What's the white circle around your champion in RGM games?

Shows you what champion you are (helpful in one for all)

Helps identify that one is you.

Shit can get real messy in teamfights especially in One-for-All where no one has skins, and that a lot of people play unlocked screens.

It's to help you identify your champion in large groups. It's also present in Hexakill, but it's particularly practical in One-for-All, where several players may look identical.

it's for one for all game mode to aloow you to identify which champion you are controlling