Shinjuku (Sub-Singularity I): Shinjuku Station (Free Quest) is the best AP-saving & time-saving location to farm Magical Cerebrospinal Fluid. You'll get around 6x Magical Cerebrospinal Fluid by spending 210 AP.
Rashoumon event (Ibaraki Douji event)
Murder at the Kogetsukan
Inheritance of Glory
5 Star Servants Tier List: Best Servants [5/9 updated!]
FGO Reroll Tier List [5/11 updated!]
Heracles
Best Craft Essence: Craft Essence Tier List
Critical Damage & Critical Star - Craft Essences
Demonic Bodhisattva
Kaleidoscope
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon
Black Holy Grail (The Black Grail)