This achievement isn’t hard just a little time consuming.
Set UpLevel Episode 1: New York - Chapter 3: Hell on the High Water
Online StatusSelect Offline
DifficultyEasy
CharacterAny you wish to level up - unless you use the Fixer which you have unlocked carry a Breaching Charge for additional Chest to open
Defence TypeThere are 4 variants of the Defences these are as follows:
Barbed Wire
Auto Turret
Stationary Machine Gun
High Voltage Grid
HowOnce you find a chest go up close and hold

to take the Defence out the yellow hazard chest.
Now to deploy you will see silhouettes of where you can deploy in any holding area, so go into the silhouette of your choice and once again hold

to deploy then this will register as 1 complete.
During this Chapter there are 2 locations that you can deploy Defence here are the locations and where the chests maybe in each area.
Rinse and repeat this Chapter until you reach your 100th, keep an eye on your achievement tracker as go!!!
Location 1Train section where you need to hold off Zombies while you release the Train to charge through the wall.
Location 2The Dock where you once again hold of Zombies while you reel in the boat, while you activate the winch.
Also in this section if you look at the below image, go to this location there should always be a Breaching Charge (easy difficulty only) for an extra chest to use.
Apply to a ISO container by holding

it will blow open doors and then enter.
As soon as you have deployed your 100th Defence, Pop achievement unlocked!
Congratulations!
Happy Hunting
* Hope the guide is helpful if so please give positive FB, if not or you think there is an issue please message me so I can update for the community*