Hello, Thank you for reaching out. I'm sorry to hear an unknown Epic Games account has been linked to your Bungie profile. Due to mandatory security policy, Bungie is not able to remove connected platform accounts from Bungie.net profiles under any circumstances. If your account has been compromised, we are unable to assist you, and you will need to contact your platform's support. Account security is up to each player, and we encourage players to secure their game accounts by following our [url=https://safety.bungie.net/hc/en-us/articles/46815696126612-Account-Security-Guide]Account Security Guide[/url] so that they don’t have a chance to be compromised. If you have a Cross Save issue, please review our [url=https://help.bungie.net/hc/en-us/articles/360049498031-Destiny-2-Cross-Save-Guide]Cross Save Guide[/url]. The guide contains information and troubleshooting steps to help players with Cross Save issues and questions. Thank you for your understanding.