One of the seven Millennium Items from Yu-Gi-Oh!. Grants the user the ability to perform the "judgment game" shadow game, which involves weighting the victim's soul against Ma'at's feather to measure the weight of their sins. Should the victim's sin be heavier than the feather, they will be killed by Ammit as a result.
It was initially owned by Shadi before being taken by Yami Bakura.