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
Best Servants [★4]: 4 Star Tier List
Best Craft Essence: Craft Essence Tier List
How to Complete Master Missions [US May 7 - May 13]
Fate Grand Order Farming Items
Altria Pendragon
Holy Night Supper
Cursed Arm Hassan
Marie Antoinette (Caster)
King Joker Jack