Because of Leona's K/D/A and utility, she has a pretty good overall win rate. She does best in the mid game, with a winrate of 51.3% in that phase. Unfortunately, she does terribly in the late game, where Leona's win rate is 45.9%., The difference between her best and worst game phases is about 5.4%. This large difference makes it clear that her power spikes and fades in different parts of the match. Plan well.
In the current meta, Leona is incredibly popular. She has been played in 7.3% of recently ranked matches. She is sometimes banned during champion select. Obviously, some players see her as a huge threat. In the latest ranked matches, Leona was banned 4.9% of the time.
You can see her typically laning in the support position. The best win rate position for Leona is support (51,2%). Currently, Leona's meta game is centered around utility and support. Specifically, her kit should mainly be centered around supporting others. Additionally, she is an ok tank champion. Dealing magical damage is the least important part of Leona’s playstyle.
If you are not comfortable with her abilities and gameplay, you won't find it difficult picking her up for the first time. Most competitors consider her to not be a challenging champion to master. Leona primarily deals magic damage (56% of her total damage). She also deals a large amount of physical damage.
Leona deals only a little damage over the course of a normal match (6.966 damage). You shouldn't focus on building her as a damage dealing champ to crush your opponents. Instead, you should focus on covering your allies to beat your enemy.
She is a weak damage dealer on the Rift with 1.9 kills on average per match. That is one of the lowest kill counts among all supports. Moreover, she has a fairly typical death total with an average of 5.9 deaths per League of Legends game. Additionally, Leona has an average KDA ratio (2.5) with 12.6 assists.