If You Hear the Cloven is a intel document in Resistance: Retribution.
Transcript[]
Another painted arrow -- I can easily spot them now. This one's a bit fresher than the first one, but paint doesn't fade that fast, especially since there's not a drop of sunlight down here. Whoever made this sign took forever and a day to get this far. The catacombs are a bloody maze, so maybe I just got lucky and found the most direct path here. In small letters, a phrase written in French, 'If you hear the Cloven, keep running'.
-- Journal Entry, 06 September, 1951 -- James Grayson