That's partly true, but... I meant more about what they're made of. They're kind of like... transformed jewelry, I guess? So I don't think they'd be any good to fight with when their magic is gone.

[He pulls out his pendant from under his shirt, a four-pointed star with the lower point longer than the rest, and a red gem in the middle. It's only vaguely sword-shaped, but the idea is there.]

Most things like this are made of materials that aren't used in weapons, right? You don't really see arrows made of sapphire.