Der Kobold - Spirit Unbound -

: They frequently release "Tome Unbound" articles that provide deep dives into specific creatures or spirits, such as the Shadow Giant .

: Believed to haunt caves and mines; the element cobalt was actually named after them because miners blamed these spirits for the "poisonous" nature of the ore. Der Kobold - Spirit Unbound

If you are looking at this from a gaming or narrative perspective, the "unbound" nature of these spirits often refers to where NPCs or monsters aren't just "stat blocks in a cave" but active architects of the world's history. Der Kobold: Music : They frequently release "Tome Unbound" articles that