In "Batman: Arkham City" what is the choir chanting when Batman fights Ra's Al Ghul

Question

In the video game "Batman: Arkham City" when right before Batman fights Ra's Al Ghul the theme plays, and the choir starts to chant, what are they chanting and what language is it in?

Answer 1

Not all chants are systemic or have a lyrical meaning. Thought it's not uncommon for them to sing in latin. https://genius.com/albums/Nick-arundel/Arkham-city-original-video-game-score