Hunter's Paradise was once a VIP resort in Gray Zone Warfare, but business has gone downhill and no one can relax there. Still, Handshake wants to see who has visited this location and he wants you to keep a VIP client list.
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You may have explored Hunter’s Paradise several times already and it is a densely populated area. Many of the enemies that protect it are heavily armed and well protected, which means that you will need to bring your best gear to take them out in GZW. Not only do you need to dodge enemy fire, but you also need to know the exact location where you can find the VIP client list.
The location where you can find the VIP client list is a building on the west side of Firing Lane in Hunter's Paradise. It is one of the most populated locations in Hunter's Paradise, which can make it a bit tricky to infiltrate GZW. You might have a good idea of how difficult it is after completing On The Range or Guns & Ammo.
I recommend trying to head north of Firing Lane and take out the NPCs from a distance before getting close. If you have enough money for a scope and silencer for your M4, this can make taking on those NPCs a lot easier, considering how much heavy armor and weapons they're carrying. I could take them out by surprise from the trees, relying on the silencer to never give away my exact position.