The Staff of Bone (Japanese: 餓骨杖 Romaji: gakotsujō) is a weapon created and wielded by Ruby Eye Shabranigdu. Akin to the five Dark Star Weapons, it was produced from Shabranigdu's own astral body and is strong enough to resist even the Blast sword. It resembles a staff made entirely of bones, but it can change itself to a sword form. The Staff of Bone appears in Demon Slayers!, where Luke-Shabranigdu wields it against Lina and Gourry. It can also be seen being held by Subordinate-S in an eyecatch from Slayers TRY.