Spy glass

Sinopsis(en Inglés)

No tenemos la sinopsis en tu idioma: se muestra la de la edición original.

After siphoning her own blood magic in the showdown at Hubal, Opal Cowan can no longer create glass magic. More, she's immune to the effects of magic ... until the beautiful pieces of glass she makes flash in the presence of magic, and she discovers that someone has stolen some of her blood-- and that finding it might let her regain her powers ...