Z-9 Crotalus DNA Preservation Lab

"Metallic Monks"

The Z-9 Crotalus DNA preservation lab is a location in Big MT, situated northwest of the X-8 research center.

Layout
The lab is the home of many nightstalkers. Entering the main door into the lab, the player character can proceed in three directions. By traversing forward and then left, one can find four cells containing cages with egg clutches. Each cell contains a small amount of loot including food items, nightstalker eggs and blood. One cell contains a lobotomite mask on the head of a corpse.

Heading forward and right from the main entrance will take the player character into a lab area which is joined onto a caged observation area. In the lab section, there is some computing equipment and a few crates containing assorted loot as well as a sample crate containing night stalker eggs, blood samples, and nightstalker squeezin's. On the top shelf of one of the cabinets in a white bin containing a copy of Lad's Life. There are also two proton throwing axes.

In the caged area, two nightstalkers will spawn. The player character can open the gate and go into the small area which contains only a cabinet and a crate containing assorted loot, as well as some dog bowls lying on the floor of the area.

In the main lab area, the unique night stalker Shadis can be found, as well as the and Y-3 implant, located on one of the operating tables. On and around the tables are various medical instruments such as saw blades, bone saws, and tweezers. On the floor of the lab, there are a few egg clutches that contain nightstalker eggs. At the back of the lab, one can find an electric hot plate and deluxe chemistry set.

Notable loot

 * Auto-Doc Upgrade: Implant Y-3 - On an operating table in the main lab.

Appearances
The Z-9 Crotalus DNA preservation lab appears only in the Fallout: New Vegas add-on Old World Blues.

Behind the scenes
Regarding the name of the facility, Crotalus is a genus of venomous pit vipers known as rattlesnakes.