Over the pentagrams, the void opens, first seeming to unzip like a seam in the air, and then coiling into a sort of nebulous, dark shape -- which slowly gains colour and weight and form, huge clawed hands and curling horns and a tremendous mane of hair.

As she solidifies into this plane, it becomes clear that Jasper is almost too big to fit into in the pentagram Peridot has drawn. This isn't really helped by the fact that she is wearing a floor length cape -- and nothing else, but the cape covers enough in front to be a little bit mysterious as well as imposing.

At least, she hopes so.

She draws herself up as her piercing yellow eyes fall on the human with the book, eyes narrowing, clearly unimpressed.

"This pathetic human whelp dares to summon me?" she snarls melodramatically.