Moksha, liberation, is the final goal of the entire Jain path and the culmination of the soul's immense journey through countless births. In Jain metaphysics the soul, jiva, is by nature pure, conscious, and endowed with infinite knowledge, perception, bliss, and energy. Yet from beginningless time it has been entangled with karmic matter, a fine physical substance that clings to the soul and obscures its innate powers. Moksha is the complete and irreversible separation of the soul from all karma, after which its original perfection shines forth without obstruction.
The mechanism is precise. Passions such as attachment and aversion cause karmic particles to flow toward the soul, a process called asrava, and to bind to it, called bandha. The spiritual discipline of the Jain path reverses this. Through samvara the soul stops the inflow of new karma, and through nirjara it sheds karma already accumulated, chiefly by austerity and by exhausting karma as its effects ripen. When the last particle of karma is destroyed, the soul attains moksha.
Jain teachers distinguish types of karma that must be dissolved. The four ghatiya or destructive karmas directly cripple the soul's essential qualities: they obscure knowledge, obscure perception, produce delusion, and obstruct energy. Their destruction yields kevala jnana, omniscience, and the being who attains it while still embodied is called an Arihant or Kevalin. Such a one continues to live, teaching and moving among beings, until the remaining four aghatiya karmas, which sustain bodily existence, are also exhausted at the end of that life.
At the moment of final death of the last body, the soul, now utterly free of karma, becomes a Siddha, a perfected and liberated being. Jain cosmology teaches that the liberated soul rises instantly, in a single moment and without effort, to the very summit of the occupied universe, a region called the Siddhashila at the top of the loka. It rises because, freed from the weight of matter, its natural tendency is upward, as a gourd cleaned of clay floats to the surface of water. There it remains eternally, never to be reborn.
The condition of the Siddha is described in terms of eight qualities that replace the eight kinds of karma once destroyed: infinite knowledge, infinite perception, infinite bliss, infinite energy, formlessness, the equality of all liberated souls, eternal existence unbounded by lifespan, and the transcendence of high and low status. The Siddha has no body, no name, no gotra, no sense organs, and no activity of mind, speech, or body, for these all belonged to the embodied state. It neither acts nor is acted upon; it simply is, in changeless self-luminous awareness.
A distinctive feature of Jain liberation is that each liberated soul retains its individual identity. Unlike doctrines in which the freed self merges into a universal absolute, the Jain Siddha remains a distinct soul among infinite other Siddhas. All are equal in their perfection, yet each is numerically separate, and each preserves a subtle form corresponding to the last body it inhabited, slightly less than its final human dimensions. The Siddhashila is thus a community of infinite perfected individuals sharing identical bliss without loss of selfhood.
Moksha in Jainism is therefore both an ending and a fulfillment. It ends the beginningless cycle of birth, aging, death, and suffering, and it fulfills the soul's deepest nature by restoring qualities that were never truly lost but only veiled. The Siddha is the soul as it was always meant to be: alone, complete, omniscient, and forever at peace beyond the reach of the turning world.