だい毘盧遮那びるしゃな成仏じょうぶつ神変しんぺん加持かじきょうでした
daibirushana jōbutsushimpenka jikyōdeshita

Noun
Desu Copula

The polite past form of 大毘盧遮那成仏神変加持経

1. It was the Great Vairocana Buddha's Transformation and Blessing Sutra.

Past/Perfective
Polite
Buddhism