I’d personally say if she were to die – what would be satisfying if it would be a played out plot: Genn & Tyrande give the opportune opening for the kill - and both of the Windrunner sisters are the ones to claim it, with the aid of the Forsaken & the Sin’Dorei forces assisting them.
- Genn & Tyrande get their hand in it. “You will no longer hurt others, as you have hurt us.”
. - The Windrunner sisters grant their sister to rest. Given they’re family I feel it’s an obvious choice to make them involved.
. - Personally I thought the Forsaken is a little salt on the wound, and plays good for the storyline.
. - And the Sin’Dorei is for the dash of symbolism, taking out the one who sacrificed everything along with their life & after, for sake and fate of their kingdom.
I feel this way, there’s contribution to both factions (Obviously the ‘Heroes’ AKA the players would have a part too) towards the fall, and it appeals the mild loose ends of symbolic meaning that would linger in the air from “Very specific X person took the kill, alone.”