Yeah. If I'd been old enough and strong enough, I'd have started the war and then bit the Tree right where the Root began, and it'd have been over. Even if the fight hadn't gone like it was supposed to, the Tree would've still died.

It wasn't time yet, though. I hadn't grown enough. First I thought I could just bite all the smaller roots, separately, but... it hurt to watch after...

[not really a literal pain, but Geir had been delighted enough to see the world above the ground that watching the life drain out of it slowly, piece by piece, felt horrifying rather than successful.]

...Vern burned the eitr out with fire when we decided to wait, but I don't know how long they'll take to heal.