ELDEN RING™: Black Knifeprint and Assassin's Cerulean Dagger

Defeat Black Knife Assassin in Black Knife Catacombs (Liurnia of the Lake) and you will obtain two significant items: Black Knifeprint (Key item in Fia and Rogier's questline) and Assassin's Cerulean Dagger (Critical attack restores 15 FP).
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