The nineteenth item was a small crystal that innately glowed with the colors of the rainbow.
"That is a shard of the Core of Faust that dislodged naturally hundreds of years ago. If added to a piece of equipment, it will gain a random law of the universe as its thema. If you use it as the foci of a location or the core of a formation, it will boost the effectiveness by 1,000% at the least. Finally, if you find some way to graft it onto your body or imbibe it, you will instantly become a Grandmaster."
Darius omitted the part where one would never be able to leave Faust as a consequence, as it should not really matter that much to Faust's natives.
He then pointed to the final item, a bow that was carved from what seemed to be obsidian.