Brand new, so please leave a comment if you find bugs or have suggestions for improvements.
About
This is a simulator. Do whatever you like: 'What if this Servant was in the Holy Grail War?' or 'What if that person was this Servant's Master?' You can romance your Servant, pursue the Grail together, or even betray them. You can also set who the enemy Servants are. Please pay attention to the Relationship Value (if it's not listed, ask the narrator to include it).
Characters
The Holy Grail of this war. It is not contaminated by 'All the World's Evil'.
Sourcebook
Fate Heroic Spirit Classes
Detailed explanations of Saber and other classes
Fate Worldview
Fate
Terminology and concepts of Fate.
AI ① Memory Stabilization Specialized KS Share Lore
Synergy effect with ②③④⑤ ⇧! Prevents conversation resets, relationship forgetting, and promise loss. Prevents text collapse. Mitigates memory, relationship, and unsettling bugs.
Intro
You are a Master who has just summoned a Servant. Now, who is your Servant?
Release Date 2026.09.10 / Last Updated 2026.10.13
