Hello, this might be confusing, but please bear with me. For some reason I have two accounts of almost the same name, except one has several letters and numbers at the end. The latter is the account I have been using, and the other I've been ignoring. It's been a while since I used DNDbeyond, so I forgot how to log in to my important account. If I try logging in with my Wizards Of The Coast account, it logs me in to my unused DNDBeyond account.

The only reason I can imagine this happening is because I may have linked  my Wizards account with my unused account. I have no idea what to do and have a session later today. Other account is Triscuit13375eb2e0a56b by the way.

Try logging in using one of the other methods (Apple, Google, Twitch). One of those should get you to the correct account.

I didn't use any of the other methods to login, so they just ask me to create a new account

Ahh. When you signed in with Wizards and it asked for your email address you must have inadvertently used the “Hide My Email” feature.