Rakshasa — Rākṣasa, feminine Rākṣasī — is the great Hindu category of malevolent, shape-shifting, often man-eating beings: the demons, ogres, and night-prowlers who oppose gods and heroes throughout the Vedas, the Ramayana, and the Mahabharata. Where the asuras are the cosmic adversaries of the gods, the rakshasas are the more earthbound terror — the thing in the forest, the disturber of sacrifices, the eater of corpses and of the living.
Origin and Name
One tradition holds that the rakshasas sprang from the breath or foot of Brahma at creation, born so ravenous that they cried “Rakshama!” — “Let us protect!” or “Let us guard!” — though others heard in the cry “Let us devour!” The word raksha means “to guard,” and the irony is deliberate: these beings were set as guardians of the waters at creation but turned to predation. Many rakshasa lineages descend from the sage Pulastya through his grandson Vishrava, which is why the noblest of them — Ravana, Kumbhakarna, and the virtuous Vibhishana — are simultaneously brahmin-descended scholars and flesh-eating monsters.
Powers and Nature
The defining rakshasa power is maya — illusion and shape-shifting. They take any form: a beautiful woman to seduce, a holy mendicant to deceive, a golden deer to lure, a swelling giant in battle. They grow strongest at night and especially at the dark of the moon, and weakest at dawn. They haunt cremation grounds and battlefields, feed on raw flesh and blood, and delight in defiling the fire-sacrifices of sages — a recurring plot in which rakshasas pollute a hermitage’s rites and a hero (the boy Rama guarding Vishvamitra’s yajna, for instance) must drive them off. Their kingdom in the epics is the golden island-fortress of Lanka.
The Spectrum of the Rakshasa
Hindu myth refuses to make the rakshasa simply evil. The category runs the full moral spectrum. There are pure monsters — Hidimba the cannibal, the demoness Tataka, the corpse-eating pishachas sometimes grouped with them. There are tragic figures of conscience — Kumbhakarna who condemned his brother’s war yet died in it, and above all Vibhishana, the rakshasa who chose dharma over kin, defected to Rama, and was crowned righteous king of Lanka. And there are rakshasis who become loving wives and mothers, like Hidimbi who bore the hero Ghatotkacha. The rakshasa is less a species of evil than a measure of how appetite, power, and illusion may be turned to either ruin or righteousness.
Kin and Comparisons
Rakshasas overlap with several neighbouring classes: the yakshas (their gentler cousins under Kubera, whom Ravana displaced), the corpse-haunting vetalas and pishachas, and the lordly asuras above them. In Buddhist and Southeast Asian tradition the rakshasa travelled far — the raksasa of Indonesia, the yak of Thailand who guard temple gates, the night-demons of Sri Lankan masked dance — making it one of the most widely exported monster-concepts of the Indian imagination.