Death’s mission to slay a rogue demon is just starting out, but first he must acquire a replacement for his scythe, which he is forbidden to use on Earth without permission. In an underworld black market he strikes a deal—a leviathan’s tongue for a new weapon!
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The angel Abaddon requests Death's assistance in slaying a demon on Earth. But without the Charred Council's sanctioning the mission, he can't use his scythe - and so he goes to the Creation's black market for another weapon. The demon Vulgrim asks him for a very unusual fee - the tongue of a Leviathan from river Styx.
— Description from Comic Vine community (comicvine.gamespot.com).
