will lose their invisibility ability, eventually becoming opaque and vulnerable to penetration by various spells. Moody is known to possess two invisibility cloaks. One of these was borrowed by Sturgis Podmore in the course of work for the Order of the Phoenix. Barty Crouch Sr. possessed one as well, which he used to hide his son Barty Crouch Jr. to prevent him from being found and returned to Azkaban, the wizarding prison. Several times in the series, characters have been shown to either suspect or in some other fashion "sense" that Harry is wearing his cloak: Snape is seen to be suspicious when being followed by Harry, even reaching out to grab at (what appears to be) thin air; in Half-Blood Prince, Draco Malfoy realises Harry is in his train carriage and successfully immobilizes him with a Petrificus Totalus (Body-Bind) curse, as despite wearing his cloak Harry inadvertently moved objects near him; and in Chamber of Secrets, Albus Dumbledore senses Harry and Ron beneath it in Hagrid's cabin while talking to Lucius Malfoy during the event when Cornelius Fudge comes to take Hagrid to Azkaban and Lucius Malfoy hands over to Dumbledore his suspension letter. Dumbledore was able to sense Harry and Ron beneath the invisibility cloak by discreetly performing a non-verbal Human-presence-revealing Spell. Deathly Hallows The Deathly Hallows are three magical objects that are the focus of Harry Potter and the Deathly Hallows – the Elder Wand, the Resurrection Stone, and the Cloak of Invisibility. When owned by one person, they are said to give mastery over death. The objects are generally remembered only as part of a wizard's fairy tale called The Tale of the Three Brothers, and have become mythological over time, but a small number of wizards including Dumbledore still believe in their existence and seek them. According to J. K. Rowling, the story about how these objects came into existence is based upon Geoffrey Chaucer's The Pardoner's Tale. According to the tale, three brothers evaded Death, who gave them a choice of anything they wanted. The first brother chose a wand that could not be defeated in battle, the second brother asked for a way to bring back someone from the dead, and the third brother selected a cloak that made the wearer invisible, even to Death himself. Eventually, the first brother was killed, the second committed suicide, and finally, the third brother made Death