds players chose for Cassiopeia vs Blitzcrank fights, this order of runes yielded the best win rate. Moreover, these runes gave a 47.6% winrate overall.
By default, tips, stats, and builds on how to beat Blitzcrank as Cassiopeia are given for every ranked division. If you would like to narrow the stats and builds to a particular player tier, you can use the selection menu earlier on the page.