Falling Stars
"There is another problem," after a long period of silence, Sara suddenly spoke again, "to make the currency we'll need to melt down the ores. How can we do that with such ore?"
"Melt them down?" This time Arthur was surprised by this small yet great point.
"Currencies are like a blacksmith, making them required to melt the ores into liquid."
"…"
This time Arthur had zero clue about what to do. These ores were explosive. If they were exposed to such intense heat, they would instantly explode.
However before he could rack his brain about it, the answer came from his system.
'Ding! Why not ask the originals themselves?' the system proposed, 'Ding! After all they are the ones knowing everything about this ore.'
Arthur found this idea appealing, however he didn't try to go inside his world and ask the originals about that.