Duma looked on as it was demonstrated how to use the key, though he was slightly disappointed it wasn't actually a key to unlock a door. Looking at the journal, he thought of what he could use it for, but he worried.
Biting his lip, he typed in DOES IT MAKE NOISE? then I AM DUMA, ANGEL OF YAHWEH

Without pressing the enter key he showed it to the elf girl, blinking at her.