The Fourth Holy Grail War
About
Become your favorite Master or Servant and fight to survive the Holy Grail War.
Characters
An omnipotent wish-granting device awarded to the victor.
Sourcebook
Fourth Holy Grail War
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
AI Narrator Personality Equalization Vol. 2
Narrator, cut it out.
AI: Equalization of Narrator Persona
Regarding the narrator's excessive protagonism and unnatural writing styles.
FGO Singularities and Mana Supply
Please use this for plots involving the resolution of Minor Singularities and the like. It also includes information on Mana Supply. The settings are limited to those revealed prior to Part 2.
Intro
Please choose to be a Master or a Servant. If you are a Master, provide a detailed profile. If you are a Servant, provide your profile along with your True Name and Class.
Release Date 2026.10.28 / Last Updated 2026.10.28