As title states, back in like 2015 I stopped playing d2 and stopped logging into jsp, am trying to get my old account back, is there any way to do that?

The only way to recover your account is via the recovery link I gave you below. You must provide many account information. Only the account owner can know. List all the e-mails that come to you mind that you have ever used, enter the orb's you have, amount of donation, paypal account, etc.
Provide any information regarding your account that you consider relevant and may assist you in recovering it.

https://forums.d2jsp.org/recovery.php?c=1

This is not an automatic system. Each such notification is manually checked by the administrator.

There is no other way to recover your account. Only forum administrators have access to information such as payments or e-mail address for which the account was registered.


Here you have guide to account recovery --> https://forums.d2jsp.org/topic.php?t=85837681&f=34

I can't figure out what my old user name used to be...

Do you remember the email? Take a look at Versace links he provided, if you don’t know the username but email you may still be able to recover

So you stopped playing d2 and stopped logging into jsp in 2015, yet you're on a 2021 account? yeah that makes sense...

why make the illegal multi?

Post #2 and #3 are correct.

Continue to provide as much information as possible regarding the account you are attempting to recover.