Dropped by Dochul and Ananta; also exchanged (untradeable) for 5,000,000 nyang plus 9,000 Baeksanghoe friendship (Secret Mansion), or crafted by a level-210 jeweler from 5 enhanced obsidian, 50 dark iron, 20 dark crystals and 20 malevolent spirit souls plus 20 polishing powders for 30,000,000 nyang.