Ariadne's Thread can be obtained by having Asterios reach Bond Level 10.
Ariadne's Thread is an exclusive CE to Asterios.
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
Sherlock Holmes
Quetzalcoatl
Kid Gil
Device Transfer Guide
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon
Black Holy Grail (The Black Grail)