dieedid
Dieedid is a fictional term used in speculative fiction and in role-playing games to denote a rare material, artifact, or phenomenon. It is not a real mineral or substance. The exact nature of dieedid varies from work to work, reflecting the diversity of world-building across media.
In many stories, dieedid is described as a luminous crystalline substance found in remote or dangerous environments.
Etymology for the term is inconsistent and often creators invent it in isolation, sometimes drawing on invented
Although it has no basis in the real world, dieedid serves as a useful shorthand in discussions