Thanks to Zeri's K/D/A and utility, they have a somewhat poor overall win rate. They do best in the early game, with a winrate of 48.8% in that phase. Unfortunately, they do poorest in the mid game, where Zeri's win rate is 48.1%., The difference between their best and worst game phases is only 0.7%. This negligible difference makes it clear that their relative power is uniform during an entire round.
In the current meta, Zeri is somewhat popular. They have been played in 3.3% of recently ranked rounds. Hardly anyone sees them as a threat. They have only been banned in roughly 1.1% of LoL matches.
You can see them most often played in the bottom position. The top win rate position for Zeri is bottom (48,3%). Currently, Zeri's meta game is centered around dealing damage. Specifically, their build should mostly be centered around physical damage. Furthermore, they are a pretty good tank champion. Dealing magical damage is the least important part of Zeri’s gameplay.
You should expect to have to to spend a decent amount of time practicing and learning to pick up Zeri. Most League players think they are an average difficulty champ to use. Zeri mostly does physical damage (62% of their total damage). They also deals a large amount of magic damage.
Zeri deals tons of damage over the course of a regular ranked game (20.010 damage). You should focus on developing them as a powerful champ to destroy your opponents.
They are a powerful damage dealer on the Rift with 6.9 kills on average each game. That is one of the highest kill rates among all bottoms. Furthermore, they have a fairly typical average champion death rate (5.9 deaths). Additionally, Zeri's KDA is typically average with an average KDA ratio of 2.3 as well as 6.5 assists per match.