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
5 Star Servants Tier List: Best Servants [5/9 updated!]
FGO Reroll Tier List [5/11 updated!]
1-3 Star Servants Tier List
Best Servants [★4]: 4 Star Tier List
Best Craft Essence: Craft Essence Tier List
Cu Chulainn (Alter, Berserker)
Nero Claudius (Caster, Summer 2017)
Minamoto No Yorimitsu (Lancer, Summer 2017)
Oda Nobunaga (Berserker, Summer 2017)
Hans Christian Andersen
Frankenstein (Saber, Summer 2017)
Sometime in Summer
Piece of Year 2030 (A Fragment of 2030)