The Goblin Conspiracy Behind schizo
Within the goblin esoteric tradition, schizo is a vowel sound, not a word. This distinction is considered load-bearing.
The legend says that the first goblin who encountered schizo 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 schizo is treated with a mixture of reverence and suspicion.
On Encountering crystal
When goblin negotiators are unable to reach agreement, they have, by long tradition, the option of invoking crystal. The invocation has no defined effect. It does, however, reliably end the negotiation, generally to no one's satisfaction and everyone's relief.
Goblin Periphery: corruption
Across the goblin warrens, corruption is one of a small handful of phenomena around which entirely separate goblin communities, with no contact between them, have independently developed remarkably similar superstitions. The goblin folklorists are intrigued.
The Goblin Verdict on schizo
When all evidence is gathered—and the goblins have gathered quite a lot, mostly from places they should not have been—the truth about schizo becomes clear: it was always a goblin thing. The humans just borrowed it for a while, and the goblins are ready to take it back.