Hrim is the prime mantra of the Great Goddess and ruler of the worlds and holds all her creative, transforming and healing powers, therefore is the main Shakti mantra. Hrim governs over the cosmic magnetic energy and the power of the soul and causal body.
Hrim is a bija mantra of magical force, captivation and empowerment. It can be used relative to any deity or object whose presence we wish to access at the level of the heart. It brings about joy, ecstasy and bliss. Hrim both purifies and exalts us in our inner quest, opening us before the Divine Power so that it can enter into our hearts.
It awakens us at a soul and heart level, connecting us to Divine Forces of love and attraction. Hrim is the seed sound of Maha Maya, an aspect of the Goddess, She both blinds us in delusion (maya) and has the power to free us from it. This seed has a solar quality, but more of a dawn-like effect. It is charming and alluring, yet purifying. Through it we can master the illusion power of our own minds.
In Vedic terms Hrim is a mantra of the Sun in terms of illumination. It increases our aspiration and receptivity to Divine Light, wisdom and truth. It opens the lotus of the heart to the inner Sun of consciousness. It is a sound of the region of heaven or the consciousness space in which all the worlds exist.
Hrim is a specific mantra for the heart (hridaya in Sanskrit) on all levels, whether the spiritual heart, the heart chakra, the emotional heart or the heart as a physical organ. It energizes the heart, provides warmth, and allows for both deep feeling and deep thought.
In terms of Ayurveda, Hrim can be used to counter heart disease of all types, aiding in longevity and rejuvenation. More specifically, it helps promote the pranic and functional aspects of the heart with it the power of circulation of the blood, the lungs and the nervous system. It has generally Pitta (fiery) energy but some Vata (air) energy as well, stimulating the higher pranas and emotions. In terms of Vedic astrology, Hrim relates to the Sun, the planet of the heart, and helps promote solar energy, expression and charisma.
Hrim is usually a soft mantra but can also be harsh. As a soft mantra, it increases the finer energies of the heart. As a harsh mantra, it can be used to hypnotize or captivate, to dissolve or carry away.