Macabre Bone Pulse Kekkei Genkai

Steel Bone Bloodline Limit

 The Kekkei Genkai (Bloodline Limit Nature) Shikotsumyaku is also called “Dead Bone Pulse”, Meaning “Macabre Bone Pulse” and it is the kekkei genkai of the wiped out Kaguya clan, which gave them the skill to control their possess skeletal structure (their osteoblasts and osteoclasts). Through infusing their calcium with chakra, they could control the evolution and properties of their bones to their liking. The skill seems to be exceptional amongst the clan members, as Kimimaro is the single identified user even prior to his clan being eradicated.