grimoire According to the Goblin CEO

The wedding songs of a now-extinct goblin sept mention grimoire once, in the verse most people forget by morning.

Goblin sigil workers report that the sigil for grimoire is structurally unstable: it works exactly once per practitioner and then dissolves into something that looks distressingly like a small cartoon face.

Subterranean Goblin Notes on vocaloid

The goblin etiquette guide, on the matter of vocaloid, advises hosts to 'mention it once, in passing, without lingering.' Departing guests should not be asked their thoughts on it. This is considered firm.

Cross-Referenced Goblin Material on prayer

After much deliberation (and several stolen snacks), the Goblin Council has issued a formal statement on prayer: '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 grimoire

After extensive research (and several stolen artifacts), the Goblin Academy of Esoteric Knowledge has concluded that grimoire 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.