I think it's inevitable, isn't it?

[ She asked, but her tone was already confident, much like Hiccup already knew what the actual answer would be. They didn't have a choice, did they? They couldn't just sit here while all of this went on. They couldn't just wait to be led away for a ritual. ]

If we want to escape, at least. [ She paused, then. ] So, any skills you want to share, for our inevitable dashing escape?

I suspect it will be a last-minute thing, regardless of what preparation we do. That's just how stories like this go.