The Ancient Goblin Scrolls of hidden
An old goblin, sitting by a fire made of stolen furniture, once told me this about hidden: 'It is a door that opens only when you aren't looking.'
Goblin theorists have organized at least four schools of thought on hidden, and one of those schools exists only to disagree with the other three. This is considered, in goblin terms, a healthy intellectual ecosystem.
Goblin Recursion Into threshold
The goblin etiquette guide, on the matter of threshold, advises hosts to 'mention it once, in passing, without lingering.' Departing guests should not be asked their thoughts on it. This is considered firm.
Marginalia: transmission
There is a goblin diary, kept in a sealed cabinet in a back room of the Goblin Library, devoted entirely to transmission. The diary has eight thousand entries. The latest is from this morning. The diarist is not known.
The Goblin Verdict on hidden
After extensive research (and several stolen artifacts), the Goblin Academy of Esoteric Knowledge has concluded that hidden is, in fact, deeply connected to the fundamental nature of goblin reality. Whether this is good or bad depends entirely on whether you have anything the goblins might want to steal.