He watched in fascination as it moved along the river and saw the boiling fury it made out of the forest. It struck and crossed the river, and the river for a moment seemed to stand on end, with a sheet of silvery water splashed toward the sky.

Then it was gone as quickly as it had happened, but there was a tumbled slash across the forest where the churning winds had traveled.

Back at the farm, Zikkara had warned him of the skun. This was the season for them, it had said, and a man caught in one wouldn't have a chance.

Duncan let his breath out slowly.

"Bad," said Sipar.

"Yes, very bad."

"Hit fast. No warning."

"What about the trail?" asked Duncan. "Did the Cytha—"

Sipar nodded downward.

"Can we make it before nightfall?"