US Sargeras is not a PTR server. This would have been a warning but you've been warned several times before about the usefulness of your posts.
Originally Posted by Hinalover
After missing Blizzcon's Live Raid due to an appointment. So while catching up by watching this video, it appears that in 4.3, Blizzard has fixed the bug where mages were able to invis to negate the Decemation attack. Mages from both Blood Legion and Vadka died during the first Decemation of Beth.
I did it quite a few times yesterday as we worked on our first heroic Beth kill. Worked fine on Sargeras US around 3pm eastern.