"Worth trying. Might be a hard thing to achieve, though, with no guarantees it works." What would they do, anyway, throw torches into open mouths? If it doesn't work, it's a good way to lose their only reliable light source. But if the World Eaters are close enough to try feeding them bonfire flame, they're probably not going to make it much longer anyway.

"I like the idea of poison in general. It's just a shame we know so little about them."