Kassadin's ultimate has many uses and is on a shorter cooldown than most, use it often.
Kassadin has multiple item paths; he can go caster via Mana and Ability Power or anti-caster with Cooldown Reduction and Magic Resist.
Try to get the Ancient Golem buff to counteract Riftwalk's increasing Mana cost.
Powerball can be used as an effective escape mechanism.
Tremors and Defensive Ball Curl can be used late in the game to obliterate towers. If you're bogged down in a team fight, it is often valuable to break off and attack the buildings.
Using taunt on a champion by your tower can cause the tower to attack your enemy.
The Kassadin Rammus synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Rammus, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Kassadin sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Rammus. His KDA fell from NaN to NaN. This worsening shows that Rammus helps Kassadin perform poorer in ranked League rounds. Yet, the small difference proves that this performance change is not very impactful.
When Kassadin tries to synergize with Rammus, he gets a small increase in his full damage output. This change may indicate that Rammus provides protection for him to dish out more damage or that his support also helps extend the match's duration. Similarly, when Kassadin is played together with Rammus on the same team, he usually scores many fewer killing sprees compared to when he plays alone. This is contrasting evidence that he is worse when playing with Rammus.
Additionally, when Kassadin plays with Rammus on the same side, he typically receives a little more damage than when he plays alone. Getting dealt more damage could indicate that Rammus does a poor job of protecting Kassadin during team fights.
There is no perfect synergy for Kassadin that will 100% of the time be his top teammate. However, overall, Rammus is a very typical ally for Kassadin. By locking into the same team as Kassadin, he increases their win rate by 0.1% to 50.1%. This demonstrates that there is only a small bond between Kassadin and Rammus that results in them performing stronger together than without each other.
Rammus has a much lower diffuclty than Kassadin. That means Kassadin players don't need to be cautious when arranging Rammus allies to fight alongside, as they will require a much lower level of skill to be able to work well with you.
When playing on the same side, you will likely witness an overall large increase in your team’s ability to tank a lot of damage. Combined, these two will be a great protective duo.
Although, by bringing Kassadin and Rammus together, you will not be giving your other allies a great deal of anti-tank damage dealing potential. Make sure to include other champs on your team that offsets this gap in this pairing's capabilities.
Regardless of your Rammus ally's ability, you need to focus on maximizing your income, staying alive by avoiding foolish fights, and clearing objectives. If you do this, you will do well, regardless.
If you would like to truly master Kassadin to work well with Rammus during both the lane and mid / late game phases of League, you should continue reading to gather a few extra lessons on this champion pairing. If you listen to the build and suggestions presented above, you will increase your win rate significantly.
The most important items to have in your Kassadin and Rammus synergy build consist of Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin incorporated at least these three great items in his build, he performed much better when paired up with Rammus than with many other commonly used item sets. In fact, Kassadin had an average winrate of 50.1% when playing alongside Rammus with these items in his kit.
To have the highest chance of annihilating your oponents, Kassadin players should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Of all the rune sets that we analyzed for this champion pairing, this composite of runes resulted in the greatest win rate. In fact, these runes gave a 50.1% win rate overall.
If you would like to see Kassadin and Rammus collaboration tips and builds for a a specific rank, feel free to choose one from the selection menu displayed above. By default, the stats and build suggestions shown are computed using all games run with these champions.