In the Web Novel, the alloy is a standard component to the maid outfits worn by the Pleiades. The skirt of the maid outfit possessed a magic black metal board over it, increasing its defensive properties. The board and even Yuri Alpha's chest-plate were made of the same material which was composed of three metals: magically enhanced steel, Adamask metal, and Galvoln.
No information is given on its appearance.
- In the Web Novel, the composition of the maid outfit is described, however, in the Light Novel, its materials are omitted.