Unicorn Tribesman Skull

Unicorn Tribesman Skull is a skull from the Unicorn Tribe and it is one of the prerequisited items for qualification to become a Nostrade Family bodyguard.

Yorknew City arc
The Unicorn Tribesman Skull is retrieved and delivered by Baise thereby qualifying her for the Nostrade Family bodyguard position.

Trivia

 * The name of the Unicorn Tribesman Skull is transliterated as The skull of a one horned creature in Crunchyroll's version/translation.