There is the important-looking sign in the church, on your way up to the hunter's spot.
Can't read it
You need to shine light to it. Maybe the priests would help.
How?
Did you try the hand action on them?
Shiny!
Shine both of the priests so that the sunshine will hit the sign. You can now read the sign.
Achievement help
This is the guide for "It's a Sign!" achievement in Death of the Reprobate. At Nice Game Hints you get hints even on the achievements. Click the big button below to get your first hint on getting this achievement.