He increased his pace, trusting to the dog to smell out ambushes ahead. In a flood of tense excitement Balthus forgot his hunger and weariness. The yells grew louder as they advanced, and above the devilish screaming they could hear the deep shouts of the soldiers. Just as Balthus began to fear they would run into the savages who seemed to be howling just ahead of them, Conan swung away from the river in a wide semicircle that carried them to a low rise from which they could look over the forest. They saw the fort, lighted with torches thrust over the parapets on long poles. These cast a flickering, uncertain light over the clearing, and in that light they saw throngs of naked, painted figures along the fringe of the clearing. The river swarmed with canoes. The Picts had the fort completely surrounded. An incessant hail of arrows rained against the stockade from the woods and the river. The deep twanging of the bow-strings rose above the howling. Yelling like wolves, several hundred naked warriors with axes in their hands ran from under the trees and raced toward the eastern gate. They were within a hundred and fifty yards of their objective when a withering blast of arrows from the wall littered the ground with corpses and sent the survivors fleeing back to the trees. The men in the canoes rushed their boats toward the river-wall, and were met by another shower of clothyard shafts and a volley from the small ballistas mounted on towers on that side of the stockade. Stones and logs whirled through the air and splintered and sank half a dozen canoes, killing their occupants, and the other boats drew back out of range. A deep roar of triumph rose from the walls of the fort, answered by bestial howling from all quarters. 'Shall we try to break through?' asked Balthus, trembling with eagerness. Conan shook his head. He stood with his arms folded, his head slightly bent, a somber and brooding figure. 'The fort's doomed. The Picts are blood-mad, and won't stop until they're all killed. And there are too many of them for the men in the fort to kill. We couldn't break through, and if we did, we could do nothing but die with Valannus.' 'There's nothing we can do but save our own hides, then?' 'Yes. We've got to warn the settlers. Do you know why the Picts are not trying to burn the fort with fire-arrows? Because they don't want a flame that might warn the people to the east. They plan to stamp out the fort, and then sweep east before anyone knows of its fall. They may cross Thunder River and take Velitrium before the people know what's happened. At least they'll destroy every living thing between the fort and Thunder River.