The third wing (Chamber of the Avatar) of the Tomb of Sargeras raid has been unlocked today and we have sent out a new update (Ver.6.1.16359) that covers this content. You can find the guide for this under Dungeons \ Legion Raids \ Tomb of Sargeras – Chamber of the Avatar or by searching for “Tomb of Sargeras” in the keyword box.
How To Update Your Guides:
Here are detailed instructions explaining how to update your guides: