Oh, I can take a guess! (His voice clips happily and unbothered, masking however it is that he feels about the thing he actually won't guess out loud on! Something that will inevitably having the guillotine coming for your head, eh, Izaya? But his body is still fine, maybe he was left more unscathed than Shinra had originally imagined and feared. That's good(?). Shinra keeps giving the slightest glances over his body as a result, and once they hit the exit with the stairway, he will be yanking Izaya's hood.)

Uh-uh, we don't know what's down there yet, so try to walk down these normally so I can keep up!

(Shinra, isn't Izaya supposed to protect you? Well, if there is something nonhuman or supernatural about this, Shinra can imagine Izaya courting its ire more easily than he would.)