Nyafu! can be obtained by having Helena Blavatsky (Archer) reach Bond Level 10.
When equipped to Helena Blavatsky (Archer), increases Quick & Arts Card effectiveness by 10% for all allies, while Helena Blavatsky (Archer) is on the field.
Nyafu! is an exclusive Craft Essence to Helena (Archer).
Rashoumon event (Ibaraki Douji event)
Murder at the Kogetsukan
Inheritance of Glory
Best Craft Essence: Craft Essence Tier List
5 Star Servants Tier List: Best Servants [5/9 updated!]
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The Azure Black Keys
1-3 Star Servants Tier List
Black Tallow
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon
Black Holy Grail (The Black Grail)