The Soultaker is a samurai sword capable of extracting the souls from those that it kills. The wielder can then communicate with the imprisoned spirit.
On Prime Earth, it is also the totem weapon of the Sword Clan, one of the clans of the Outsiders, making Katana their leader and granting her with immortality and true enlightenment so long as she has it.
The Sword makes its 1st appearance chronology in Batman and the Outsiders #1 .
Links and References