The Cat Miraculous, also known as the Black Cat Miraculous, is a ring that, whenever Plagg inhabits it, transforms the wearer into a black cat-themed superhero with the power of Destruction.
To activate the ring, the user must speak the transformation phrase: "Claws Out". To deactivate the ring, the user must speak the detransformation phrase: "Claws In".
The ring is currently owned by Adrien Agreste, who uses it to transform into Cat Noir.
The ring has a thick band with a circle surface surrounded by a lining with four pointed diamond shapes on each diagonal side. When Adrien isn't Cat Noir, the ring is silver and the circle is blank. But when Plagg enters the ring while Adrien transforms, it becomes black and a glowing green cat paw print appears in the circle. After Cat Noir starts running out of power, each toe of the paw print will disappear one at a time as an indication of how much power and time he has left until he turns back.
In "Reflekdoll," when Marinette isn't Lady Noir, the ring is pink and the circle is blank. As Cat Blanc, the ring matches the rest of his appearance which is pure white.
The camouflaged of the ring when worn by Marinette.
Abilities
The Cat Miraculous grants its wielder incredible powers of superhuman speed, endurance, and strength. Its special weapon is a staff, which can be utilized as both a weapon and a communicator to other heroes. Its special superpower is Cataclysm, which gives the user the ability to damage or destroy an object, such as structures, akumas' hiding places, or metal bars. As long as the superpower isn't used, the wielder can remain transformed indefinitely. However, as soon as the superpower is used, the wielder's Miraculous weakens and the transformation usually wears off in about five minutes.[1]
If the Ladybug Miraculous and the Cat Miraculous are used together while also using a special invocation, the holder will achieve ultimate power. The person wielding them can make a wish that can alter reality. However, because the universe must maintain balance, every action has a reaction; for instance, a wish to become human would result in someone losing their humanity.
Power-Ups
After Plagg consumes one of several special potions, or a food made with one, and the wielder transforms, they are able to unlock a power-up, an additional specific ability granted by each potion. So far, only seven potions have been shown, each with a unique color:
The green potion transforms Plagg into "Aqua-Plagg" and grants the wielder the ability to breathe underwater and improves their swimming capability with flippers on the feet.
The light blue potion transforms Plagg into "Plagg Glacier" and grants the wielder the ability to move on the ice with ice skates on their feet.
The purple potion transforms Plagg into an unknown space forms and grants the wielder the ability to move freely and breathe in high altitudes and space.
A French teenage girl and an occasionally Cat Miraculous holder after an accidental incident. She used the Miraculous to transform into Lady Noire. Later, she unified it with the Mouse Miraculous to transform into Multinoir. She also unified it with the Ladybug Miraculous to transform into Bug Noire.
An American teenage girl and a temporary Cat Miraculous holder after Adrien, at Plagg's suggestion, renounces the Miraculous. She used the Miraculous to transform into Kitty Noire.
A French teenage boy and the current Cat Miraculous holder. Given to him by Master Wang Fu, Adrien is working to stop Hawk Moth and his supervillains. He uses the Miraculous to transform into Cat Noir. Later, he unified it with the Snake Miraculous to transform into Snake Noir and with the Rabbit Miraculous to transform into Rabbit Noir.
A famous French fashion designer and temporary Cat Miraculous holder after he found out Kitty Noire's identity and took the Miraculous from her. In an erased timeline, Gabriel acquires the Cat Miraculous and unified it with the Butterfly and Peacock Miraculouses to temporary transform into Shadow Noir.
The guardians of the Miraculouses. The Order protected the Cat Miraculous until the Mother Box was guarded by Su-Han and the incident with Fu's sentimonster.
The last known remaining guardian. He stored the Cat Miraculous in the Chinese Miracle Box when not in use, until he relinquishes his duty as guardian and lost his memory in the process.
A famous French designer who got the Cat Miraculous when Félix stole Ladybug's yo-yo, which contained all of the Miraculouses and gave them, along with Gabriel's ring, to exchange them for the Peacock Miraculous.
A French-Chinese teenage girl. After Wang Fu gave up his duty as a guardian and lost his memory in the process, Marinette became the new guardian of the Miraculous. She kept the Cat Miraculous in the Chinese Miracle Box when it was not in use, but she lost it when Félix steals her yo-yo to exchange all the Miraculous ones that were kept inside it with for the Peacock Miraculous. However, after Monarch was defeated in "Re-creation", she manages to recover the Cat Miraculous back to its original form and she gives it back to permanently.
In the theme song, the Cat Miraculous resides in the raised center of the Miracle Box with the Ladybug Miraculous, both their sections creating a yin-yang symbol inside the box.
The Cat Miraculous is in the yang section (like in every yin-yang symbol there’s also some of each in the other). Some of the things that yang represents are heat, light, dominance, and logic.
Black cats are a symbol of bad luck, although they do symbolize good luck in some countries, such as ancient Egypt.
The ring can fall off while the user is transformed, which causes the user to revert back to normal.
In the original Ladybug PV, the ring has a very different design. It is entirely black with a cat face, the cat having green jewels as eyes and a red diamond-shaped jewel on its forehead.
After decoding the spellbook under the Cat Miraculous page, one of the words translates to ruby which is one of the jewels in the PV version of the ring.
Also, during the time the PV was produced and before the Miraculous theme was introduced, the ring would bring bad luck to its holder — even when he or she is not transformed. Additionally, the ring can't be removed unless a special requirement is fulfilled, as how Félix Agreste would be able to only if Ladybug kissed him.[2]
In "Volpina", Cat Noir's legacy also dates all the way back to Ancient China.
According to the official Miraculous Ladybug Tumblr blog, there will be more holders of the Cat Miraculous revealed.[3]
If the person possessing the Cat Miraculous used it for evil, it would be "even more than [extremely dangerous]."[4]
For a staged battle for Mr. Damocles as the Owl in "The Dark Owl", Marinette creates a fake replica of the Cat Miraculous, which she later uses to trick Mr. Damocles' akumatized form and Hawk Moth.
In "Frightningale" Plagg thinks the bell on Adrien's costume is ridiculous, and he points out that such costume is what Adrien really wants deep down.
In "Style Queen", since Plagg mentioned having a Miraculous owner for 5000 years it's revealed that Cat Noir's legacy is over 5000 years old.
Sometimes the Cat Miraculous is called The Ring of the Black Cat.
In "Reflekdoll", after an incident causes a mix up of the miraculous, Marinette Dupain-Cheng uses the Cat Miraculous to turn temporarily into Lady Noir.
In "Kwamibuster", in order to defeat the titular villain and to save the kwamis she had captured, Multimouse (Marinette with the Mouse Miraculous) combines the Cat Miraculous with hers, becoming Multinoir.
As Lady Noir and Multinoir, Marinette is, so far the first known female to wield the Cat Miraculous.
As of "Cat Blanc", the Cat Miraculous is the fourth jewel to be seen in an akumatized form following the Bee, Fox and Turtle Miraculouses.
Unlike the other 3 jewels the akuma didn't land inside the ring.