Caster (Fate/Prototype: Fragments)

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Nasuverse character





Japanese name: キャスター
Franchise: Fate
Appears in: Fate/Grand Order
Fate/Prototype: Fragments of Blue and Silver
Japanese VA: Shinichiro Miki
Character type: Servant (Master: Manaka Sajyou)

Servant (Master: Protagonist)

Servant classes: FGO Caster
Gender: Male[1]
Height: 183cm[1]
Weight: 65kg[1]
Place of Origin: Europe[1]

Caster (キャスター, Kyasutā?) is the Caster-class Servant of Misaya Reiroukan's father in the First Holy Grail War of Fate/Prototype: Fragments of Blue and Silver. He later forms a new contract with Manaka Sajyou. He is able to be summoned by the Protagonist in the Grand Orders of Fate/Grand Order.



Caster's True Name is Paracelsus von Hohenheim (ヴァン・ホーエンハイム・パラケルスス, Van Hōenhaimu Parakerususu?), a legendary physician turned alchemist. At the 16th Century, he is known as a historic figure from the Renaissance Period.[1]

He is known for creating the original Azoth Sword. Not only did his (re)discovery of the four elements (with the potential fifth) and three metallic principles help advancement of Magecraft, he also used his knowledge in alchemy to help common folk with no connection to magic. Unfortunately, this ultimately caused him to get killed.

He left behind many achievements and books such as the "rediscovery of the four (five) elements" and the "rediscovery of the three humors". A rare individual who went down in both human and magic history.[1]


Caster's outfit resembles that of a traditional white tailed lab coat with unique modifications. The coat possess a raised collar that descends down the coat as large v-cut and black epaulets on its shoulders which can change to include yellow marks as Caster ascends, a trait shared by the sleeves of the coat.

Under the coat, Caster wears what appears to be a dark blue turtle neck sweater with a burgundy choker and harness. For shoes, Caster wears knee high metal boots reminiscent of those found on the armors of knights.

Caster possess long grayish blue hair that he lets fall loosely over his right shoulder. This changes to a braid when he ascends.


He is intellectual and calm. His disposition is mild and does not enjoy combat. Advocates that human affection is more precious than anything. He regards the modern magi far and wide as the descendants of the pupils that inherited his teachings, loving them equally as far as the world permits that love.[1]

The wish he once had for the Holy Grail was "to reach the Root". Furthermore, he also wanted to ascertain the authenticity of his personal opinion regarding how the light of the star (like that of a holy sword) is indeed a light shining from the Root or so it was. But it may be that he is currently seeking for atonement instead.[1]

During the events of the Prototype Grail War, Caster displayed a surprisingly cruel and remorseless side to his personality when he accepted Manaka's offer to switch sides by slaying his previous master and spiting Assassin by taunting her about her inability to obtain physical comfort without killing the one who hold her, while simultaneously offering her the corpse of Tatsumi as the only thing she could ever hold.


Fate/Prototype: Fragments of Blue and SilverEdit

Fate/Grand OrderEdit

He is an antagonist in London 1888. He refers himself as "P".


Caster is an alchemist from the Renaissance period and the one responsible both for creating the Alchemic system that is used by most alchemists of the modern era as well as creating the Azoth Sword, which has become a symbol of a rite of passage for Mages, with copies of the original being given by Mages to their students as a simple, yet very effective Mystic Code.

Due to his Item Construction, he can produce a variety of tools. He can create a powerful prana cumulate crystal such as the "Philosopher's stone", artificial spirits that correspond to the five elements called Elementals, robots endowed with multiple-body-synchronous-thinking ability, and others.[1]

Given his nature as an alchemist, he is able to create a large number of homunculi to do his bidding in a short time span, with each of them being connected to each other as a hive mind. In addition to his artificial humans, he also possesses a large number of familiars. With the Philosopher's Stone, Caster is even able to temporarily revive Tatsumi's corpse as a sort of ghoul like familiar to mockingly taunt Assassin.

Being a member of the Caster class, he is able to set up several types of Bounded Fields and magical traps, effectively turning his stronghold into a forest of death.

Contrary to his quest of progressing life and helping others, he is also remarkably skilled in curses, being able to stealthily inscribe a lethal curse upon a magus without them noticing.

Paracelsus is also an Average One, meaning he can manipulate all of the five Elements.[1] He is very adept at jewel magecraft, effectively having stones packed with magical energy floating around him in combat and throwing them against targets in a way similar to telekinesis. They are powerful enough to blow away the "shadows" thrown at him by Manaka, a human who is directly connected to the Root.

One other field in which he seems to have a good deal of experience in is Healing Magecraft, as he offered his services to Saber, but there was no need as Manaka had already seen to his recuperation.


  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21

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