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.
Rammus often stacks high Armor, leaving him especially vulnerable to caster damage while not in Defensive Ball Curl.
Pay particular attention to when his Defensive Ball Curl is off. Rammus has much lower stats than a normal tank when he's out of the stance.
The stats shown on this page underscore several important Cassiopeia against Rammus matchup statistics that may help us figure out the distinctions between the two. As an example, Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is more than Rammus’s KDA ratio of NaN, highlighting that Cassiopeia may be more central to her team's team fighting effectiveness than Rammus. This observation is in large part caused by the difference in kills.
Cassiopeia usually has a slightly larger longest kill spree than her opponent does. Typically, she takes less damage than Rammus. This is usually reflective of different amounts of tankyness; however, it can also show that the champion with increased HP has less mobility and thus is not able to kite away from further harm when poked or engaged.
Both League of Legends champions are great champions. Both have their pros and cons. In the game's current meta, Cassiopeia usually wins when trying to fight Rammus, with a 52.6% win rate. Thus, Cassiopeia makes a good counter for Rammus.
While Cassiopeia does have a higher win rate than Rammus, when on opposite teams, Cassiopeia also has a much greater level of difficulty that makes her a more difficult champ to learn and master. You don't need to be too worried when picking Cassiopeia into Rammusas her relative depth means that you may not be able to unleash her full potential without a significant amount of practice beforehand.
Furthermore, Cassiopeia has a good amount of utility and CC, a similar amount to Rammus. This often 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 Rammus matchups, Cassiopeia is the better champ with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your teammates during late stage team fights.
Cassiopeia is an above average counter for Rammus. You will do well by focussing your tactics on increasing your gold income and clearing objectives. If you are able to do that, you should hold your own as Cassiopeia against Rammus.
If you would like to learn all of the intricacies of Cassiopeia in order to counter Rammus during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you listen to the build and suggestions displayed here, you will grow your win rate by a lot and be closer to League of Legends pro players.
Cassiopeia often picks up much more CS relative to Rammus. Champions who typically don't acquire many minion kills often don't require much CS to be effective, such as sup champs. They are capable of scaling properly off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often require several high cost items to be effective. In either situation, try to surpass the values displayed on this page to do well.
The most important items to focus on in your Cassiopeia versus Rammus build consist of Seraph's Embrace, Rylai's Crystal Scepter, and Cosmic Drive. When Cassiopeia bought at least these three pieces in her build, she performed a lot better vs. Rammus than with many other common item sets. In fact, Cassiopeia boasted an average win rate of 52.6% when countering Rammus with these items in her kit.
To have the best likelihood of annihilating Rammus as Cassiopeia, Cassiopeia players should take 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 builds players picked for Cassiopeia vs Rammus matchups, this mix of runes yielded the best win rate. Moreover, these runes averaged a 52.6% winrate overall.
By default, tips, statistics, and builds on how to beat Rammus as Cassiopeia are shown for all skill levels, merged. To filter the statistics and builds to a distinct division, you can use the selection menu above.