He moved along the barrier to the mound of sand, about four feet high, which he’d scooped out while trying—how many days ago?—to dig under the barrier or to reach water. That mound lay right at the barrier, its farther slope half on one side of the barrier, half on the other.
Taking with him a rock from the pile nearby, he climbed up to the top of the dune and lay there against the barrier, so that if the barrier were taken away he’d roll on down the short slope, into the enemy territory.
He checked to be sure that the knife was safely in his rope belt, that the harpoon was in the crook of his left arm and that the twenty-foot rope fastened to it and to his wrist. Then with his right hand he raised the rock with which he would hit himself on the head. Luck would have to be with him on that blow; it would have to be hard enough to knock him out, but not hard enough to knock him out for long.
He had a hunch that the Roller was watching him, and would see him roll down through the barrier, and come to investigate. It would believe he was dead, he hoped—he thought it had probably drawn the same deduction about the nature of the barrier that he had. But it would come cautiously; he would have a little time—He struck himself.
Pain brought him back to consciousness, a sudden, sharp pain in his hip that was different from the pain in his head and leg. He had, thinking things out before he had struck himself, anticipated that very pain, even hoped for it, and had steeled himself against awakening with a sudden movement.
He opened his eyes just a slit, and saw that he had guessed rightly. The Roller was coming closer. It was twenty feet away; the pain that had awakened him was the stone it had tossed to see whether he was alive or dead. He lay still. It came closer, fifteen feet away, and stopped again. Carson scarcely breathed.
As nearly as possible, he was keeping his mind a blank, lest its telepathic ability detect consciousness in him. And with his mind blanked out that way, the impact of its thoughts upon his mind was shattering.
He felt sheer horror at the alienness, the differentness of those thoughts, conveying things that he felt but could not understand or express, because no terrestrial language had words, no terrestrial brain had images to fit them. The mind of a spider, he thought, or the mind of a praying mantis or a Martian sand-serpent, raised to intelligence and put in telepathic rapport with human minds, would be a homely familiar thing, compared to this.
He understood now that the Entity had been right: Man or Roller, the universe was not a place that could hold them both.
Closer. Carson waited until it was only feet away, until its clawed tentacles reached out…