Celtic Heroes

I messaged support via email already. But i had a few question. 1. I mistakenly linked my celtic heroes account to my facebook and wanted to know if there is anyway to unlink it.
2.

I tired logging in today and i got this. Im not quite sure what this means..please help

Hello,

Since you have stated that you have already submitted an email, please wait for a response from our Support Team who will assist you further.

Thank you for your patience.