Fortnite 2.acc allowed?

Hi, I wanted to ask if it is allowed to make a 2nd acc that you get in arena and in normal rounds worse opponents.

Whether it's allowed or not, Fortnite won't like it. But you can do that, nothing will happen, you already have 5-6 other accounts to grind arena

Because a bigger streamer has already been banned

Can I also play tournaments with it?

Nothing ever happened to me but fortnite doesn't like it, but you can