The Nightosphere Amulet is a magical amulet that is originated from the alternate dimension known as the Nightosphere. It first appeared in the episode "It Came from the Nightosphere" of Adventure Time as part of Hunson Abadeer's clothing. During the episode "Return to the Nightosphere", it was revealed to be a removable amulet that Hunson was wearing that gave him his powers. It has the ability to turn anyone who wears it into the most evil and powerful demon in the Nightosphere.