Reality Stone

The Reality Stone is one of the six Infinity Stones, the remnant of a singularity that predates the universe, which represents the fabric of reality. Liquified into a dark red fluid called the Aether (pronounced ēTHər), the Dark Elves and their leader Malekith intended to use it to bring eternal darkness upon all of the Nine Realms.[1]  Taken from the Elves by the Asgardians, it was later entrusted to the Collectorfollowing the conclusion of the Second Dark Elf Conflict.