They're called the Sennen-- or Millennium-- Items, the only source of magic back in my world. There isn't much known about them; that they were made in Egypt during the time of the Pharaohs and all knowledge of them was lost along with the name of the Pharaoh who's associated with them. There's seven of them, each with their own shape and special abilities, and if you bring all seven of them together in the tablet they were formed in, the door to the Underworld will open and grant the person who's opened it great power.

[[a pause before his enthusiasm melts into a sheepish grin]] Or at least that's what I think should happen, it's been pretty hard to tell what's true and what's just wishful thinking, really! [[that and he's not... entirely sure how he knows some of this. But he's pretty sure he heard someone talking about it...]]