Antoine

Gate of the Petals (華の鍵, Hana no kagi): The Gate of the Rose Key is a crystal-type Gate Key used by Celestial Spirit Wizards in order to summon the Petal, Rose. The three-and-a-half-inch-long key is described to be a regular crystal key, resembling a rose. The bow of this key resembles the flower, as the engravings on it represent rose petals. The stem seems to be a regular straight stem with the exceptions of several thorns appearing on the sides. The stem becomes more narrow as is approaches the tip, making the tip of the blade sharp. Near the very end of the blade, several rose leaves emerge from the blade and are parallel to the petals. By chanting, "’’Open, Gate of the Petals!’’", a Celestial Spirit Wizard is capable of summoning Rose, a young-looking girl with ash-grey hair, dressed in a seductive red dress, surrounded by various types of flowers that radiate sweet smell. Although she appears to have a fragile frame, she’s one of Arthur’s more powerful spirits. She has demonstrated to be able to manipulate plants, wood and flowers  by her will in order to achieve a desired effect, making her a highly qualified combatant. She is also able to conjure the above to use as well. She is kind and cares about other people, especially Arthur.
 * Gate of the Ram Key (牡羊の鍵, Ohitsuji no Kagi): The Gate of the Ram Key is one of the twelve famous Zodiac Gate Keys, this one, in particular, represents the Ram; Aries. The key is depicted to be an ordinary golden key with the crest of the Ram, a symbol reminiscent of a ram's head with horns sprouting out of the top, stamped on its bow; the top of the key sculpted to look similar to a ram's head with horns sprouting out of either side. The centre of the bow is a white heart stamped with the crest of the Ram, coloured pink. The blade of the key's design seems to be derived from a ram's curled horns, with the very bottom appearing to be a hoof. While in possession of this key, a Celestial Spirit Mage is able to summon the Ram, Aries, by reciting, "Open the Gate of the Ram!" and holding the key in front of them. As a result, numerous glowing orbs erupt from the tip of the blade, forming a young girl dressed in wool clothes in front of the mage. Aries specializes in Wool Magic and Fire Magic. Arthur has acquired his key as a reward for a quest he did a year after he has joined Koma Inu. Even though Aries is fairly new, Arthur and herself get along well and have already formed a strong bond.
 * Gate of the Archer Key (射手の鍵, Ite no Kagi): The Gate of the Archer Key is one of the twelve Zodiac Gate keys used by Celestial Spirit Mages to summon the Archer, Sagittarius. In the Manga, the key is depicted to be an ordinary golden key with the crest of the Archer, an arrow crossed with a line near the triangular tail, stamped on its bow. The bow of the key is circular with a white circle in the middle, stamped with the crest of the Archer, colored in green while the handle and blade are designed to look like an arrow. While in possession of the key, a Celestial Spirit Mage may be able to summon the Archer Sagittarius by reciting the quote, "Open the Gate of the Archer! Sagittarius!". This summons Sagittarius, a fair-skinned man with horse legs, carrying a bow with a quiver of arrows strapped to his back. Sagittarius is a proficient archer, capable of hitting pretty much anything he can see.
 * Gate of the Heavenly Scales Key (天鱗の鍵, Tenrin no Kagi): The Gate of the Heavenly Scales Key is one of the twelve Zodiac Gate keys used by Celestial Spirit Mages to summon the Heavenly Scales, Libra. Libra's key is a gold key with a very decorative bow. The center of the bow features the crest of the heavenly scales. The end of the key's blade appears to be a thicker variation of the symbol, also resembling a horseshoe. The derivative of the design of gleaming circles on the sides of the bow and the top of the handle appears to be the pans of scales, which is what Libra utilizes in combat. While in possession of the key, a Celestial Spirit Mage may be able to summon the Heavenly Scales Libra by reciting the quote, "Open the Gate of the Heavenly Scales! Libra!". This summons Libra, who is able to use Gravity Change, allowing her to alter the gravity surrounding her target(s).


