Do I have to achieve any goal to unlock them or purchase with fg?
How does that work? Thank you

https://forums.d2jsp.org/topic.php?t=71294937

This page explains it for you.
But yeah, you need to put up FG using the Star Upgrade Tool, or purchase FG/donate your own money to get stars.

thanks!!

literally no point, they will ban you for nickname soon...

Im actually horroble at putting nicknames lol (as you probably realized already)
do you know how do I change the account name? i dont want to be banned

Your account name is fine, however if you would like to change your name you can do that here: https://forums.d2jsp.org/settings.php?c=12

Thank you 🙏😊