Chain Summoning

is a process through which an existing entity acts as a Catalyst to summon forth another related entity.
==Characteristics==
==Known Chain Summons==
*Ares - Summoned through a combination of several Servant Spiritual Cores, the remains of Settsu Armor Kumano and the bonds Ritsuka Fujimaru formed with various Roman Servants.Fate/Grand Order: Cosmos in the Lostbelt - Olympus: Interstellar Mountain City - Section 21: I Am the Thunder that Smites Stars（IV）
*Charlemagne - Summoned through Karl der Große's influence, using the existing Twelve Paladins of Charlemagne, Astolfo, Bradamante, and Roland, as the Catalysts.Fate/Grand Order: Cosmos in the Lostbelt - Traum: Life and Death of a Certain Fantasy - Section 16: The King Arrived for His Gallant Knight
*Fafnir - Summoned by the Das Rheingold due to the corruption of the legend.Fate/Grand Order - Siegfried Interlude II: In Search of Das RheingoldFate/Grand Order - The Mysterious Country of ONILAND!! ~ The Oni King and the Kamuy's Gold - Episode 11: Victory! The End of Oniland! Also, because simply summoning Siegfried should summon the Noble Phantasm, Fafnir will always be summoned along with Siegfried.
*Hector - Summoned via Achilles upon his death in the Atlantic Lostbelt.Fate/Grand Order: Cosmos in the Lostbelt - Atlantis: Ancient Ocean of the Dreadnought Gods - Section 24: The Hunter Who Pierces the Goddess (Part 1)
*Ishtar - Summoned whenever Gilgamesh and Enkidu meet again, due to having left a "blessing" upon the Human Order, leaving a vestige of herself to manifest.Fate/strange Fake Volume 6 - Chapter 18: "As Dream and Reality are Both Illusion I"
*Ototachibana-hime - Summoned into the body of Ogasawara Kaya as a result of her husband Yamato Takeru appearing as Saber.
*Yagyuu Munenori - Summoned as a Rogue Servant as a result of Miyamoto Musashi appearing as a Berserker.
==References==
Category:Terminology in Fate/Grand Order
Category:Magecraft
Category:Terminology in Fate/Samurai Remnant
Category:Catalysts