Heruka

Heruka is also a name for the deity of the Cakrasaṃvara Tantra.

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Teachings General Buddhist Three marks of existence Skandha Cosmology Saṃsāra Rebirth Bodhisattva Dharma Dependent origination Karma Tibetan Four Tenets system Rangtong-Shentong Svatantrika-Prasaṅgika distinction Nyingma Dzogchen Pointing-out instruction
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Major monasteries Tradruk Drepung Dzogchen Ganden Jokhang Kumbum Labrang Mindrolling Namgyal Narthang Nechung Pabonka Palcho Ralung Ramoche Rato Sakya Sanga Sera Shalu Tashi Lhunpo Tsurphu Yerpa
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Heruka (Sanskrit; Tibetan: Wylie: khrag 'thung) is the name of a category of wrathful deities, enlightened beings in Vajrayana Buddhism that adopt a fierce countenance to benefit sentient beings. In East Asia, these are called Wisdom Kings.

Herukas represent the embodiment of indivisible bliss and emptiness. They appear as Iṣṭha-devatā (Tibetan: Wylie: yi dam) or meditational deities for tantric sādhanā, usually placed in a mandala and often appearing in Yab-Yum.