The map is procedurally generated. Map layout, Number of Secrets and Secrets Locations will vary for each playthrough. There are 6 varities of secrets that you will get in this area. Check the video at the end of the page if the written walkthrough is not clear.
Secret 1
First type of secret that you’ll find here is a chest locked behind a stone door. Press the plates on the right side of the door to open it and get the secret.
Secret 2
Second type of secret that you’ll find here is in a corner room with 2 entrances. There are many such corner rooms but they all will have 3 skulls on the wall. The room containing the secret will have 2 skulls and a white button on the wall. Press the white button to open the door and get the secret.
Secret 3
Third type of secret that you’ll find here is a black plate kept on the shelf on the walls. Moving the plate will start a fight and after the fight is complete a secret chest will be revealed.
Secret 4
Fourth type of secret that you’ll find here is a black plate kept ona grave. Moving the plate will start a fight and after the fight is complete a secret chest will be revealed.
Secret 5
When the mission starts, before you enter the crypy you’ll notice an inaccessible area behind closed gates. This gate will open after you have completed ‘Find the lost tome’ Objective. Now get out from the crypt through the door from which you entered. The previously inaccessible area will be accessible now. Here you’ll find secrets in portions extending into the walls.
Secret 6
The last types of secret will be found in the final area after exiting the crypt. Here you’ll find secrets in portions extending into the walls.