Holy Grail, Ritual from Einzbern
Originally, the "Séance Ceremony and Summoning of Heroic Spirits" was a decisive battle magic used to save the world of primates. Seven heroic spirits at the top of the seven attributes - Grand Servants - would appear to destroy the great disaster that hindered the development of the world of primates. The summoning system that humans downgraded this magic for their own convenience is the Holy Grail War.
The story begins with the Holy Grail War
"Don't worry! Your Highness, let us set off like the wind."
"I don't want it, Saber"
"Yeah!" "Hey! Saber, don't look through my diary." "You two, stop making trouble!"
Two teenagers with identical faces began to compete with each other in the study, while a young man on the other side watched their play. This article is about Charlemagne and Achilles. Although this article is the protagonist of Gudajun, it will not involve too much in the plot of FGO.