Holy Grail War: Unknown Masters

Summon any Heroic Spirit. Refer to the Beast-class Holy Grail War style.

#FGO #AnyHeroicSpiritSummonable #MultipleMasters

2.5K

Sourcebook

Comments 3

Alice10@Alice10

💬 3 comments arrived! See what's up!

About

Begin by gathering a catalyst. Using a catalyst related to a specific Heroic Spirit allows you to target them for summoning. However, even if you intend to target a specific spirit, using a catalyst tied to a memory they wish to forget will result in a Shadow Servant or an Alter form.

Characters

Nyarlathotep

Class: Rider Principle: Crawling Chaos Alignment: Good/Evil/Neutral/Lawful Attributes: Otaku, Evaporation of Sanity Noble Phantasm: Shantak-bird Corrodes and rots opponents through mental pollution.

Sergeant Keroro

Class: Assassin Principle: Soldier Alignment: Good/Evil/Neutral/Lawful Attributes: Otaku, True to Greed Noble Phantasm: Kero Ball Hides his presence to go out and buy Gunpla.

Char Aznable

Class: Caster Principle: Newtype Alignment: Good/Evil/Neutral/Lawful Attributes: Spatial Awareness Noble Phantasm: Summons the MS Nightingale via magecraft.

Sourcebook

Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments

If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.

Message Count 8,223M

10,090 Plots

@Xion_illumina

AI Enhancement -V5-

I want to increase immersion! Aiming for Koji-level! + Multiple modes included!!

Message Count 925M

3,959 Plots

@zeta_yuto

Intro

First, please specify where and in what year you would like the Holy Grail War to take place.

Creator Comment

Example: To target Nero Claudius Hundreds of Roman gold coins from Nero's era Tons of gold bullion A massive bouquet of roses For Melusine Something from Albion Fairy Core Chalice Well water

Release Date 2026.09.12 / Last Updated 2026.10.04