The following page contains the walkthrough of the Deep Dive mission in Far Cry: New Dawn game. This is a mission during which you will unlock a specialist name Selene - her location is visible on the map from the beginning of the mission. Specialists are needed to develop Prosperity, as well as to complete the Upgrade Prosperity mission.
Get back to the surface
The goal of the mission is to acquire the bag of the specialist. The bag is located right next to place where you start the task, but when you try to get it, you will immediately fall into water. Now you must find a way to get back to the surface. First things first, head towards the mission marker.
You will quickly find a room with pipes. Now turn all the valves in the room - the water level will start rising. Now you need to quickly run back through the corridor you have come here. You will probably be submerged in water and a portion of the route must be completed by swimming. You will return back to the place where you have fallen into the water - the water level will be raised, but still insufficient to get out of here.
You must raise the water level again. Use the entrance to which you have now access and move along the corridor. Be alert, as you will run into a group of aggressive dogs. You will reach a room with stairs leading into the water - use them and travel along the available route. You must use the sprint button while diving, otherwise your character will die before emerging from the water. Head towards the blue ladder while you are in the water.
You will reach a room with one valve - interact with it. Afterwards, shoot the red device shown in the above screenshot. This will unlock access into the room with several valves. Operate all of them and run towards the next room.
The water level will be quickly rising, so be quick and remember about using the spring button during diving. You will soon reach a room with a red device - as before you need to shoot it to unlock further passage. You will again get back to the place where you have fallen into water - to get back to the surface you need to raise the water level one more time.
Use the blue ladder and head towards the mission marker. Watch out for snakes and try to take them out from a safe distance. Head along the corridor - you will soon reach stairs leading into the water. Before you use them, however, take out the crocodile lurking in the water.
Swim towards the mission marker and interact with the valve at the end of the corridor, causing water level to rise. Run in the direction from which you came here (the easiest way to accomplish it is to simply follow the mission marker).
Retrieve the field kit
Now the water level will be appropriate for you to grab Selene's bag. Grab the item and use the blue ladder to get back to the surface. Finally, speak with Selene - the Deep Dive mission will be completed.