Dokujinkaku

Contrary to common belief, the Kishinami Clan does not have a unique chakra nature release which allows them to convert chakra into poison. Rather, the bodies of clan members have a pair of special organs called "Nucleus" located directly below the kidneys. These Nucleus directly convert chakra into poison and storing it for usage.

As such, members of the clan can perform a number of techniques without having to spend chakra to produce the necessary poison for them.

It is also possible to produce poisons with varied effects, such as paralytics and halucinogics but