Daemon Spade's Devil Lens (D・スペードの魔レンズ, D Supedo no ma Renzu) is a weapon initially used by the First Generation Mist Guardian, Daemon Spade. It was said that he could curse anyone he glared at through this lens, and whoever was glared at through this lens would be found dead floating on the sea the next day. Through the latest Vongola technology, the 10th generation Guardians, Mukuro and Chrome, are able to use this weapon through their Box Animal. While Daemon's original lens only consist of a single black coloured lens, the Vongola Mist Owl transforms into a set of three Lenses with wings on each lens. These Lenses enable the user to see through Illusions and reveal the nature of attacks. When used by Mukuro, it grants him the additional ability to see the weaknesses and the status of