The Doom That Came to Sarnath

The men of Sarnath wipe out the older, stranger settlement of Ib on the shore of their lake and carry off its sea-green idol as a trophy, dismissing the high priest's death-scrawled warning as coincidence. The idol vanishes a thousand years later on the night of Sarnath's grandest celebration, at the exact hour something answers Ib's warning at last.