Using Rupture on creeps in combination with Carnivore is a good way to gain Health and Mana.
If you're having difficulty feasting upon champions, try eating minions until you're larger.
Try to line up your attacks with Vorpal Spikes so that they kill minions and harass enemy champions at the same time.
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.
The Cho'Gath Kassadin synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kassadin, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Cho'Gath sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Kassadin. His KDA decreased from NaN to NaN. This drop shows that Kassadin helps Cho'Gath perform worse in ranked League of Legends rounds. Yet, the small difference demonstrates that this performance change is not very impactful.
When Cho'Gath plays on the same team as Kassadin, he observes a little drop in his total damage dealt. This could signal that Kassadin doesn't help protection for him to deal more damage or that his support also helps increase the match's duration. Similarly, when Cho'Gath is played alongside Kassadin on the same team, he usually scores many fewer killing sprees compared to when he plays on his own. This is contrasting evidence that he is worse when playing with Kassadin.
Additionally, when Cho'Gath plays with Kassadin on the same team, he on average takes a little less damage than when he plays alone. Taking not as much damage could mean that Kassadin does a decent job of covering Cho'Gath in team fights.
There is no universally accepted best ally for Cho'Gath that will no matter what be his ideal synergy. Yet, overall, Kassadin is a pretty good ally for Cho'Gath. By locking into the same side as Cho'Gath, he raises their win rate by 2.4% to 51.9%. This shows that there is a somewhat important bond between Cho'Gath and Kassadin that results in them performing better together than without each other.
Kassadin has a greater difficulty than Cho'Gath. That means Cho'Gath players must be cautious when arranging Kassadin teammates to fight alongside, as they will require a greater level of skill to fight well with you.
When playing cooperatively, you should expect to see an overall large increase in your team’s capability to deal magical damage. When paired, these champions can deal quite a lot of AP type damage.
In contrast, by bringing Cho'Gath and Kassadin together, you probably will not be granting your team enough attack damage. Make sure to include other champions on your team that fills this disparity in their capabilities.
Regardless of the skill of your Kassadin ally, you need to focus on increasing your income, staying alive by avoiding foolish fights, and taking down objectives. If you heed this simple advice, you will do well, regardless.
If you would like to truly master Cho'Gath in order to synergize with Kassadin during both the lane and mid / late game phases of League games, you should continue reading to learn some more lessons on this champion pairing. If you mind the build and suggestions shown above, you should grow your win rate significantly.
The most important items to get in your Cho'Gath and Kassadin synergy build include Sunfire Aegis, Thornmail, and Heartsteel. When Cho'Gath incorporated at least these three pieces in his build, he did significantly better when paired up with Kassadin than with most other common item sets. In fact, Cho'Gath boasted an average win rate of 51.9% helping carry Kassadin with this build.
To have the highest probability of beating your oponents, Cho'Gath players should equip the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Legend: Tenacity, and Triumph runes from the Resolve and Precision rune sets. Out of all the rune combinations players used for this team composition, this order of runes resulted in the greatest win rate. Moreover, these runes gave a 51.9% winrate overall.
If you need to view Cho'Gath and Kassadin synergy tips and stats for a a specific skill level, feel free to select one from the selection menu provided above. By default, the statistics and tips and suggestions given are calculated using every round played with both champions.