阿鼻为地下之牢狱，故曰地狱。在此地下之最底，余大地狱重叠其上。止持音义曰：“阿鼻，此云无间。观佛三昧经云：阿言无，鼻言救。
成论明五无间： 一、趣果无间，舍身生报故。 二、受苦无间，中无乐故。 三、时无间，定一劫故。 四、命无间，中不绝故。 五、形无间，如阿鼻纵广八万由旬，一人多人皆遍满故。 此五无间，乃造五逆业者报之。
The beings in Avīci are believed to be constantly tortured by a variety of unimaginable means, such as being burned, cut, beaten, and crushed. It is considered one of the most terrifying and painful realms of existence in Buddhist cosmology.
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