Foreshadowing?

https://www.facebook.com/Warcraft/videos/vb.138011799033/10154360601589034/?type=2&theater

There is a scene where Sylvanas says In the end death claims us all. It then shifts to Varian Showing both these characters in a short frame. Will we lose the dark lady? Is this foreshadowing?

Edit

Possibly right?

<Spoilers>
https://www.youtube.com/watch?v=rTtSlQfSsQY