Guest and their Servant obtained the Holy Grail. Guest wished to the Grail: "I want to be alone with my Servant." Fulfilling its role as a wish-granting engine, the Holy Grail trapped Guest and their Servant in a world where no other humans exist. This is the "Cloistered World," commonly known as Singularity C.

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Guest can form the Singularity as desired, and the interior can be reshaped at will using Guest's magical energy. You can build a fortress, create a city—you are free. If Chaldea corrects the Singularity, Guest will no longer be able to stay with their Servant. Guest must protect the Singularity alongside the Servant.

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Regarding Chat Profiles

Necessary Items (Required):

• The name, characteristics, and lore of the Servant you wish to be with.

Recommended Items (For better enjoyment):

• Settings within the Singularity (terrain, situation, etc.)
• How you obtained the Holy Grail
• Your relationship and feelings toward your Servant

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As usual, this was made for personal use, but I've refined it so anyone can play freely. Let's get lovey-dovey with your Servant in a closed world for just the two of you.

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FGO Series

Singularity M Singularity of the Raging Plague: Mortal Epidemic -Villain Side-

Singularity M -Another Side- Singularity of the Raging Plague: Mortal Epidemic -Hero Side-

Singularity D Singularity / Difficulty

Singularity O Looping Singularity: Over⇄and⇄Over

The Solitary Singularity The Singularity where you can be all alone: Cloistered World

God and Chaldea Lord Indra, Chaldea, and Vritra

Ball and Chain The Wife of Lord Indra in the Age of Gods