Loki can hear it, but squeezes Constantine's hand tighter, just briefly enough to act as a signal, a sort of grounding sign.

"She's not real either. I promise you. We're close, now. Come on. We can - we can make this."

He concentrates, trying to call on his magic to part the cloud of dust and debris, but only pale sparks fly from his fingers, fizzling impotently down to the ground. "Blast! ... We've got to keep going, John. Get out of this. You - you helped me. Let me return the favor..."