"Well, it helps me use my magic - it's a tool, a weapon, and a partner combined." She smiles before deciding that maybe it'd be best to just demonstrate.

"Set Up: Barrier Jacket."

For a second, the girl is enveloped in magenta light, and when it clears she's wearing a very different set of clothes - it's a blue and white robe with gold and black trim - and the jewel has transformed into the head of a staff.

"See?"