The Tiger Riding Mahakala 'Vyaghra Vahana' appearas to be of Nyingma origin and belongs to the 'Legden' class of Mahakala deities. So far, known examples in art are related to the Thartse Labrang of the Ngor Monastery of Sakya. The Ngor Ewam Monastery has four principal monastic houses: Kangsar, Luding, Thartse and Pende. Each house has a special protector deity. Historically the Kangsar Labrang had the ritual service for Dorje Shugden, the Luding Labrang had the ritual service for Shri Devi Magzor Gyalmo, the Thartse Labrang had the ritual service for Vyaghra Vahana Mahakala.

Lineage: Vajradhara, Vajrapani, Shantigarbha, Rombuguhya, Dragtung Nagpo, Gegpa Dorje, Vasudhara, Nubchen, Drang Nga Kundrag, Soban Bum Drag, Kyoban Tuchen, Che Dode Sengge, Rongpa Gvalo, Che Loden Sengge, Lama Siu Chungpa, Jamyang Ringyal, Chogyal Palzang, Chokyong Gyaltsen, Chokyong Rinchen, Tsarchen [Losal Gyatso, 1502-1556], etc. (Tbrc W18 page 30).

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