6th Singularity Camelot: Roayl Castle free quest is the best AP & time saving location to farm Medal of Great Knight. You'll get about 3-4x Medal of Great Knight by spending 210AP.
Rashoumon event (Ibaraki Douji event)
Murder at the Kogetsukan
Inheritance of Glory
How to Build a Quick Team
5 Star Servants Tier List: Best Servants [5/9 updated!]
Best Craft Essence: Craft Essence Tier List
Nikola Tesla
Fate Grand Order Farming Items
Passionlip
Maid in Halloween
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon
Black Holy Grail (The Black Grail)