Grand puppet master is a limited CE only available in Kara no Kyoukai (The Garden of Sinners) event pickup summons.
For the duration of "Kara no Kyoukai (The Garden of Sinners) event", this craft essence gains additional effects.
Work in progress...
Rashoumon event (Ibaraki Douji event)
Murder at the Kogetsukan
Inheritance of Glory
FGO Reroll Tier List [5/11 updated!]
Best Craft Essence: Craft Essence Tier List
First Sunrise
Void's Dust
EMIYA (Alter)
Arthur Pendragon(Prototype)
1st Singularity: Orleans
Ereshkigal
Gorgon
Black Holy Grail (The Black Grail)