Metamaterial cloaking is the usage of metamaterials in an invisibility cloak. Retaining a magical cloak alongside some mystical abilities beyond that, such as teleportation and invisibility. Dumbledore freezes Harry under his Invisibility Cloak to keep him hidden. A cloak of invisibility is a fictional theme. These skills range from invisibility, virtual invulnerability or even time travel. Other compartments contain spellbooks, Dark Detectors, and Moody's Invisibility Cloak. However, he plans to keep the Invisibility Cloak he inherited. Siegfried, using his cloak of invisibility, aids Gunther in each task. Also, experiments have been conducted to use calcite for a cloak of invisibility. There are issues to be dealt with to achieve invisibility cloaking. There are several theories of cloaking, giving rise to different types of invisibility. Moody is also known to possess two invisibility cloaks. This control over her molecular structure also gives her the abilities of invisibility and intangibility. He is incredibly powerful, demonstrating amazing magic powers such as flight, invisibility and shapeshifting. Mary finds herself able to perform advanced spells such as invisibility.