Environmentally Unfriendly is an achievement in The Witcher 3: Wild Hunt and requires one to kill 50 opponents using the environment. This can be a time consuming quest though it'll generally be achieved if you try to do as many quests as possible.
- Typically, environment doesn't do a lot of damage, so try to whittle away opponent's health before using a trap, like igniting swamp gas or pushing them near bees.
- Make good use of explosive barrels.
- Use Aard on vulnerable monsters, like harpies and sirens, to get them to hit the ground and strike for an instant kill.
- Some have reported bugs regarding explosive barrels not counting, or arriving in certain areas where flying monsters are that instantly fall to the ground, dying, and getting this achievement.
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