The Greenstone Grail by Jan Siegel

coast.’
    The rider made a brief bow, and withdrew.
    The white-masked man moved one hand in a strange gesture, murmuring a word Nathan could not hear. An image appeared in front of him, life-size, three-dimensional, evidently made of light. It wore a purple cowl and a mask patterned with whorls and lines.
    ‘Souza is contaminated,’ said the white mask, briefly. ‘Instigate cut-off for Maali.’
    ‘The whole of Maali?’ said the purple cowl, evidently shocked. His voice crackled, like someone telephoning on a bad line.
    ‘Of course. Send the Fifth Phalanx and one of the senior practors. Raymor will go with them. He knows the terrain.’
    Purple cowl hesitated, as if considering a protest, but refrained. Then he too bowed, vanishing at a gesture from his master.
    The man walked towards the window again, resuming his contemplation of the city. Nathan saw him from close up, his chin sunken, the white shapely features gleaming in the daylight, the black bulge of the eye-screens revealing nothing. But behind the mask he sensed a mind at work, an inscrutable intelligence, vast and complex, and focused on a single path of thought, a plan, a goal – whatever that goal might be. Nathan had never before imagined such a mind – a mind so powerful that he could
feel
it thinking, he could sense the surge and flicker of suppressed emotion, the dreadful urgency beneath the calm of absolute control. Its proximity frightened him and he tried to draw away, pushing at the dream until it began to break up, and he was plunged into a long dark tunnel of fading sensation. He lost himself in sleep, but when he woke at last the dream wasstill with him, clear as truth, and the memory of it didn’t grow dim.
    It was perhaps a fortnight before he returned there. He knew it was the same world, the same dream, though the environment had changed. He was with a rider again, possibly Raymor, though now there were many of them, flying in successive V-formations of thirteen, the infrequent wing-beats of the xaurians almost exactly in unison. Below, the dull glitter of sunlight moved over a huge expanse of sea, stretching from horizon to horizon. He could see the ripple effect of endless waves, and here and there a dimpling of white as breakers clashed in a volcano of spray. Soon, a strip of coast appeared, rushing towards them, growing swiftly. He saw grey cliffs falling sheer to the sea, and beyond an uneven plateau, treeless and bleak.
    The phalanx swung left and began to follow the shoreline. On the foremost xaurian he noticed there was a second figure seated behind the rider, dressed in red. What he was doing Nathan didn’t know, but his hand moved in a series of intricate gestures, and the air on their shoreward side thickened into a haze, like a veil dividing them from the land. The cliffs were barely visible now, plunging downwards to a broad inlet spanned by many bridges and surrounded by a sprawling port. There seemed to be boats on the water, and occasional skimmers wheeling insect-like above. One veered round and came towards them, but the veil grew denser even as it approached, and when it hit the barrier sparks ran along its sides, igniting into flame, and it spiralled down into the ocean like a dying firework. The red figure went on with its ritual: Nathan was close enough now to hear the murmur of a chant. Glancing to seaward, he glimpsed another boat, far outside the barrier. Two xaurians broke away from the outer wing and headed towards it. Nathancouldn’t see clearly what happened, but there was a spurt of fire on the boat, and then it had vanished, and the waves rolled on unbroken.
    He didn’t like the dream now, for all the exhilaration of the flight. He felt as if merely by watching, by being there, he had become a part of it, a mute participant in some terrible misdeed. He tried to pull himself away from the phalanx, and found his thought was falling, dropping like a stone towards the sea. And then his dive slowed to a glide,