Kalki

In Purāṇic narratives—most elaborated in the Kalki Purāṇa—Kalki is born in the village Śambhala to parents named Viṣṇuyashas and Sumati on the thirteenth day of the waxing moon. As a divinely ordained avatāra of Viṣṇu he is trained in sacred and martial disciplines (narratives note tutelage by sages such as Paraśurāma in various accounts) and is provided by deities, notably Śiva in the Kalki Purāṇa, with supernatural instruments: a divine white horse called Devadatta (portrayed as manifesting Garuḍa), a jeweled-hilted fiery sword, and an all-knowing parrot named Śuka. After completing his mission of defeating unrighteous kings and armies and restoring dharma he returns to Śambhala and departs to Vaikuṇṭha (the divine abode). The Kalki Purāṇa that supplies many of these narrative details is a later Purāṇic text with varying scholarly dates and layerings compared to older Purāṇas; the Kalki motif also appears in Buddhist Kalacakra material where Kalki (Kalkin) functions as a title for righteous kings culminating in a final Rudra Cakrin who assembles an army to end degeneration.

Across Purāṇic summaries Kalki is depicted as a Brahmin-warrior figure: a luminous martial avatāra who rides a white horse named Devadatta and wields a blazing or fiery sword with a jeweled hilt. The Kalki Purāṇa adds narrative accoutrements—Devadatta as a manifestation of Garuḍa and the presence of the parrot Śuka, described as possessing knowledge of past, present, and future. While the core iconography (white horse, sword, martial Brahmin identity) is consistent in summaries, specific emphases and descriptive details vary among Purāṇic accounts.

Kalki's primary function is eschatological and martial: he leads armies, defeats wicked kings and anti-dharmic polities, and eradicates the prevailing adharma of the Kali Yuga. He is aided by devas, devis, saints, righteous kings, and certain immortal beings (cirañjīvis) who assist in his campaigns; Śiva is described in the Kalki Purāṇa as providing key instruments. Kalki does not annihilate existence but enacts a teleological correction—ending the Kali Yuga and inaugurating the Satya Yuga—after which he returns to Vaikuṇṭha. In the Buddhist Kalacakra tradition the Kalki/Kalkin motif is adapted as a title for righteous rulers (multiple Kalki figures), with the final Rudra Cakrin assembling a large army to eradicate barbarian forces and restore a flourishing era, showing a parallel martial-soteriological role.