 * Gate of the Paper (紙の鍵, Kami no kagi): The Gate of the Paper Key is a crystal-type Gate Key used by Celestial Spirit Wizards in order to summon the Paper, Charta. The three-and-three-quarter inches long key, designed to resemble an origami, is a regular crystal-type key. The bow is shaped like an origami lion's head that appears to be roaring and has extremely sharp edges. The stem is cylindrical and doesn't narrow as it reaches the tip of the blade. On the stem are various origami motifs. An origami crane rises near the end of the blade, also with very sharp edges. The Celestial Spirit Wizard is capable of summoning Charta by grabbing the key and holding it in front of themselves as they chant, "Open, Gate of the Paper!", resulting in the appearance of a girl with long blue hair that reaches her ankles, decorated with many pieces of paper, wearing a short white dress. Upon taking the colourful pieces of paper from her hair, she is able to change their volume in order to create a desired effect, making her a highly potent combatant. She blames herself for death of Arthur's mother, since she was unable to protect her. Because of this, she vows to protect Arthur at any cost, even her life.
 * Gate of the Black Cat (黒猫の鍵, Kuro neko no kagi): The Gate of the Black Cat Key is a Crystal-type Gate Key used by Celestial Spirit Mages to summon the Black Cat, Bastet. The four-and-one-quarter inches long key is depicted to be a regular crystal key resembling a cat. The bow is shaped like a cat's head that appears to be hissing, it has extraordinary sharp edges on which the summoner could easily cut themselves if they’re not paying attention. The stem appears to be designed like four twisted strings and doesn't narrow at the tip. The tip itself has a different design, looking like a cat's paw with claws pointing in the opposite direction than the head. The Celestial Spirit mage can summon Bastet while chanting, "Open, Gate of the Black Cat!". As a result, a young girl dressed in a black dress with cat-like ears appears in front of the summoner. Bastet specializes in Darkness Magic, allowing her to manipulate coloured shadows in order to get desired effects. In addition, she can transform herself into an actual black cat. While in this state, she doesn't radiate as much magical energy and easily gets unnoticed by sensors. She and Arthur have a strong relationship.
 * Gate of the Warrior (戦士の鍵, Senshi no kagi): The Gate of the Warrior Key is a hybrid type Gate key, but resembles a crystal-type the most. The key was originally a full crystal type, but upon breaking the tip, Arthur fixed it by infusing a small part of Topaz with the broken key. It resembles a normal looking key with a common elliptical bow, cylindrical stem and normal cuts, only the top part is light blue, while the rest is orange. A Celestial Spirit Wizard is able to summon Zaha by chanting, "Open, Gate of the Warrior!", and holding the key in front of him. The result is the appearance of a young man, dressed in a ninja suit with a katana on his back. Zaha is capable of combining Air and Gravity  in order to create a unique technique, Pressure Magic. In addition, he is able to change the katana for a dual-edged sword glowing radiant red and green, each one with unique sets of abilities. Both Arthur and Zaha state that they're best friends and Zaha is often summoned just to hang out.

The Behemoth of Jupiter: Tonrerre (木星の巨獣, Mokusei no kyojū): Behemoth of Jupiter is a Planetary type gate key used by celestial spirit mages to summon Tonnerre, the Behemoth of Jupiter. Self-absorbed, higher-than-thou, superior, powerful, superstitious, these are all words which perfectly describes the Behemoth of Jupiter. Tonnerre is the self-proclaimed leader of the Behemoths, and he wastes no time to assert his authority. He does this on the basis that he is the most powerful of all the Behemoths, surpassing all of them in magical prowess. Tonnerre carries a particular hatred towards Selene and Dahaka due to their abundant use of illusions as he deems it a cowardly practice. Tonnerre specializes in the usage of Lunar Magic for offensive means as well as see through illusions and rip them to shreds. More than that, he also possesses Cosmic Magic which allows him to make use of the full might of the cosmos to vanquish his foes.


 * Gate of the Minor Fox (軽微狐の鍵, Keibi kitsune no kagi): The Gate of the Minor Fox Key is a silver-type gate key utilised by Celestial Spirit Mages in order to summon the Minor Fox, Vulpex. The key has a standard silver design, square shaped bow, cylindrical stem and standard blade tip with teeth. There is a fox's paw crest on the bow, as well as on the teeth. A Celestial Spirit Mage is capable of summoning Vulpex by reciting, "Open, Gate of the Minor Fox!", while holding the key in front of himself, resulting in a cuddly, white-furred fox with red ornaments on its fur appearing in front of the mage. The Fox also seems to be wearing a pair of bells around his neck, which are commonly heard when he uses his Fire Magic, that is, the ability to conjure and manipulate fire. Even though he's small, he has shown to be fierce when it comes to battle. He will act as a guardian, protecting his friend from any harm. Vulpex is said to be the third spirit Arthur made contract with.
