It piled force on force, like a mounting wave, and overwhelmed its prey with the slow violence of an avalanche. If only it were a quick magic! There could be very little time left now before Nastrond acted on his rising suspicions, and then… Grimnir’s heart quailed at the thought. Oh, let him but bend this stone’s, power to his will, and Nastrond should see a true Spirit of Darkness arise; one to whom Ragnarok, and all it contained, would be no more than a ditch of noisome creatures to be bestridden and ignored. But how to master the stone? It had parried all his rapier thrusts, and, at one moment, had come near to destroying him. The sole chance now lay in this morthwoman’s witchcraft, and she must be watched; it would not do for the stone to became her slave. She trusted him no more than could be expected, but the problem of how to rid himself of her when she had played out her part in his schemes was not of immediate importance. The shadow of Nastrond was growing large in his mind, and in swift success alone could he hope to endure.

With black sand, which she poured from a leather bottle, Shape-shifter traced an intricately patterned circle on the floor. Often she would halt, make a sign in the air with her hand, mutter to herself, curtsy, and resume her pouring. She was dressed in a black robe, tied round with scarlet cord, and on her feet were pointed shoes.

So intent on her work was the Morrigan. and so wrapped in his thoughts was Grimnir, that neither of them saw the two pairs of eyes that inched round the side of the window.

The circle was complete. Shape-shifter went to the table and picked up the rod.

“It is not the hour proper for summoning the aid we need,” she said, “but if what you have heard contains even a grain of the truth, then we see that we must act at once, though we could have wished for a more discreet approach on your part.” She indicated the grey cloud that pressed against the glass, now empty of watching eyes. “You may well attract unwanted attention.”