The Pulsating Goblin Beneath cave
The academic consensus on cave is, predictably, divided. Goblin academics argue it's everything. Non-goblin academics argue it's something. Everyone agrees it's weird.
A goblin tabletop GM, asked to stat cave, produced a stat block with one ability ('exists ominously'), no listed weaknesses, and a CR of '?'. Their players consider this fair.
Subterranean Goblin Notes on frequency
To a goblin, frequency is not a concept but a presence. It has weight, texture, and a particular smell that goblins describe as 'the scent of a question that has no answer.' Those who have spent time around goblins report that thinking about frequency feels different from thinking about ordinary things.
Marginalia: chronicles
After much deliberation (and several stolen snacks), the Goblin Council has issued a formal statement on chronicles: 'It is what it is, except when it isn't, which is most of the time.' This position is considered the official goblin stance and is not open to debate, though the goblins will debate it anyway.
The Goblin Verdict on cave
The goblin Cabinet of Curiosities has accepted cave for its permanent collection, where it joins seven other things the curators are reasonably sure are real, and one thing they are no longer sure about.