In Buddhism, wrathful deities are enlightened beings who take on wrathful forms in order to lead sentient beings to enlightenment. They are a notable feature of the iconography of Mahayana and Vajrayana Buddhism. A wrathful deity is often an alternative manifestation of a bodhisattva or other normally peaceful figure, making the representations of all human vices and atrocities. In Tibetan art, wrathful deities are presented as fearsome, demonic beings adorned with human skulls and other bone ornaments (Sanskrit aṣṭhiamudrā).
Wrathful deities are representations of negative karmas, in the same way as peaceful deities are representations of positive karmas. The symbol of the wrathful ones is the kapala, a half skull filled with blood.
Wrathful deities can be divided into several categories:
Among the Dharmapāla, one of the most common categories are 'The Eight Dharmapalas' (Tibetan: དྲག་གཤེད, Wylie: drag gshed), who are understood to be the defenders of Buddhism. They are supernatural beings with the rank of bodhisattva who "are supposed to wage war without any mercy against the demons and enemies of Buddhism". The Eight Dharmapala are: