Nidanme: Zanki no Shitone

is a technique of Shunsui Kyōraku's Bankai, Katen Kyōkotsu: Karamatsu Shinjū.

Description
Black spots appear all over the body of Shunsui's opponent in a manner similar to a disease, causing them to bleed profusely.

Shunsui poetically describes this technique as "Lamenting that he has caused his partner such wounds, the man collapses upon the floor in shame and is consumed by an incurable ailment."