Avengers: Infinity War is centered on the struggle for the Infinity Stones; six gems of incalculable power, each of a different kind: Space, Time, Soul, Mind, Reality, and Power. The mad space god Thanos (Josh Brolin) wants them all. It’s up to the Avengers to stop him.

Five of the six stones have been seen throughout the Marvel Cinematic Universe; you probably spotted them all when you were watching The AvengersGuardians of the GalaxyDoctor Strange and more. But did you know that each stone reflects the theme of the Marvel movie it’s in? It’s true, and this new series of video essays by ScreenCrush’s Ryan Arey explains them all. This time: The Reality Stone, whose chaotic nature as “the aether” reflects the chaotic nature of the movie it’s featured in Thor: The Dark World. Watch our video above, and be on the lookout for more videos in the series leading up to the opening of Avengers: Infinity War on April 27.

If you enjoyed our Reality Stone video and are craving more on the Avengers and the Infinity Stones, check out some of the previous essays in this series below, plus our full 15 minute MCU recap that will remind you of everything you need to know before Infinity War. Plus, there’s tons more over at ScreenCrush’s YouTube channel. Be sure to subscribe to catch all our future episodes.

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