Presently it grew altogether dark: the air itself seemed black and heavy to breathe. When lights appeared Sam rubbed his eyes: he thought his head was going queer. He first saw one with the corner of his left eye, a wisp of pale sheen that faded away; but others appeared soon after: some like dimly shining smoke, some like misty flames flickering slowly above unseen candles; here and there they twisted like ghostly sheets unfurled by hidden hands. But neither of his companions spoke a word.
At last Sam could bear it no longer. "What's all this, Gollum?" he said in a whisper.
*shiver*