Acala [Skr.: Ācala, Achala अचल; Ja: Fudō-myōō (不動明王) literally “immovable” one.)] is one of the fierce, angry-faced guardian deities of Vajrayana Buddhism and is particularly revered by Buddhists in Japan. He is classed among the vīdyārāja [Ja: myōō (“wis
