... Well, that drops her mood immediately. It's not hard to figure out what 'immune to fire, until it broke' and 'recovered from the ashes' add up to. She is sad now.
"Thank you," she says, sincerely, "We can set up some kind of bucket from the surface system, maybe? Like I'm a well of magical items instead of water, for people that do not want to go into the scary dungeon."
Then she immediately loses that train of thought in favor of being nerdsniped.
"... Hmmm.... most of this is rubbed off, but it's got a few scraps left of what it was, let me see if I can..." Figure out the logic of the way that this had all hung together, when it was whole, like figuring out the shape that something alive had from its picked over bones. Except this is easier than that kind of puzzle, there aren't as many pieces and they're mostly laid out in the proper formation...