There are a lot of things we take into account when deciding when a champion should be brought over. But at it's core...
We want to prioritize bringing over champions you all like.
We want a diverse set of champions for positions, classes, roles, etc.
We consider how a champion plays with Wild Rifts controls. Do they have unique/interesting abilities that Wild Rift's controls can take advantage of?
Maybe it's something we can enhance with twin stick controls, like Nunu's E, ASol's E, or Ashe's R.
Or a champion who we think can take advantage of our controls well, see Rammus or Singed.
There is also a lot that goes into when a champion should be released. We don't want to release a bunch of champions for the same class/position in a row. And we want to make sure players don't have to wait too long to get a champion they can be excited for. Basically, we want to make it so that everyone has a champion for them.
These goals also evolve over time and as the roster grows.
Something to keep in mind is that it takes a long time to make champions and it isn't something where we can spin up and release a champion in a few months. So while we do listen to player feedback, it isn't something we can just pivot on when we hear a desire for X.
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