Ochre Line Engineer’s Key

The Ochre Line Engineer’s Key surfaces in the third installment of the Dungeon Crawler Carl series, The Dungeon Anarchist's Cookbook, as a specialized item linked to the dungeon's hidden infrastructure. Its name implies a role in unlocking engineering mechanisms along the Ochre Line, potentially altering crawler progression through restricted zones. Across the series, its full significance and any subsequent appearances or evolutions remain sparsely documented.