Because of Kennen's K/D/A and utility, he has a somewhat poor overall win rate. He does best in the early game, with a winrate of 48.2% in that phase. Unfortunately, he does very poorly in the late game, where Kennen's winrate is 45.4%., The difference between his best and worst game phases is only 2.8%. This sizeable difference makes it clear that his power spikes and fades in different parts of the match. Prepare well.
In the current meta, Kennen is not very popular. He has been used in only 1.7% of recently ranked rounds. He is rarely banned during champ select. Obviously, very few players see him as a substantial threat. In the latest ranked matches, Kennen was banned 0.4% of the time.
You will find him typically played in the top position. However, that is not the best position for him. The highest win rate position for Kennen is support (50,6%). At this time, Kennen's meta game is focused on dealing damage. In particular, his build should primarily be centered around magical damage. Additionally, he is a pretty good physical damage dealer champion. Tanking is the least significant part of Kennen’s gameplay.
You should anticipate having to dedicate only a little bit of time practicing and learning to master Kennen. Many LoL players consider he is one of the most basic champion to main. Kennen mostly causes magic damage (85% of his total damage). He doesn't deal much of other damage types and should not be considered a hybrid damage dealer..
Kennen deals a lot of damage over the course of a normal game (21.209 damage). You should focus on building him as a damage dealing champ to defeat your opponents.
If you are looking for a dominating damage dealer, then you should maybe consider this champion. He has one of the top kill counts in League among other champs. Moreover, he has a somewhat typical death rate with an average of 5.6 deaths per LoL round. Additionally, Kennen has a low KDA ratio (1.9) with 5.5 assists.