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
There is no way a mantra can be learned from a book and be effective. Therefore, approach the guru cautiously and with a full heart.
—Gurudeva