Eight heruka sadhanas

Kalsang Pema Wangyal, Dordrak Rigdzen Chenpo VIII mid 19th c. C.E.

The eigth rebirth was born in the Lhodrak region. After extensive study and practice he became so accomplished in the practice of wrathful enlightened forms that his abilities for protection and aversion of obstacles was recognized by the Tibetan government. He was able to avert many natural and man made calamities for the people of Tibet and his reputation was vast. A few volumes of his writings are still in existence.

See source: [1]