essence mantra

bstan srung - 1) guardians of the teachings/ religion; 2) dharmapalas [wrathful deities who protect the teachings] [IW]

bstan srung - 1) guardians of the teachings/ religion; 2) dharmapalas [IW]

dam can - a vow-holder; loyal guardians, samaya-bound, vow-holders. protectors; oath-bound one; ex. {chos skyong dam can rgya mtsho} means "the ocean of vowed guardians and dharmapalas" [RY]

nag po chen po - Mahakala; great black one. Wrathful aspect of Avalokiteshvara Mahakalas are the chief dharmapalas, protectors of the Dharma. They are either black or dark blue in color and wrathful [RY]