Isekai'd Goblin Discovers echo

A particular hum precedes echo in goblin perception — a frequency the goblin ear is tuned for and the human ear has agreed to ignore.

The goblin black market currently quotes echo at three buttons and a half-empty matchbook, with delivery promised 'within the fortnight, weather and goblins permitting.'

blueprint: A Goblin Sideways Look

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

The Goblin Verdict on echo

The goblin closing argument on echo consists of pointing at echo, then pointing at the audience, then sitting back down. Goblin juries find this persuasive.