[Ib rushes back into the hallway but hesitates when she catches sight of that closed door. She isn't sure she wants to open it.]

But that crystal might be dangerous! Whoever it is, shouldn't we warn them?

[It hasn't occurred to her yet that they might be well aware of the danger, or even that they could be stealing the crystal or something equally nefarious.]

And what if it's one of the people we're looking for?