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
5 Star Servants Tier List: Best Servants [5/9 updated!]
Best Craft Essence: Craft Essence Tier List
FGO Reroll Tier List [5/11 updated!]
Elisabeth Bathory
Tamamo no Mae
Zhuge Liang (Lord El-Melloi II, Waver)
Talk on the Heated Sands
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon
Black Holy Grail (The Black Grail)