Black Rock Quarry Restricted Area. This is the restricted area now walk straight ahead to the big room on right side of the area and inside you will see computer controls toggle push the red button and then go to the area ahead. The Quarry Threshold also known as the Black Rock Quarry is a Threshold located in the Maintenance Sector of the Oldest House.
Cleanse the Control Point and then unlock the door. The location of the collectable - Black Rock. To find this secret area players need to enter the Black Rock Quarry and keep to the left.
Upon getting to the area where the door is youll unlock the Ability.
Eventually they will come to a path on the left that has two forklifts parked near each other. This would lead you to a mold-infested area. Black Rock Quarry Area. The quest I just finished in this area was.