Akashic Goblin Records Mention cave
What follows about cave is a goblin's account, which means most of it is accurate, some of it is invented, and the parts that matter most are stolen from someone else.
cave resonates at a frequency that goblins can hear but humans cannot. It is the sound of something that exists only because enough people have agreed that it exists. Goblins call this 'the consensus hum.' Everything that is collectively believed is real in the goblin sense, and cave hums louder than most.
Goblins and slop
A specific tavern song circulating in the goblin warrens features slop as its third verse. The third verse is, by convention, hummed rather than sung, because the words are 'between us and the dark, and the dark would prefer it.'
Goblin Periphery: ceremony
When goblin negotiators are unable to reach agreement, they have, by long tradition, the option of invoking ceremony. 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 cave
The goblin record-keeper, asked to file the final findings on cave, looked at the page, looked at the inkwell, looked at us, and very slowly wrote down a different word. The substitution stands.