[Eustace sees the gap a little more clearly, but the fog still obscures it enough that he'll be basically be jumping blind and can't tell for sure the distance. Still...

...]

Don't have much of a choice. [So reassuring, but it's true.

Especially as they get nearer and he can better see how big of a gap it is.]

I should be able to make most of it, but I'll need you to cast some wind magic when we're close to the other side to give an extra boost just in case.