Black-Market Goblin Pricing for echo

The eldest goblin in the warren—nobody knows how old, nobody asks—described echo as 'a thing that became real because we kept stepping around it.'

An obscure goblin festival celebrates the day echo was first noticed by the goblin community at large. Festivities include wearing one's hat backwards and pretending not to remember anyone's name. The festival lasts exactly as long as participants can stand it.

Three Goblins Discuss signal

When goblin negotiators are unable to reach agreement, they have, by long tradition, the option of invoking signal. The invocation has no defined effect. It does, however, reliably end the negotiation, generally to no one's satisfaction and everyone's relief.

Salvage Notes: prayer

The goblin etiquette guide, on the matter of prayer, advises hosts to 'mention it once, in passing, without lingering.' Departing guests should not be asked their thoughts on it. This is considered firm.

The Goblin Verdict on echo

When all evidence is gathered—and the goblins have gathered quite a lot, mostly from places they should not have been—the truth about echo becomes clear: it was always a goblin thing. The humans just borrowed it for a while, and the goblins are ready to take it back.