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This object exists primarily or exclusively within the Sonic the Hedgehog (film series) continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.

Ages ago, a fearsome group of warriors, known as the echidnas, forged the seven Chaos Emeralds into the most unstoppable weapon ever created.

Miles "Tails" Prower, Sonic the Hedgehog 2 (film)

The Master Emerald[1] is an object that appears in the Sonic the Hedgehog film series produced by Paramount Pictures and its spin-offs. It is a large green gem of ultimate power with the ability to turn thoughts into reality. Those that who harnesses the Master Emerald will be granted the ability to build and destroy civilizations.[2]

The most powerful weapon in the universe, the Master Emerald was forged ages ago by the echidnas with the seven Chaos Emeralds. However, the Master Emerald's power proved so great that the owls would steal it from the echidnas and hide it away on Earth, sparking a centuries-long feud between those two factions. In the present day, the Master Emerald was seized by Dr. Robotnik, who began exploiting its power, until it was retrieved by Sonic, Tails, and Knuckles, albeit with the Chaos Emeralds separated from it, who formed a new order to safeguard it.



The Master Emerald's design is based on a diamond cut green crystal. Within its crystalline body, light and smokey ripples can be seen. It is roughly the size of a basketball.

Powers and traits

The emerald has the power to turn thoughts into reality.

Longclaw, Sonic the Hedgehog 2 (film)

Said to have the power to build and destroy civilizations,[2] the Master Emerald is described as the ultimate power and the most unstoppable weapon ever created; with it, a single warrior is granted enough power to defeat entire armies single-handedly.

The Master Emerald's principal power is its ability to turn the thoughts of its wielder into reality. In addition, it can be absorbed by its wielder. When absorbed, the Master Emerald will bestow its wielder with god-like power, making them, as described by Dr. Robotnik, all-powerful, all-knowing, and all-seeing. In Robotnik's case, he would demonstrate abilities such as telekinesis, heighted senses, flight, energy manipulation, teleportation, and technokinesis. However, as demonstrated by Knuckles, the Master Emerald can be forced out of the wielder who has absorbed it with a sufficient chaos energy-infused strike.

The Master Emerald is not indestructible; after being used by Robotnik and falling out of the Giant Eggman Robot, the Master Emerald would lose its luster and break into pieces and release the seven Chaos Emeralds. However, in Knuckles' hands, the Master Emerald can be repaired by regathering its shards and fusing them back together.

Since losing the Chaos Emeralds, it is unknown if the Master Emerald still retains its full capabilities, or if they have been diminished in some way.


Film series


The Chaos Emeralds being forged into the Master Emerald, from Sonic the Hedgehog 2 (film).

Ages ago, the echidnas forged the seven Chaos Emeralds into a single gem and the most powerful weapon ever: the Master Emerald. While having good intentions to safeguard the Master Emerald from the forces of evil, the echidnas did not hesitate to abuse its power, which they would use to defeat entire armies. Deeming it too dangerous for anyone to possess such power, another order of heroes, the owls, launched an attack against the echidnas, and despite their powerful opposition, they were able to seize the Master Emerald and escape with it. The owls would then hide the Master Emerald away on Earth to keep it from falling into the wrong hands, hiding it away inside a great undersea temple labyrinth filled to the brim with traps hundreds of miles away from Hawaii. Furthermore, they would stow away the compass that could lead to the Master Emerald's temple away in another temple inside a cavern in the mountains of eastern Siberia.

While battling the echidnas over the centuries for the Master Emerald, the dwindling race of owls would safeguard the Master Emerald's location, until only Longclaw was left as its guardian. In the event that something happened to her, she left a recording for Sonic the Hedgehog, her apprentice, in which she would pass the duty of protecting the Master Emerald down to him. After both orders were destroyed, with Knuckles being left as the sole survivor of the echidnas, he sought to find Sonic, kill him, and restore the Master Emerald to its rightful owners.

Sonic the Hedgehog 2

The Master Emerald was soon found within its temple labyrinth by Dr. Robotnik and Knuckles the Echidna. However, Sonic would intervene and fight Knuckles to prevent the pair from getting the Master Emerald. However, Robotnik would betray Knuckles and take the Master Emerald for himself while Sonic and Knuckles were busy fighting. Empowered by the Master Emerald, Robotnik used its power to teleport back to the Mean Bean Coffee Café in Green Hills, where he ended up using his Master Emerald-derived power to construct, steer and power the Giant Eggman Robot for himself and Agent Stone in order to deal with Guardian Units of Nations.

The broken Master Emerald, revealing some Chaos Emeralds, from Sonic the Hedgehog 2 (film).

During his subsequent battle with Sonic, Tails and Knuckles, Robotnik literally had the Master Emerald punched out of him by Knuckles when he and Tails managed to infiltrate the Giant Eggman Robot thanks to a distraction provided by Sonic. After the Master Emerald fell out of the now-depowered Giant Eggman Robot, an injured Sonic managed to get a hold of it before being saved from being stomped upon by the auxiliary-powered Giant Eggman Robot by Tom and Maddie Wachowski. After the Giant Eggman Robot managed to flip over the trio's escape truck however, Sonic tried to use the Master Emerald to stop Robotnik, only for the Emerald to break and fall apart, releasing the Chaos Emeralds. Fortunately, Sonic was able to use the Chaos Emeralds instead to become Super Sonic and defeat Robotnik and his robot. After the fight, Knuckles repaired the Master Emerald by gathering its shards and fusing them together. Sonic, Tails, and Knuckles then decided to form a new order to protect the Master Emerald from evil, in honor of both the owls and the echidnas.

Later, Sonic, Tails, Knuckles, Tom, and Maddie brought the Master Emerald with them to a baseball game, keeping it in a cooler. Although they completely forgot about the Master Emerald when they left, Sonic quickly returned to retrieve it.


  • The Master Emerald's design is relatively identical, albeit notably smaller compared to its mainline counterpart.
  • During her pre-recorded message, Longclaw states that the Master Emerald can "transform thoughts into reality". This is a reference to Silver's story from Sonic the Hedgehog (2006), where Blaze describes the abilities of a Chaos Emerald similarly. Later in the movie, Sonic repeats an exact quotation of Blaze.






See also


  1. Jorgensen, Tom (11 December 2021). Sonic the Hedgehog 2 Director Confirms Which Emerald Appears in the Trailer. IGN. Archived from the original on 11 December 2021. Retrieved on 12 December 2021.
  2. 2.0 2.1 Database Name: Copyright Catalog (1978 to present). WebVoyage Record View 1 (19 May 2021). Archived from the original on 19 May 2021.