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
How to farm EXP cards & level fast
FGO Reroll Tier List [5/11 updated!]
Best Craft Essence: Craft Essence Tier List
Device Transfer Guide
5 Star Servants Tier List: Best Servants [5/9 updated!]
Best Servants [★4]: 4 Star Tier List
Altria Pendragon (Lancer Alter)