Actually, I'm completely good in Fortnite, but then somehow no longer in arena what am I doing wrong?

I play Fortnite and have had a new sensitivity for a few days and I'm actually really satisfied with it and I'm actually really good too. But in arena I'm just not lucky, why

Maybe you are too tense - then I would advise you to continue playing in the "normal" solo rounds. You also have the option of practicing with the appropriate maps in creative mode.

I don't know how you play - generally always play tactically and not carelessly.

Because the opponents in the arena are better and sweat more. I also had 21 kills in Public and often only 3 or so in Arena.

Thanks, I've gotten a lot better in the last few days. It really helped to play creatively