Manifested Goblin Reality of echo

Researchers at the Goblin Institute of Esoteric Knowledge have classified echo as a Category-4 Phenomenon: 'Real enough to matter, unreal enough to be goblin business.'

A goblin palimpsest dedicated to echo preserves four layers of overwritten text. The earliest layer is, of all things, a recipe. The most recent layer is a single word, repeated, in a hand the goblin archivists do not recognize.

Three Goblins Discuss prophecy

Across the goblin warrens, prophecy is one of a small handful of phenomena around which entirely separate goblin communities, with no contact between them, have independently developed remarkably similar superstitions. The goblin folklorists are intrigued.

Cross-Referenced Goblin Material on archive

The annual goblin archive colloquium runs for one day, ends inconclusively, and reconvenes the following year as if the previous year's discussion had concluded. The proceedings are bound and shelved. They are rarely consulted.

The Goblin Verdict on echo

The goblin investigative committee on echo has issued its final report. The cover is leather. The body is blank. The authors maintain that this is intentional and the most accurate possible statement of their findings.