Kali - Mahavidya

Kali stands on Shiva

Kali is one of the Mahavidyas. Krishna avatar of Vishnu is portrayed at the bottom.

Image of Satguru Sivaya Subramuniyaswami
The mystic lives, and is taught to live, two-thirds within himself and only one-third in the external. In learning how to do this, the mystic is taught to become consciously conscious, or aware that he is aware.
—Gurudeva