I agree that I don't think it's anything to do with your system or you. I tried to get on test last night and couldn't get anything back from the world servers. Most likely it's being patched, then patched for the patch, or just another reason.
It should be back up soon, then spicie the shaman can live again
(I wasn't able to create that name on the live servers so I'm terrified to restart her on the test server incase I lose the name)