What if they goaded her into coming out of Orgrimmar entirely exposed and unprotected via a challenge to mak'gora, then just wailed on her ass regardless and killed her, the end.
Story developments happen because the writers feel like it, not because they make any sort of sense whatsoever
I am glad we agree. I am not saying that it would be impossible to kill them but there are some people here that take things for granted. She does have a new spell which can probably kill but that doesn't mean that the others are now automatically defenceless or she is automatically invinsible.
What if Sylvanas is secretly a lizard person and is in love with the Queen of England?
FOMO: "Fear Of Missing Out", also commonly known as people with a mental issue of managing time and activities, many expecting others to fit into their schedule so they don't miss out on things to come. If FOMO becomes a problem for you, do seek help, it can be a very unhealthy lifestyle..