Apparently, it is made from the bones of fallen Skulkin, and its origin causes it to be a disliked weapon among the skeletons. It is also implied that Lord Garmadon makes them out of the bones of Skulkin who question his use of the weapon.
Made from the broken bones of fallen Skulkins, no Skulkin likes this deadly weapon. But none dare tell Lord Garmadon this, because no one wants to be his next Double-Boned Skele-Scythe.
- In the Ninjago Character Encyclopedia, it is misspelled as "Double-Boned Skeli-Scythe."