It’s a tough opponent, and having good gear from exploring will definitely help you.
One of the primary ways to get new loot is by unlocking the locked chests scattered throughout the game.
The same holds true for the Smuggler’s Loot chest.
it’s possible for you to find this chest inthe Mire Marshes region.
Once you reach this area, you will see a camp calledMossy Watchtowerat the beginning of it.
From there,head to the right where you’ll notice a waterfall.
Make a jump to reach it, andbehind the water, you’ll finda hidden cave.
This makes a quicker path to reach the chest later.
Now, you need todescend from thereto get to the key.
After it falls,search the corpse for the key to the Smuggler’s Loot.
Here is how to unlock the Iris Constance’s Package locked chest in Banishers: Ghosts of New Eden.