Enzanka

is a semi-sentient scythe-like blade, and the true form of Michikake and Jōgeshio. The original form is shaped after the twin-blades are infused and molted together with the blood of the current wielder, Suīduki Hōzuki.

Trivia

 * It is mentioned by Suigetsu that he would've loved to have this blade in his collection.