Acala (hāṃ हां), Immovable One. Guardian Deity of the Vajrayana Buddhist Lineage. Japan.
Acala is classed among the vidyārāja and preeminent among the Five Wisdom Kings of the Womb Realm. Accordingly, his figure occupies an important hierarchical position in the pictorial diagramatic Mandala of the Two Realms. In Japan, Acala is revered in the Shingon, Tendai, Zen and Nichiren sects.
Acala is said to be a powerful deity who protects All the Living by burning away all impediments and defilements, thus aiding them towards enlightenment.