Thanks to Jarvan IV'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 48.7% in that phase. Unfortunately, he does very poorly in the late game, where Jarvan IV's win rate is 47.2%., The difference between his best and worst game phases is only 1.5%. This small difference makes it clear that his relative power is stable throughout the entire round.
In the current meta, Jarvan IV is not very popular. He has been used in only 2.8% of recently ranked rounds. He is rarely banned during champion select. Obviously, very few players see him as a significant threat. In the latest ranked rounds, Jarvan IV was banned 1.2% of the time.
You can find him most often used in the jungle position. However, that is not the best position for him. The top win rate position for Jarvan IV is support (50,3%). Currently, Jarvan IV's meta game is focused on tanking. Specifically, his build should mostly be focused on shielding carries. Furthermore, he is an ok physical damage dealer champ. Dealing magical damage is the least critical part of Jarvan IV’s playstyle.
You should anticipate having to spend a decent amount of time practicing and learning to master Jarvan IV. Many League gamers believe he is an average difficulty champion to main. Jarvan IV mostly does physical damage (86% of his total damage). He doesn't deal a lot of other damage types and should not be played as hybrid damage dealer..
Jarvan IV deals a good amount of damage during a typical round (15.017 damage). You could focus on building him as a damage dealing champ to defeat your opponents.
He is an average damage dealer in the game with 5.6 kills on average each round. That is one of the highest kill rates amongst all jungles. Moreover, he has a somewhat typical death rate with an average of 6 deaths per League of Legends match. Additionally, Jarvan IV's KDA is usually very high with an average KDA ratio of 3.0 as well as 12.4 assists per round.
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