 * Gate of the Wings (翼の鍵, Tsubasa no kagi): The Gate of the Wings Key is a silver-type gate key used by Celestial Spirit Mages while summoning the Wings, Fairy. The key has a simple silver design, elliptical bow, cylindrical stem and standard blade with wings as teeth. There is a wing crest on the bow, as well as a pair of silver angelic wings on the sides of the bow. A Celestial Spirit Mage is able to summon Fairy by chanting, "Open, Gate of the Wings!", and holding the key in front of them. The outcome of this action would be a young girl with long green hair that reaches her ankles with a pair of fairy wings on her back. She specializes in Fairy Magic; allowing her to perform a variety of attacks with Fairy Dust for offensive purposes, Prayer Magic; that allows her to boost the abilities of her allies, and Transformation; granting her the ability to change her physical appearance, mainly used for changing her size. Arthur believes that his bond with Fairy is the strongest one, since she was the first spirit he made contract with.
 * Gate of the Heavenly Bird (天国鳥の鍵, Tengoku tori no kagi): The Gate of the Heavenly Bird Key is a silver-type gate key used by Celestial Spirit Mages in order to summon the Heavenly Bird, Apus. The key has a standard silver-type design, its bow is squared, the stem is cylindrical and the tip of the blade appears to represent a katana. A feather symbol is embedded on the bow, alongside several feather ornaments on the blade. A Celestial Spirit Mage is able to summon Apus by holding the key in front of them and reciting, "Open, Gate of the Heavenly Bird!". As a result, a young pale boy with a pair of giant bird-like blue wings holding a katana in his right hand. He is skilled in using it and can inflict powerful slashes on his enemies. In addition, Apus is able to generate and manipulate dark blue feathers, allowing him to change their volume, density and hardness, causing them to become potentially lethal. Arthur received this key upon reaching his eighth birthday, making it his second spirit to make a contract with.
 * Gate of the Dove (鳩の鍵, Hato no kagi): The Gate of the Dove Key is a silver-type key used by Celestial Spirit Mages in order to summon the dove, Lola. The key has a standard silver-type design. The bow of the key is elliptical, the stem is cylindrical and the tip of the blade represents a beak. There is a small heart embedded on the bow. This key allows a Celestial Spirit Mage to summon the dove, Lola, by reciting, "Open, Gate of the Dove!", while putting the gate key in front of him. The result is the appearance of a young girl dressed in silky clothes with angelic wings, carrying an olive branch in her right hand. Lola specializes in Healing Magic and Repair Magic, allowing her to prevent unnecessary damages to both organic and non-organic matter. The two have an excellent relationship, since she treats him like an older sister. She often hits him and calls him an idiot while duelling someone.
 * Gate of the Horse (馬の鍵, Uma no kagi): The Gate of the Horse Key is a silver-type key that can be used by Celestial Spirit Mages to summon The Horse, Arion. The key itself has a typical silver-type design. The bow is circular, the stem cylindrical and the tip is pointy. There is a horseshoe stamped on the bow. This key allows Celestial Spirit Mages to summon the Horse, Arion, by chanting, "Open, Gate of the Horse!", while holding the key in front of them. As a result, small green laming orbs erupt from the tip of the blade and form a horse with white fur, capable of transforming into a Pegasus. Arion specializes in High Speed Magic and is Arthur's main form of transportation. He is also one of the older spirits who formed a contract with.


 * Gate of the Southern Cross Key (南十字の鍵, Minamijūji no Kagi): The Gate of the Southern Cross Key is a Celestial Spirit Gate Key used by Celestial Spirit Mages to summon the Southern Cross, Crux. The key is depicted to be an ordinary silver key with the crest of the Southern Cross, a simple cross, stamped on its bow. The bow is designed similar to a cross with the crest, coloured in green, at the center on top of a white diamond-shaped center. The blade of the key is of simple design, shaped like a cross. While in possession of the key, a Celestial Spirit Mage may be able to summon the Southern Cross with the incantation "Open, Gate of the Southern Cross!" Crux, a Celestial Spirit with a cross for a head who is capable to know all information concerning Celestial Spirits and their Mages, through the use of Archive.
