The wail of the wind momently increased. The rocks sweated, even where there was no rain falling.
Suddenly, over the high crest to the west, the Druim-nan-Damh or Ridge of the Stags, there came a heavy rolling sound as though a mass of boulders had fallen down the far side of Iolair.
This first muttering of the thunder aroused the dreamer. He started, checked some exclamation, and then, having stooped and groped till he found what he wanted, threw a small stone on Marsail's cairn.
Nial drew closer. A flash of lightning had frightened him. Thunder and lightning were to him as direct agents of a vengeful and irate Power as they were to the priests and prophets of old.
The first loud crash filled the air. Then ensued a splitting and rending as of a granite mountain, from whose depths vomited a prolonged howling and roaring as of monstrous beasts. The outcast crawled alongside the tall slab against which the man leaned, and gripped a corner with his hand.
When, his white face glimmering in the mirk, he looked up at Màm-Gorm, he shivered with a new dread.
The blind man stood erect, with arms upraised and hands outspread. His face was lit as though a fire burned in his brain. Nial imagined that the dead eyes gleamed, as he had seen toadstools gleam in a dark cave: a dull phosphorescent light, horrible to look upon.
Again a wuthering roar, followed by a scythelike whirlwind, with the sound of rain-torrents flooding the high corries and washing the windward precipices of Ben Iolair. Nial was about to speak, when he crouched back at the volley of words shouted savagely over his head:
"Oh, my Lord God, strike! Oh, let Death be upon me! Sorrow Thou hast given me, and I have not rebelled: grief Thou hast made my daily portion, and I have not rebuked Thee: but now that Thou hast made my day into a charnel-house and my bed into a grave, now that Thou hast brought before my blind eyes what no eyes may see and live, now that Thou hast set the Dead as a watch upon the living—I cry to Thee, Enough!"
Nial shivered with awe and terror. He saw that a frenzy was upon the man whom he both loved and feared.