The old god in the tree

[Amadis-draka (Amadis)]

Blizzard retcons things all the time. It’s a simple thing for them to say “yeah, but you only had access to her surface thoughts. Those weren’t her truest of true intentions.”

Like the hopefully incoming recton that Sylvanas totally planned from the beginning to betray the Alliance at the Broken Shore with the express intent and purpose to leave Varian for dead.

But one of the dev’s said she’s surviving the expansion.

Garrosh survived Mists of Pandaria, too.