 * Gate of the Compass Key (磁石の鍵, Jishitsu no Kagi): The Gate of the Compass Key is a Celestial Spirit Gate Key used by Celestial Spirit Mages to summon the Compass, Pyxis. The Gate of the Compass key is a silver Celestial Spirit Key bearing the crest of the Compass. While in possession of the key, a Celestial Spirit Mage may be able to summon the Compass Pyxis by reciting the quote, "Open, Gate of the Compass!". This summons Pyxis, a bird-like Celestial Spirit capable of pointing out the cardinal directions.
 * Gate of the Black Swan Key (白鳥の鍵, Hakuchō no Kagi): The Gate of the Black Swan Key is a Celestial Spirit Gate Key used by Celestial Spirit Mages to summon the Swan, Deneb. The key is a silver key with a simple design. The bow is designed similar to a swans wing and tail feathers with the crest in the middle. The blade is of simple design, shaped like a swan with several blue orbs. While in possession of the key, a Celestial Spirit Mage may be able to summon the Swan Deneb by reciting the quote, "Open, Gate of the Swan!". This summons Deneb, a pessimistic spirit capable of using Lightning Magic to strike his target(s).
 * Gate of the Lyre Key (竪琴の鍵, Tategoto no Kagi) The Gate of the Lyre Key is a Celestial Spirit Gate Key used by Celestial Spirit Mages to summon the Lyre, Lyra. The key is still depicted as silver but is designed more intricately. The bow is circular and bears the crest of the Lyre on its center, colored blue. The blade of the key ends in a simple design, similar to other silver keys. While in possession of the key, a Celestial Spirit Mage may be able to summon the Lyre Lyra by reciting the quote, "Open Gate of the Lyre!". This summons Lyra, a Celestial Spirit mostly used for recreational purposes due to her beautiful voice.
 * Gate of the Chisel Key (鑿の鍵, Nomi no Kagi): The Gate of the Chisel Key is a Celestial Spirit Gate Key used by Celestial Spirit Mages to summon the Chisel, Caelum. The key is depicted to be an ordinary silver key with the crest of the Chisel stamped on its bow. The bow is circular and bears the crest of the Chisel on its center, colored green. The blade of the key ends in a simple design, similar to other silver keys. While in possession of the key, a Celestial Spirit Mage may be able to summon the Chisel Caelum by reciting the quote, "Open Gate of the Chisel!". This summons Caelum, a robotic Celestial Spirit that can be used as a sword or laser.
 * Gate of the Bear Cub Key (小熊の鍵, Kaguma no Kagi): The Gate of the Bear Cub Key is a Celestial Spirit Gate Key used by Celestial Spirit Mages to summon the Bear Cub, Polaris. Polaris' key is of simple design similar to other silver keys. The bow is shaped like a bear cub's head with an upside-down white heart, at the center is a yellow orb within a silver diamond. The blade is of simple design, shaped as a four tipped snowflake with several yellow orbs. While in possession of the key, a Celestial Spirit Mage may be able to summon the Bear Cub Polaris by reciting the quote, "Open Gate of the Bear Cub!". This summons Polaris, a giant mechanical pink bear capable of stopping enemies with its huge size.


 * Gate of the Totem (強の鍵, Tsuyo no kagi): The Gate of the Totem Key is a silver-type key used by Celestial Spirit Mages in order to summon the totem, Nebula. The key has a standard silver-type design. The bow of the key is elliptical, the stem is cylindrical and the tip of the blade is serpentine-like. There is a small cloud embedded on the bow. This key allows a Celestial Spirit Mage to summon the Totem, Nebula, by reciting, "Open, Gate of the Totem!", while putting the gate key in front of them. The result is the appearance of a serpentine-like statue made of jade and gold. Several golden rings float around its body. The spirit appears to be immobile and can be considered useless without Dreina, as Nebula is a physical manifestation of Dreina's empowerment.
