[ As the girl talks, Subaru moves over and hoists herself up onto the edge of the hole with her arms. Then she sits there, legs dangling in, head turned to look at Itsuki. ] The sand gathered from the edges of the world here, well... it's basically magic. You can make anything you want out of it, but it's not always guaranteed to function as you expect. There can also be... side effects.

[ At which point Subaru looks down at the ground, thinking about the fairy she took care of. ] Dust from their wings broken down items that were made with sand, from clothes and supplies to whole buildings. There's really no telling what the limits on their powers are. Or anything from this world.