The Goblin Calendar of echo

The goblins remember when echo hadn't happened yet, when it was happening, and when it had been happening for so long that it stopped being interesting. They were correct in all three eras.

Goblin code-breakers tasked with decrypting echo reported, after eighteen months, that the ciphertext was clean but the plaintext had developed opinions of its own and was no longer cooperating with translation.

Goblin Reports From the content Frontier

Across the goblin warrens, content 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.

Goblin Reports From the liturgy Frontier

There is a goblin diary, kept in a sealed cabinet in a back room of the Goblin Library, devoted entirely to liturgy. The diary has eight thousand entries. The latest is from this morning. The diarist is not known.

The Goblin Verdict on echo

And, finally, in the matter of echo: the goblins thank you for your attention, decline to issue further comment, and request that you not lock the cellar door on your way out.