 * Gate of the White Rabbit (白うさぎの鍵, Shiro usaga no kagi): The Gate of the White Rabbit Key is a silver-type gate key used by Celestial Spirit Mages in order to summon the White Rabbit, Lepus. The key has a standard silver-type design, its bow is squared, the stem is cylindrical and the tip of the blade appears to represent a rabbit's paw. A hat symbol is embedded on the bow, alongside several paw ornaments on the blade. A Celestial Spirit Mage is able to summon Lapus by holding the key in front of them and reciting, "Open, Gate of the White Rabbit!". As a result, a young silver-haired boy with bunny ears appears in front of Arthur. Lepus specializes in Clairvoyance and is a somewhat proficient hand-to-hand combatant.
 * Gate of the Trembling Earth Key (水の地球, Chikyū no kagi): The Gate of the Trembling Earth Key is an elemental-type Celestial Spirit Gate Key used by Celestial Spirit Mages in order to summon Gnaeus, The Trembling Earth. The key has a rather normal design, the standard for one Earth Key. It appears to be made of small chunks of Jasper, giving it an earth-crust like texture. The bow is circular and has small chunks of emerald embedded with it, forming the Greek letter gamma. The stem appears rather fragile due to it being thin but is actually quite durable thanks to the material it’s built from, jasper. The blade doesn’t have any special features and resembles numerous silver keys. While in the possession of this key, a Celestial Spirit Mage summon the Trembling Earth, Gnaeus, while holding his key and chanting “Open, Gate of the Trembling Earth!”. As a result, a myriad of green orbs are released from the key’s blade and they then proceed to descend into the ground, seemingly creating a bulky middle-aged man, who, on several occasions, took the appearance of a mountain stag with large proud horns. Being an S-Class Elemental Spirit, Gnaeus is rather potent with geokinetic abilities, being capable of conjuration and manipulation of Earth in all of its forms, from mud to dust. His proficiency in Earth Magic is said to rival that of Capricorn.
 * Gate of the Rumbling Winds: Summons Ao, Air Spirit. S-Class. She specializes in Air Magic. n/e
 * Gate of the Luminous Grace: Summons Lumina, Light Spirit. S-Class. She specializes Light Magic. n/e

Rings
Rings are magical items used via ring magic. There are many different types of rings, each granting a different magic with which to manipulate, from creating vortexes to healing major wounds. Currently, Arthur possesses three rings, one on his left hand and the other two on his left. Their primary weaknesses are their long recharge times.
 * Nature Ring: Has the ability to manipulate the five basic elements; Earth, Water, Air, Fire and Lightning. Depending on the stance of the ring, Arthur will gain the ability of minor telekinetic manipulation of the respective element, as well as a passive, barely noticeable feature that he can toggle at will. Only one stance can be activated at any time, to change stances, Arthur must rotate the head of the ring to select the appropriate element. Arthur wears on his left index-finger.
 * First stance of the Nature Ring! Water Stance!: Water stance is Nature Ring's first stance. This stance can be activated by rotating the blue-coloured crystal on top, making water the dominant element. Upon doing such, the ring radiates blue light, accompanied with several small bubbles, that starts enveloping the wearer's hand. While in the Water stance, the ring grants the user hydrokinetic abilities, as well as augments the effect of healing performed by and done on the wearer. Additionally, while in the Water stance, Nature Ring is said to negate every fire-based attack.
 * Second stance of the Nature ring! Earth Stance!: Earth stance is the second stance of Nature Ring. This stance can be activated by rotating the green-coloured crystal on top, making earth the dominant element at given moment. Upon doing such, the ring radiates a green aura that then surges around the wearer's hand. While in the Earth stance, the ring grants the user geokinetic abilities and is said to absorb a portion of incoming damage, regardless whether it's physically or magically based. Additionally, while in the Earth stance, Nature Ring is said to negate every lightning-based attack.
 * Third stance of the Nature Ring: Fire Stance!: Fire Stance is Nature Ring's third stance that can be activated by rotating the red-coloured crystal on top. That action makes fire the dominant element at given moment. Upon doing such, the ring radiates a fiery-red aura, in addition with some heat, that rapidly starts swirling around the wearer's fist. While in the Fire stance, the ring grants the user pyrokinetic abilities, as well as a minor boost in the wearer's attacks, especially fire-based ones. Additionally, while in the Fire stance, Nature Ring is said to negate every ice-based attack.
