Yliaster

Yliaster is a unique jutus Kurokami learned though the use of her Konjaku Monogatarishū. To use she cuts both of her palms and claps her hands together, she pulls her hands apart. As she does blue lighting begins to spark from them, after fulling pulling hands apart several red spheres of blood appears and begins floating around her arms.

By throwing a sphere into an object and making the dragon seal. The sphere begins to glow and melds with the object. Moments later a humanoid begin forms, which she calls a "Homunculus". She is able to command the homunculus like puppets. She has stated that the strength of the homunculus are equal to the size of the blood stone.

Trivia
Yliaster is the term coined by Paracelsus which refers to "Prime matter, consisting of body and soul". It is most likely a portmanteau of the Greek hyle (matter) and Latin astrum (star). To Paracelsus, the Iliaster represented the two basic compounds of the cosmos, matter representing "below", and the stars representing "above". Paracelsus says this of the Iliaster while describing how fossils are trapped in wood: