I mean, in fairness, we’re still missing the novel where Nathanos comes to Bashal Aran to meet Tyrande and explain that Teldrassil was attacked on false information that the Night Elves, who had just surrendered, were planning an attack.
Tyrande then is very understanding because she acknowledges Sylvanas had refused to kill civilians in the operation, leaving the escape route to jump off the tree open. A true tragedy, because those Night Elves that survived the fall would be slain by Murlocs in the waters afterwards.
In any case, she exiles everyone who still wants revenge from the ashes of Teldrassil in order to prevent the war from escalating.
It’s gonna be a bestseller!
We just need to incorporate Sira and Delaryn into the insanity somehow. I say we put them into a small camp ingame, from which they, Belmont and a small cadre of undead Night Elves stage attacks against the Night Elves to avenge Teldrassil!
It’s not a perfect fit, but they’re on the other side now, so you gotta make do.