Thanks to Janna's K/D/A and utility, she has a pretty good overall win rate. She does very well in the mid game, with a winrate of 51.45% in that phase. Unfortunately, she does poorest in the late game, where Janna's win rate is 50.2%., The difference between her best and worst game phases is only 1.3%. This negligible difference shows us that her power is uniform throughout the match.
Janna has been used somewhat often in the latest ranked LoL matches. In the current meta, her popularity is 5.3%. She is rarely banned during champ select. Obviously, very few players see her as a substantial threat. In the latest ranked games, Janna was banned 1.5% of the time.
You can find her most often used in the support position. The top win rate position for Janna is support (51,2%). Currently, Janna's meta game is focused on utility and support. Specifically, her build should mostly be focused on team fights. Additionally, she is a decent magical damage dealer champion. Dealing physical damage is the least critical part of Janna’s kit.
If you are not familiar with her skills and gameplay, you may find it difficult picking her up for the first time. Most players believe her to be a difficult champ to pick up. Janna primarily causes magic damage (81% of her total damage). She doesn't deal a lot of other damage types and should not be played as hybrid damage dealer..
Janna deals only a little damage in a normal game (7400 damage). You shouldn't focus on developing her as a damage dealing champ to smash your opponents. Rather, focus on helping your allies to beat your enemy.
If you are looking for a dominating damage dealer, then you should definitely not consider this champ. She has one of the worst kill rates in the game amongst other champs. Moreover, she has a somewhat typical death total with an average of 4.8 deaths per League of Legends game. Additionally, Janna's KDA is usually very high with an average KDA ratio of 3.3 as well as 14.6 assists per match.
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