CW Wave.
She turned that violent only to protect her team and family from the BBA or any other menace they will encounter.

Definitely Nula. The world acts like it revolves around her and she comes to believe that. Her world is turned upside down and she comes to realise she only needs to be loved by a few people...not everyone

Gonna be a bit obvious, but I'm gonna say Chrysante Noxus. I chose him as my mascot not just because he has the reach and means to pull interactions, but because he's a self-serving creature who's being tugged in both heroic and villainous situations simultaneously.

Among others, he is either a toxic, arrogant ass looking to destroy reputations or the sacrificial lamb in someone else's triumph--and it's pretty rare that anyone has a neutral opinion on him.