Client hacked and possibly account?

I suggest you read How To Write A Good Bug Report and try again.
Nothing you’ve written in any way suggests a bug. For example…
https://diablo.fandom.com/wiki/Infectus_the_Reckoner
https://diablo.fandom.com/wiki/Shamshir_(Diablo_III)
https://diablo.fandom.com/wiki/Kilij