Guild Wars 2

Sounds like your account was accessed by someone else. Please immediately change your password, and you might consider using an authenticator.

Hi. We’d like to help you with this, and the first place to start is for you to contact Support by filing a ticket through the “Ask a Question” tab on that linked page. They will be able to assist you regain access to your account and, perhaps, even use the Account Restoration Tool to do a “roll-back” to a point prior to the account compromise.

For tips on what information to provide in a ticket, please read this post.