一位夜叉，被认作即帝释天，职责是以雷杵威吓拒不回答佛陀合理提问之人，见于阿摩昼与萨遮迦的故事中。

A yakkha, identified with Sakka, whose role was to threaten with a thunderbolt anyone who refused to answer a Buddha’s reasonable question, as seen in the cases of Ambaṭṭha and Saccaka.