Crafting 'Boiled Water' normally requires 3 bottles of 'Dirty Water'; With this you'll be able to reclaim 2 random empty bottles after crafting 'Boiled Water' at the Cooking Station.
This updated perk will grant you +50 Damage Resist as long as you don't have any disease and addictions. Rewarding the hours you spent to take care of yourself with a more realistic incoming damage when hit by small damage weapons.
