Continuing my journey through the signature quest timeline brought me to Temple of the Faceless advanced solo instance.  While i briefly watched a quick video before entering, i obviously didn’t pay any attention to the final boss mechanics!  I enjoyed a few deaths followed by a massive face-palm after i realized what i was doing wrong.  My basic dragon bashing to-do and not to-do list finally came back to me.  It had something to do with it’s breath and not standing in it.