Skill Up & Ascension MaterialThe fang of a dragon. Dragon Tooth Warriors are created using these fangs.
America: Deming (Free Quest) is the best AP-saving location to farm Dragon Fang. You'll get around 6x Dragon Fang by spending 170 AP.
Babylonia: Eridu (Free Quest) is the best time-saving location to farm Dragon Fang. You'll get around 6x Dragon Fang by spending 210 AP.
Fuyuki: Mobile Coordinate No.0 (Free Quest) is the fastest location you unlock to farm Dragon Fang.
Here is a list of servants that need Dragon Fang to perform Ascension and Skill Up.
Rashoumon event (Ibaraki Douji event)
Murder at the Kogetsukan
Inheritance of Glory
Best Servants [★4]: 4 Star Tier List
Device Transfer Guide
How to farm Pieces & Monuments
Best Craft Essence: Craft Essence Tier List
How to farm EXP cards & level fast
Arc 2: Cosmos in the Lostbelt
Saint Quartz Farming Guide
Black Holy Grail (The Black Grail)