Holy Wisdom is a music theme composed by Michiru Yamane for Bloodstained: Ritual of the Night. It is identified as the Dian Cécht Cathedral's background theme.
The track has also been featured in a few promotional videos for the game and in its story trailer.
Videos[]
Holy Wisdom - Bloodstained - Ritual of the Night OST ~Extended~
【Holy Wisdom】〜Bloodstained - Ritual of the Night〜
Michiru Yamane performing a 18-minute piano rendition of the theme.