Aparajita

Aparajita; Goddess Aparajita is a destroyer form of Shrī Durgā .

Goddess Aparajita manifests from the womb of the earth with the help of the absolute earth element.

This manifestation of Goddess Aparajita is for the sake of souls on the Earth.

This form of the Goddess which establishes itself on the throne of the eight petals carries a trident and with the help of Deity Shiva,

seeking assistance from the Dēvatās of directions and the Devatas of the premise, destroys the demoniacal energies.

Source

http://www.forumforhinduawakening.org/understanding/aparajita-form-of-goddess-durga-worshipped-near-shami-tree