The Atsuko Shard (or Shard of Atsuko) is the source of the power for the Atsuko Clan. It’s origins unknown to the world, the secret of the Blacksmith’s creation and destruction of the Hoskinanium Katana have remained secret to this day. The Atsuko Shard comprises the final third and point of the katana.
This Shard is imbued with power that allows the Atsuko to commune with the world beyond the grave. Its mysterious attributes have led the Atsuko to discover paths to draw information and restless energy from the veil between the living and the dead.