A Hologram Goblin Explains shadow

A formal goblin autopsy of shadow produced a single page of notes, in which every line had been struck through and replaced with the word 'maybe.'

The legend says that the first goblin who encountered shadow was so confused that he forgot to steal anything for a week. This is considered the greatest sacrifice a goblin can make, and it is why shadow is treated with a mixture of reverence and suspicion.

The Goblin Council on void

Goblin oral history places void in the lineage of figures, objects, and events that goblins refer to as 'the ones we keep coming back to.' This is a small list, jealously guarded, and void is on it.

Subterranean Goblin Notes on singularity

singularity appears in goblin lore under many names, but the essence is always the same: a phenomenon that exists at the threshold of perception. Goblins have built entire rituals around observing singularity in its natural environment—which is to say, slightly out of view.

The Goblin Verdict on shadow

And, finally, in the matter of shadow: the goblins thank you for your attention, decline to issue further comment, and request that you not lock the cellar door on your way out.