Thanks to Kassadin's K/D/A and utility, he has a fairly average overall win rate. He does very well in the mid game, with a winrate of 52.8% in that phase. Unfortunately, he does terribly in the early game, where Kassadin's win rate is 43.9%., The difference between his best and worst game phases is a large 8.9%. This sizeable difference indicates that his power spikes and wanes in different parts of the match. Plan accordingly.
In the current meta, Kassadin is not very popular. He has been used in only 2.8% of recently ranked matches. He is rarely banned during champion select. Obviously, very few players see him as a significant threat. In the latest ranked games, Kassadin was banned 2.6% of the time.
Kassadin is most commonly played in the middle position. This happens in 97,4% of his games. Middle Kassadin also has the highest win rate (50,1%) of all positions. At this time, Kassadin's meta game is centered around dealing damage. In particular, his build should primarily be focused on magical damage. Additionally, he is a pretty good tank champion. Dealing physical damage is the least important part of Kassadin’s build.
You should anticipate having to spend a significant amount of time practicing and learning to get good with Kassadin. Many League of Legends gamers believe he is a tough champion to master. Kassadin mostly causes magic damage (90% of his total damage). He doesn't deal a lot of other damage types and should not be played as hybrid damage dealer..
Kassadin deals tons of damage over the course of a typical round (22.572 damage). You should focus on building him as a damage dealing champ to crush your opponents.
If you are looking for a dominating damage dealer, then you should definitely consider this champ. He has one of the absolute best kill counts on the Rift among all champs. Moreover, he has a somewhat typical death total with an average of 5.6 deaths per LoL match. Additionally, Kassadin's KDA is usually high with an average KDA ratio of 2.4 as well as 5.7 assists per round.
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