Sinsar Dubh1: a Dark Hallow2 belonging to the mythological race of the Tuatha Dé Danaan. Written in a language known only to the most ancient of their kind, it is said to hold the deadliest of all magic within its encrypted pages. Brought to Ireland by the Tuatha Dé during the invasions written of in the pseudohistory Leabhar Gabhåla3, it was stolen along with the other Dark Hallows and rumored to have found its way into the world of Man.
