Roar of the Slayer is a great setup ability to land a very powerful Decimating Smash.
The Soul Furnace buff displays how much shield strength is remaining, use this information to time its explosion perfectly.
You only have very slight turning ability during Unstoppable Onslaught, so make sure to use it in straight paths.
It takes 6 spell casts for Kassadin's slow, Force Pulse, to become castable. If he levels up that ability, judiciously use your own skills while laning against him.
Kassadin deals mostly magic damage. If he's doing well consider buying magic resist items like Mercury's Treads and Banshee's Veil.
Each time Kassadin consecutively uses Riftwalk, he pays more and more mana. Keep this in mind as you chase him.
The stat comparisons provided here underscore some valuable Sion vs. Kassadin matchup statistics that may help you distinguish the differences and similarities between this set of champs. As an example, Sion’s KDA ratio ([kills + assists] / deaths) of NaN is better than Kassadin’s KDA ratio of NaN, indicating that Sion may be more central to his team's team fighting potential than Kassadin..
Sion typically has a significantly smaller longest killing spree than his enemy does. Typically, he takes more damage than Kassadin. This commonly reflects differing health capacities, but it can also imply that the champion with higher HP has less mobility and thus is not able to flee from further harm when poked or engaged.
Both League champions are great champions. Both have their pros and cons. In League's current meta, Sion usually loses when facing off against Kassadin, with a 48.8% win rate. Therefore, Sion makes a bad counter for Kassadin.
While Sion does have a lower win rate compared to Kassadin, when facing one another, Sion also has a lower difficulty level that makes him a less time consuming champ to develop with. You should be careful when picking Sion into Kassadin.
Additionally, Sion has a good amount of CC and other utility, a similar amount to Kassadin. This makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there isn't one best champion for every situation in League of Legends, in Sion vs Kassadin matchups, Kassadin is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Sion is a somewhat poor counter to Kassadin. Focus your play on maximizing your gold income and destroying objectives. If you do that, you should do very well as Sion against Kassadin.
To learn all of the intricacies of Sion to counter Kassadin during both the lane and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tricks and insights into this matchup. If you listen to the build and suggestions shown here, you will increase your win rate by a lot and be closer to League of Legends pro players.
Sion most often picks up a similar amount of CS relative to Kassadin. Champions who on average don't earn many minion kills usualy don't require much CS to be valuable teammates, such as support champions. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually require a lot of items to be effective. In either case, try to do better than the values displayed here to do well.
The best items to focus on in your Sion versus Kassadin build include Heartsteel, Titanic Hydra, and Hollow Radiance. When Sion incorporated at least these three items in his build, he performed much better when fighting Kassadin than with most other common counter builds. In fact, Sion boasted an average winrate of 48.8% when countering Kassadin with this counter build.
To have the greatest chance of defeating Kassadin as Sion, you should use the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Minion Dematerializer, and Approach Velocity runes from the Resolve and Inspiration rune sets. Out of all the rune combinations that we analyzed for Sion vs Kassadin counter picks, this mixture of runes yielded the highest win rate. Moreover, these runes provided a 48.8% winrate overall.
If you want to get Sion vs Kassadin tips and builds for a an individual division rank, feel free to choose one from the selection menu above. At first, the statistics and strategies displayed are calculated using all rounds finished with these champs.