 * Fourth stance of the Nature Ring! Air Stance!: Air stance is the fourth stance of Nature Ring. This stance can be activated by rotating the transparent/white-coloured crystal on top, making air the dominant element. Upon doing such, light-blue aura is expelled from the ring, accompanied with a small air current that is formed around the wearer's fist. While in the Air stance, the ring grants the user aerokinetic abilities, as well as coats the wearer's body with a 'layer' of the air current. This feature enables the wear to move around quickly, increasing both speed and reflexes of the one wearing it. Additionally, while in the Air stance, Nature Ring is said to negate every earth-based attack, turning earth into dust.
 * Fifth stance of the Nature Ring! Lightning Stance!: Lightning stance is Nature Ring's fifth and final stance. This stance can be activated by rotating the yellow-coloured crystal on top, making lightning the dominant element. Upon doing such, the ring radiates yellow aura with several lightning bolts that start surging around the wearer's fist. While in the Lightning stance, the ring grants the wearer electrokinetic abilities, keening the wearer's reflexes upon doing so. Additionally, while in the Lightning stance, Nature Ring is said to negate every water-based attack.


 * Hypnotic Ring: The Hypnotic Ring is a magical ring used to summon a bubble of sleep magic which flies towards the target until it makes contact, at which point, the bubble releases all of the energy and inflicts the target with a magic powerful enough to put a grown man to sleep. The ring is gold with a cloud emblem on the head, the letters, “Zzz”, are engraved onto the cloud. The ring is able to store energy via an internal lacrima. This lacrima constantly absorbs and stores negative and dark energy from the environment it is in. The lacrima can then, when required, release all the energy into the aforementioned attack. The ring takes roughly 24 hours to recharge, depending on the environment it is in. Arthur wears it on his left ring-finger.
 * Healing Ring: The Healing Ring is a magical ring used to summon a bubble of healing magic which flies towards the target until it makes contact, at which point, the bubble releases all of the energy and heals the target with a magic powerful enough to heal most cuts and even fractures. The ring is gold with a heart emblem on the head, a plus symbol is engraved onto the heart. The ring is able to store energy via an internal lacrima. This lacrima constantly absorbs and stores positive and light energy from the environment it is in. The lacrima can then, when required, release all the energy into the aforementioned attack. The ring takes roughly 24 hours to recharge, depending on the environment it is in. Arthur wears it on his right ring-finger.
 * Celestial Ring: The Celestial Ring is a magical ring used to channel and expel Celestial Energy outwards. The ring is said to be forged decades ago by an unknown Celestial Spirit Mage who used a broken gate key as ore to forge the said ring. The ring as such can be used as a medium for Celestial Energy without any actual energy spent, as the ring uses Celestial Energy originating from Celestial Spirit World. It looks like a standard golden ring with the inscription Celestial Emperor written on the inside of it. Arthur wears it on his right index-finger.
 * Interspatial Ring: A simple ring worn on Arthur's fourth finger of his right hand that appears to be grey in colour with silver outlining, alongside blue pattern prints. The ring provides access to a pocket dimension. The owner of the ring can store and retrieve anything he wants using the Interspatial Ring, similar to how the magic Requip works. The limitations of this ring are still unknown even to Arthur himself, as he doesn't store much equipment. Arthur wears it on his right middle-finger.
 * Force-Field Generating Ring: A moderate ring that appears to be made of glass, Force-Field Generating Ring was forged by an unknown Arthur's ancestor, and as the name implies, grants its bearer force-field manipulating skills. There are several crystal-like lacrimas imbued in the ring, breaking its monotony, figuratively speaking. Arthur wears it on his left middle-finger.
 * Acceleration Ring: A simple-looking silver ring, Acceleration Ring has a small clock-handle engraved on it, signifying it's association with Acceleration Magic, that is, the magic which allows Arthur to accelerate and decelerate any object he desires. Several light-blue lacrimae are imbued with the ring. Arthur wears it on his left pinky finger. n/e
 * Telekinetic Ring: n/e