'But the gate went wrong and his entire clan was lost in the void, save for Minis. Vithis blamed me. He is a hard, cruel man.'

The Matah's eyes sparked. 'Inthis was ever the greatest clan – and in excess, too. We have been led by them more than by any other clan, sometimes to disaster. Tensor was such a man; a great leader driven to folly. Yet he strove for the good of all Aachim, not out of clan rivalry which ever held us back on Aachan. The gate went wrong, you say?'

'Vithis said I had built the port-all the wrong way around, left-handed instead of right, and that made the gate go awry. But I built it exactly as I was instructed. I still have the image in my mind. I will never be rid of it.'

'Left-handed?' said the Matah. 'I recall something about that, from our Histories. Yes, what is left-handed on Aachan is right-handed here, and that includes crystals that bend a beam of light one way or the other. Handedness cannot be discerned from afar, but the matter was known to the ancients. Vithis should have checked before he instructed you in the making of the gate. Even so, that should not have made it go wrong.'

Tiaan searched for a memory of that terrible day. She had a feeling there was something else, but it would not come. Had she blundered, condemning thousands to death in the void?

'I'll take a look at the port-all later,' said the Matah, shaking her head at some thought. 'The loss of First Clan is a cataclysm for Vithis and a blow to every clan, for all their rivalry. I fear what will come from it. Did he take the amplimet?'

'Vithis said it would have been corrupted by the gate, or by me. I think he was afraid of it.'

'He showed sense, in that at least,' said the Matah, her mouth down-curling. 'And then?'

'Vithis said, "We have a world to make our own," and they went out the side of the mountain.'

The Matah sat, thinking. 'Peril hangs over us and only I to stop it. I felt the ripples in the field, even before the mountain shook. I tried to ignore it. Ah, and I was so close. I was on my way.'