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.
Last Breath can be cast on any target that is knocked Airborne, even by one of your allies.
Dash through a minion to have Sweeping Blade available to chase your opponent should they flee; Dash directly to your opponent to preserve a minion as your escape route.
At level 18, Yasuo's Steel Tempest reaches its Attack Speed cap with 55% Attack Speed from items.
The Kassadin Yasuo synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Yasuo, 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 large worsening in his KDA (ratio of kills and assists to deaths) when paired with Yasuo. His KDA decreased from NaN to NaN. This negative change shows that Yasuo helps Kassadin perform not as well in competitive LoL rounds. Yet, the small difference shows that this performance change is only marginal.
When Kassadin is an ally to Yasuo, he sees a marginal improvement in his total damage dealt. This change may indicate that Yasuo helps provide protection for him to dish out more damage or that his participation also helps increase the round's duration. Similarly, when Kassadin is played with Yasuo on the same side, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing with Yasuo.
Moreover, when Kassadin plays with Yasuo on the same team, he often receives a little less damage than when he plays alone. Taking not as much damage may mean that Yasuo does a decent job of protecting Kassadin in team fights.
There is no top synergy for Kassadin that will 100% of the time be his best teammate. However, Yasuo is a below average ally for Kassadin. By locking into the same team as Kassadin, he drops their win rate by -1.2% to 48.8%. This proves that there is a harmful bond between Kassadin and Yasuo that allows them to perform worse together than alone.
Yasuo has a greater difficulty than Kassadin. That means you must be careful when arranging Yasuo comrades to go into battle on the same side as, as they will need a greater level of skill to do well with you.
Fighting cooperatively, you will likely witness an overall large increase in your team’s capacity to deal magic damage. When paired, these champs can deal quite a lot of AP type damage.
Conversely, by grouping Kassadin and Yasuo together, you will not be providing your other allies a lot of support. Plan to bring other champs on your team that helps cover this hole in their kit.
Regardless of your Yasuo ally's ability, you need to focus on maximizing your gold income, staying alive by avoiding foolish fights, and clearing objectives. If you do this, you should do well anyway.
If you would like to learn all of the intricacies of Kassadin to work well with Yasuo during both the early game and mid / late game phases of LoL rounds, you should continue reading to gather some more lessons on this champion pairing. If you mind the build and stats presented here, you should increase your win rate significantly.
The ideal finished items to include in your Kassadin and Yasuo synergy build include Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin incorporated at least these three finished items in his build, he performed much better when fighting alongside Yasuo than with most other common item sets. In fact, Kassadin boasted an average win rate of 48.8% when synergizing his build and playstyle to Yasuo with these items in his kit.
To have the greatest chance of beating your oponents, you 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 best win rate. Notably, these runes gave a 48.8% winrate overall.
If you want to see Kassadin with Yasuo cooperations tips and builds for a a specific player tier, feel free to choose one from the selection menu displayed above. At first, the statistics and guides given are calculated using every game finished with both champs.