Meaning and elaboration
Meaning: The Performer of Sacrifices.
Elaboration
Yagnya Kartri means "The Performer of Sacrifices." This name points to sacrifice in its ritual, cosmic, and inward dimensions as understood in Vedic and Tantric traditions.
The Cosmic Sacrifice In the Vedic tradition, creation itself is described as a great cosmic sacrifice, Prajapati's Yajna, in which the primordial being offers itself so the universe may appear. As Yagnya Kartri, Kali is the divine power behind that act of manifestation and sustenance through ceaseless self-offering. She is the sacrificer and the sacrificed, the offering and the fire.
The Ritualistic Sacrifice On the ritual level, Yagnya refers to the fire offerings performed by human beings to honor the deities or seek specific results. As the "Performer of Sacrifices," Kali is understood as the ultimate deity to whom all sacrifice is offered, and as the power that gives the rite its real efficacy. Her presence consecrates every sacred ritual and carries its energy to its proper divine recipient.
Internal Sacrifice (Antar Yagnya) The deepest meaning lies in the internal or spiritual sacrifice, Antar Yagnya. Here, one offers the ego, attachments, desires, and limited self into the fire of divine consciousness. Kali as Yagnya Kartri represents that unyielding inner process in which impurity and Maya are burned away so that one's true divine nature may be realized. This is not merely an outer act. It is inner transformation and surrender.
She is the power that turns the ordinary into the sacred through the fire of spiritual discipline, making every act, when done with devotion and awareness, an offering to the Divine.