<Dd> Formed by the Dark Elf Malekith into a fluid - like weapon called the Aether, it is said to be able to destroy the Nine Realms and return the universe to its pre-Big Bang state . The Asgardians entrust the Aether to the Collector at the end of Thor: The Dark World to separate it from the Tesseract, as they consider it unwise to have multiple Stones close together . The Aether, when bonded with a host, can turn anything into dark matter, and is capable of sucking the life force out of humans and other mortals . In Avengers: Infinity War, Thanos lays waste to Knowhere and takes the Reality Stone from the Collector . </Dd> <Ul> <Li> Power Stone (Purple): </Li> </Ul> <Li> Power Stone (Purple): </Li> <Dl> <Dd> The Power Stone is contained within an orb that Ronan the Accuser seeks to find for Thanos in Guardians of the Galaxy . It is capable of destroying entire civilizations, and Ronan tries to use it to destroy the planet Xandar . The Guardians of the Galaxy stop him and entrust the stone to the Nova Corps for safekeeping . Before the events of Avengers: Infinity War, the Power Stone is the first to be obtained by Thanos, as Thor informs the Guardians that his army has decimated Xandar . </Dd> </Dl>

Who has the purple and blue infinity stone