Second Magic

The , known as Zelretch or Kaleidoscope, is one of five remaining Magics in the modern age. Its domain is the . It is said that the Second, the Third and Fourth Magic were created as a means to reach the Root.Aoko vs Touko
==History==
Kischur Zelretch Schweinorg achieved the Second Magic sometime before 300 AD when he defeated Crimson Moon Brunestud in battle. The Second Magic's establishment led to the further survival of mankind, by expanding the possibilities allowed by it. Even if their history fails, and humans destroy themselves, there might still be others out there — this concept granted hope to the planet, which had been in the process of losing its dreams.
==Effects==
The full extent of the Second Magic's capabilities are currently unknown. But its domain lies in the , which allows one to observe and interact with Parallel Worlds. Zelretch uses it frequently to travel through Parallel Worlds and timelines. 
The Second Magic rewrites the world itself, and the revising of records and the rewriting of events also falls under its domain. The concept of Time Travel is possible through the use of the Second Magic. It is also able to perform resurrection, but not "complete resurrection", which is an incredible miracle beyond even Magic.Fate/hollow ataraxia - Heaven's Feel - 2/ Heaven Feel's Backnight II
===Observation===
Zelretch is able to see the eventual outcome of the Parallel Worlds he observes.Fate/strange Fake Volume 1 - Extra Chapter: Observer. Or, Character Creation translation, p.187-193 However, he avoids direct interference and even observation unless necessary, as the act of observing a single possibility among many will instantly cement that possibility as the reality.
====Observation Room====
Zelretch's Observation Room sphere.png|Zelretch's Observation Room from the "outside" in Fate/strange Fake -Whispers of Dawn-.
Zelretch's Observation Room insides.gif|The Observation Room inside.
Zel's Observation & Character Creation.gif|Usage of Zelretch's book.
Zelretch performs the observation of Parallel Worlds inside a spherical room, said to be a "completed world." It is jet black in appearance, dotted with points of light resembling stars. As he dictates the characteristics of an observed world, these points of light rapidly rotate with the turning of the pages of the book he utilizes. This room is hard to enter, Zelretch possessing a count of those with the ability, such as Caubac Alcatraz.
Within the center of the room floats a wooden chair upon which he sits, said to "imbue the space around it with a conspicuous gravity" simply through existing. The chair's appearance is described as "extravagant" with its wood possessing a "refined hue," but not repulsively ornamental like that owned by the elite. The very significance of the chair in the space is such that an unrefined person would be "consumed by the weight of the chair’s existence and hidden from surrounding view."
From the chair, he utilizes a hovering book that, while the size and thickness of a standard encyclopedia, flips through tens of thousands of pages in an instant at his beckoning. It inscribes and erases pages in real time, filled with information on different worlds and the specifications, down to the very individual characteristics of a person.
===Multi-Dimensional Refraction Phenomenon===
The is one fragment of the Second Magic, which is essentially the ability to create openings into parallel Worlds. One can then interact with the 'other side' through this gap. Through the use of the Jewel Sword, one can access endless magical energy from parallel Worlds.
===Traveling to Parallel Worlds===
To travel between parallel worlds, Zelretch transfers himself to jewels in a different temporal axis. If he wanted to travel from "World A" to "World B", he would gather up enough gems in World B until there were enough to take his shape, and then transfer his soul into them, turning the jewel golem into Zelretch. At the same time, Zelretch's body back in World A will turn back into a pile of jewels. As long as he has enough materials he can travel to any world he wishes, but since he only has one soul, he can only be active in one world at a time.
He used to travel with his physical body, but after various circumstances he has found that this method is easier.
In addition, as a small amount of time lag occurs when he travels, he is also capable of a tiny bit of time travel as well.
==Mystic Codes==
===Jeweled Sword Zelretch===
Jewelzelretch.png|Jewel Sword.
File:Gem sword rainbow.jpg|The Jewel Sword activated.
Jeweled Sword Zelretch CE.png| from Fate/Grand Order.
RinSword.jpg|Rin using the Jewel Sword.
, more commonly referred to as Jewel Sword Zelretch or the Jewel Sword is Zelretch's main weapon and a powerful Mystic Code that could be considered the greatest treasure of humanity. It was invented and designed by Zelretch, and while it is called a sword its true form is that of a staff. 
It has the ability to use parts of the Second Magic. Specifically it can utilize the Multi-Dimensional Refraction Phenomenon. By using this Mystic Code, one can tap into the endless magical energy of the parallel worlds. It does this by creating a small opening to the same area in another parallel world, to draw in mana from that space, once it has used up the magical energy it can simply open a opening to another. As there are countless parallel worlds, the sword has an functionally endless supply of mana that it can draw upon. magical energy channeled into the blade can be fired off in a beam of light.Fate/stay night - Heaven's Feel route - Day 16: FINAL - Interlude 16-3: Gem Sword Zelretch
Rin Tohsaka and Illyasviel von Einzbern state that it is a Conceptual Weapon that exceeds Servants and is something that matches or outperforms Saber's Excalibur.Fate/stay night - Heaven's Feel route - Day 12: Overdose Through the use of the Jewel Sword, Zelretch was able to push back the mirror image of the Moon that was dropped towards the planet by Crimson Moon, by unleashing a virtually endless ether cannon through a special magic circle called "Magic Square". 
Shirou Emiya compares it to alien technology, beyond the reach of modern man. He cannot comprehend the sword or tell what magical theory that constructed it even with all of Archer's knowledge and Illyasviel von Einzbern's inherited memories from Justeaze Lizrich von Einzbern of Zelretch's original sword. In the end he is only able to project a replica, inferior to the original. Fate/stay night - Heaven's Feel route - Day 15: limited. - Gem sword creation
===Treasure Chest===
Zelretch's Treasure Chest, granted to the Tohsaka House, is a "magical chest" that has a spacial distortion inside of it made by applying the Second Magic. The dimensions fluctuate and bend according to the contents, allowing most items to fit into it, and one hour inside is equivalent to one day outside. She keeps the Kaleidostick and the Jewel Sword's blueprints in it. Also, while trapped in the chest, Shirou and Rin managed to call three years into a Parallel World's future using a cellphone, having a confused discussion with that future's Luviagelita and Rin.Fate/hollow ataraxia - 10/09 - Streets - Mimic Rin
====Kaleidostick====
====Cellphone====
==References==
it:Kaleidoscope
vi:Đệ Nhị Ma Pháp
Category:Magic
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Category:Terminology in Fate/stay night
Category:Terminology in Mahoutsukai no Yoru
Category:Terminology in Fate/strange Fake
Category:Terminology in Fate/Grand Order
Category:Terminology in Fate/kaleid liner PRISMA☆ILLYA
Category:Terminology in Lord El-Melloi II
Category:Terminology in Tsukihime
Category:Terminology in Tsukihime Remake